[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2018-04-09 Thread Vineet Ghatge (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16430985#comment-16430985
 ] 

Vineet Ghatge commented on CASSANDRA-12728:
---

Sorry this was not the place where I intended to put this up

> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>  Components: Hints
>Reporter: Sharvanath Pathak
>Assignee: Garvit Juniwal
>Priority: Major
>  Labels: lhf
> Fix For: 3.0.14, 3.11.0, 4.0
>
> Attachments: CASSANDRA-12728.patch
>
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:220)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:199)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [na:1.8.0_77]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_77]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77]
> Caused by: java.io.EOFException: null
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:68)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:60)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.ChecksummedDataInput.readFully(ChecksummedDataInput.java:126)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:402) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.readBuffer(HintsReader.java:310)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNextInternal(HintsReader.java:301)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:278)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> ... 15 common frames omitted
> {noformat}
> We've found out that the hint file was truncated because there was a hard 
> reboot around the time of last write to the file. I think we basically need 
> to handle partially written hint files. Also, the CRC file does not exist in 
> this case (probably because it crashed while writing the hints file). May be 
> ignoring and cleaning up such partially written hint files can be a way to 
> fix this?



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[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2018-04-06 Thread Vineet Ghatge (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16429241#comment-16429241
 ] 

Vineet Ghatge commented on CASSANDRA-12728:
---

We are seeing this issue with 14 node cluster. We are currently on 3.11.1. Any 
ideas on what might be wrong?

ERROR [HintsDispatcher:1] 2018-04-06 16:26:44,423 CassandraDaemon.java:228 - 
Exception in thread Thread[HintsDispatcher:1,1,main]
org.apache.cassandra.io.FSReadError: java.io.IOException: Digest mismatch 
exception
 at 
org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:298)
 ~[apache-cassandra-3.11.1.jar:3.11.1-SNAPSHOT]
 at 
org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:263)
 ~[apache-cassandra-3.11.1.jar:3.11.1-SNAPSHOT]
 at 
org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
~[apache-cassandra-3.11.1.jar:3.11.1-SNAPSHOT]
 at 
org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:169) 
~[apache-cassandra-3.11.1.jar:3.11.1-SNAPSHOT]
 at 
org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:128)
 ~[apache-cassandra-3.11.1.jar:3.11.1-SNAPSHOT]
 at 
org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:113) 
~[apache-cassandra-3.11.1.jar:3.11.1-SNAPSHOT]
 at 
org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:94) 
~[apache-cassandra-3.11.1.jar:3.11.1-SNAPSHOT]
 at 
org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:278)
 ~[apache-cassandra-3.11.1.jar:3.11.1-SNAPSHOT]
 at 
org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:260)
 ~[apache-cassandra-3.11.1.jar:3.11.1-SNAPSHOT]
 at 
org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:238)
 ~[apache-cassandra-3.11.1.jar:3.11.1-SNAPSHOT]
 at 
org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:217)
 ~[apache-cassandra-3.11.1.jar:3.11.1-SNAPSHOT]
 at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
~[na:1.8.0_141]
 at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[na:1.8.0_141]
 at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
~[na:1.8.0_141]
 at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[na:1.8.0_141]
 at 
org.apache.cassandra.concurrent.NamedThreadFactory.lambda$threadLocalDeallocator$0(NamedThreadFactory.java:81)
 [apache-cassandra-3.11.1.jar:3.11.1-SNAPSHOT]
 at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_141]
Caused by: java.io.IOException: Digest mismatch exception

> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>  Components: Hints
>Reporter: Sharvanath Pathak
>Assignee: Garvit Juniwal
>Priority: Major
>  Labels: lhf
> Fix For: 3.0.14, 3.11.0, 4.0
>
> Attachments: CASSANDRA-12728.patch
>
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> 

[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2017-11-30 Thread Aleksandr Ivanov (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16272579#comment-16272579
 ] 

Aleksandr Ivanov commented on CASSANDRA-12728:
--

CASSANDRA-14080 created

> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>Reporter: Sharvanath Pathak
>Assignee: Garvit Juniwal
>  Labels: lhf
> Fix For: 3.0.14, 3.11.0, 4.0
>
> Attachments: CASSANDRA-12728.patch
>
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:220)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:199)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [na:1.8.0_77]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_77]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77]
> Caused by: java.io.EOFException: null
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:68)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:60)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.ChecksummedDataInput.readFully(ChecksummedDataInput.java:126)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:402) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.readBuffer(HintsReader.java:310)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNextInternal(HintsReader.java:301)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:278)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> ... 15 common frames omitted
> {noformat}
> We've found out that the hint file was truncated because there was a hard 
> reboot around the time of last write to the file. I think we basically need 
> to handle partially written hint files. Also, the CRC file does not exist in 
> this case (probably because it crashed while writing the hints file). May be 
> ignoring and cleaning up such partially written hint files can be a way to 
> fix this?



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[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2017-11-29 Thread Jeff Jirsa (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16271255#comment-16271255
 ] 

Jeff Jirsa commented on CASSANDRA-12728:


[~alekiv] can you open a new JIRA and link it back to this one? It's possible 
that the original patch didn't consider 0 byte files (I don't have time to go 
back and look at the commit, and it was long enough ago that I've forgotten) - 
were all of your files 0 bytes?





> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>Reporter: Sharvanath Pathak
>Assignee: Garvit Juniwal
>  Labels: lhf
> Fix For: 3.0.14, 3.11.0, 4.0
>
> Attachments: CASSANDRA-12728.patch
>
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:220)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:199)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [na:1.8.0_77]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_77]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77]
> Caused by: java.io.EOFException: null
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:68)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:60)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.ChecksummedDataInput.readFully(ChecksummedDataInput.java:126)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:402) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.readBuffer(HintsReader.java:310)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNextInternal(HintsReader.java:301)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:278)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> ... 15 common frames omitted
> {noformat}
> We've found out that the hint file was truncated because there was a hard 
> reboot around the time of last write to the file. I think we basically need 
> to handle partially written hint files. Also, the CRC file does not exist in 
> this case (probably because it crashed while writing the hints file). May be 
> ignoring and cleaning up such partially written hint files can be a way to 
> fix this?



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To 

[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2017-11-28 Thread Aleksandr Ivanov (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16269314#comment-16269314
 ] 

Aleksandr Ivanov commented on CASSANDRA-12728:
--

Seems it is not fully fixed. Met it in v3.0.14

INFO  [main] 2017-11-28 19:10:13,554 StorageService.java:575 - Cassandra 
version: 3.0.14
INFO  [main] 2017-11-28 19:10:13,555 StorageService.java:576 - Thrift API 
version: 20.1.0
INFO  [main] 2017-11-28 19:10:13,555 StorageService.java:577 - CQL supported 
versions: 3.4.0 (default: 3.4.0)
ERROR [main] 2017-11-28 19:10:13,592 CassandraDaemon.java:710 - Exception 
encountered during startup
org.apache.cassandra.io.FSReadError: java.io.EOFException
at 
org.apache.cassandra.hints.HintsDescriptor.readFromFile(HintsDescriptor.java:142)
 ~[apache-cassandra-3.0.14.jar:3.0.14]
at 
java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) 
~[na:1.8.0_141]
at 
java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175) 
~[na:1.8.0_141]
at java.util.Iterator.forEachRemaining(Iterator.java:116) 
~[na:1.8.0_141]
at 
java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
 ~[na:1.8.0_141]
at 
java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) 
~[na:1.8.0_141]
at 
java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) 
~[na:1.8.0_141]
at 
java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) 
~[na:1.8.0_141]
at 
java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) 
~[na:1.8.0_141]
at 
java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499) 
~[na:1.8.0_141]
at org.apache.cassandra.hints.HintsCatalog.load(HintsCatalog.java:65) 
~[apache-cassandra-3.0.14.jar:3.0.14]
at org.apache.cassandra.hints.HintsService.(HintsService.java:88) 
~[apache-cassandra-3.0.14.jar:3.0.14]
at 
org.apache.cassandra.hints.HintsService.(HintsService.java:63) 
~[apache-cassandra-3.0.14.jar:3.0.14]
at 
org.apache.cassandra.service.StorageProxy.(StorageProxy.java:121) 
~[apache-cassandra-3.0.14.jar:3.0.14]
at java.lang.Class.forName0(Native Method) ~[na:1.8.0_141]
at java.lang.Class.forName(Class.java:264) ~[na:1.8.0_141]
at 
org.apache.cassandra.service.StorageService.initServer(StorageService.java:585) 
~[apache-cassandra-3.0.14.jar:3.0.14]
at 
org.apache.cassandra.service.StorageService.initServer(StorageService.java:570) 
~[apache-cassandra-3.0.14.jar:3.0.14]
at 
org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:346) 
[apache-cassandra-3.0.14.jar:3.0.14]
at 
org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:569) 
[apache-cassandra-3.0.14.jar:3.0.14]
at 
org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:697) 
[apache-cassandra-3.0.14.jar:3.0.14]
Caused by: java.io.EOFException: null
at java.io.RandomAccessFile.readInt(RandomAccessFile.java:803) 
~[na:1.8.0_141]
at 
org.apache.cassandra.hints.HintsDescriptor.deserialize(HintsDescriptor.java:237)
 ~[apache-cassandra-3.0.14.jar:3.0.14]
at 
org.apache.cassandra.hints.HintsDescriptor.readFromFile(HintsDescriptor.java:138)
 ~[apache-cassandra-3.0.14.jar:3.0.14]
... 20 common frames omitted


After several 0 size hints files deletion Cassandra started successfully. 

> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>Reporter: Sharvanath Pathak
>Assignee: Garvit Juniwal
>  Labels: lhf
> Fix For: 3.0.14, 3.11.0, 4.0
>
> Attachments: CASSANDRA-12728.patch
>
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> 

[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2017-08-10 Thread Hansey Chen (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16121904#comment-16121904
 ] 

Hansey Chen commented on CASSANDRA-12728:
-

I was looking at this issue and could not understand one of the effects of this 
bug.

Garvit Juniwal mentioned in 
[one|https://issues.apache.org/jira/browse/CASSANDRA-12728?focusedCommentId=15576548=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15576548]
 of his comments that this bug will "put cassandra in a crash loop". Also 
Harikrishnan said in [a related 
issue|https://issues.apache.org/jira/browse/CASSANDRA-12844] that this bug 
crashed many nodes.

But I cannot figure out how an EOFE during hinted handoff can crash a cassandra 
node. Is it only crashing the hints dispatching thread? And how can it affect 
other nodes?

Could anyone please explain a little bit more? Many thanks in advance.

> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>Reporter: Sharvanath Pathak
>Assignee: Garvit Juniwal
>  Labels: lhf
> Fix For: 3.0.14, 3.11.0, 4.0
>
> Attachments: CASSANDRA-12728.patch
>
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:220)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:199)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [na:1.8.0_77]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_77]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77]
> Caused by: java.io.EOFException: null
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:68)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:60)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.ChecksummedDataInput.readFully(ChecksummedDataInput.java:126)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:402) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.readBuffer(HintsReader.java:310)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNextInternal(HintsReader.java:301)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:278)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> ... 15 common frames omitted
> {noformat}
> We've found out that the hint file was truncated because there was a hard 
> reboot 

[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2017-04-05 Thread Aleksey Yeschenko (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15956880#comment-15956880
 ] 

Aleksey Yeschenko commented on CASSANDRA-12728:
---

[~jjirsa] Looks good to me, though can you please extend the log message to 
include the name of the file that caused EOF? Thanks.

> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>Reporter: Sharvanath Pathak
>Assignee: Garvit Juniwal
>  Labels: lhf
> Attachments: CASSANDRA-12728.patch
>
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:220)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:199)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [na:1.8.0_77]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_77]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77]
> Caused by: java.io.EOFException: null
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:68)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:60)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.ChecksummedDataInput.readFully(ChecksummedDataInput.java:126)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:402) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.readBuffer(HintsReader.java:310)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNextInternal(HintsReader.java:301)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:278)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> ... 15 common frames omitted
> {noformat}
> We've found out that the hint file was truncated because there was a hard 
> reboot around the time of last write to the file. I think we basically need 
> to handle partially written hint files. Also, the CRC file does not exist in 
> this case (probably because it crashed while writing the hints file). May be 
> ignoring and cleaning up such partially written hint files can be a way to 
> fix this?



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[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2017-04-04 Thread Garvit Juniwal (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15955605#comment-15955605
 ] 

Garvit Juniwal commented on CASSANDRA-12728:


[~jjirsa] Thanks a lot. Just yesterday I was looking into getting my cassandra 
repo back and make/test the suggested changes but inertia kept me back. I am 
also not familiar with the commit process. Your help is really appreciated.

> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>Reporter: Sharvanath Pathak
>Assignee: Garvit Juniwal
>  Labels: lhf
> Attachments: CASSANDRA-12728.patch
>
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:220)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:199)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [na:1.8.0_77]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_77]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77]
> Caused by: java.io.EOFException: null
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:68)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:60)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.ChecksummedDataInput.readFully(ChecksummedDataInput.java:126)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:402) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.readBuffer(HintsReader.java:310)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNextInternal(HintsReader.java:301)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:278)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> ... 15 common frames omitted
> {noformat}
> We've found out that the hint file was truncated because there was a hard 
> reboot around the time of last write to the file. I think we basically need 
> to handle partially written hint files. Also, the CRC file does not exist in 
> this case (probably because it crashed while writing the hints file). May be 
> ignoring and cleaning up such partially written hint files can be a way to 
> fix this?



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[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2017-04-04 Thread Jeff Jirsa (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15955588#comment-15955588
 ] 

Jeff Jirsa commented on CASSANDRA-12728:


Given the delay on reviewing the patch (uploaded in October), I've gone ahead 
and made the tweaks suggested by Aleksey (at least the code changes, I'll add 
the NEWS entry on final commit) and kicked off CI. I'll keep the assignee and 
author on the commit as {{Garvit Juniwal}} to recognize his work/contribution.

Will provide CI links upon completion.




> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>Reporter: Sharvanath Pathak
>Assignee: Garvit Juniwal
>  Labels: lhf
> Attachments: CASSANDRA-12728.patch
>
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:220)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:199)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [na:1.8.0_77]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_77]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77]
> Caused by: java.io.EOFException: null
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:68)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:60)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.ChecksummedDataInput.readFully(ChecksummedDataInput.java:126)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:402) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.readBuffer(HintsReader.java:310)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNextInternal(HintsReader.java:301)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:278)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> ... 15 common frames omitted
> {noformat}
> We've found out that the hint file was truncated because there was a hard 
> reboot around the time of last write to the file. I think we basically need 
> to handle partially written hint files. Also, the CRC file does not exist in 
> this case (probably because it crashed while writing the hints file). May be 
> ignoring and cleaning up such partially written hint files can be a way to 
> fix this?



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[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2017-03-28 Thread Jeff Jirsa (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15946034#comment-15946034
 ] 

Jeff Jirsa commented on CASSANDRA-12728:


Seems like a bug fix to me, would hope for 3.0 and newer personally.





> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>Reporter: Sharvanath Pathak
>Assignee: Garvit Juniwal
>  Labels: lhf
> Attachments: CASSANDRA-12728.patch
>
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:220)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:199)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [na:1.8.0_77]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_77]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77]
> Caused by: java.io.EOFException: null
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:68)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:60)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.ChecksummedDataInput.readFully(ChecksummedDataInput.java:126)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:402) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.readBuffer(HintsReader.java:310)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNextInternal(HintsReader.java:301)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:278)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> ... 15 common frames omitted
> {noformat}
> We've found out that the hint file was truncated because there was a hard 
> reboot around the time of last write to the file. I think we basically need 
> to handle partially written hint files. Also, the CRC file does not exist in 
> this case (probably because it crashed while writing the hints file). May be 
> ignoring and cleaning up such partially written hint files can be a way to 
> fix this?



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[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2017-03-28 Thread Aleksey Yeschenko (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15946027#comment-15946027
 ] 

Aleksey Yeschenko commented on CASSANDRA-12728:
---

You are correct - when replaying the commitlog we do tolerate EOF in the last 
segment.

I'm fine with doing this for hints, just for EOF. However, please also:
1. Fix you indentation to match C* code style (brackets on new lines)
2. Add some logging. Aborting replay silently is not what we want.
3. Update NEWS.txt to document the change.

I'm also not quite sure which version of C* this should go to, if we are going 
to quietly change the default behaviour like this. [~jjirsa]?

> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>Reporter: Sharvanath Pathak
>Assignee: Garvit Juniwal
>  Labels: lhf
> Attachments: CASSANDRA-12728.patch
>
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:220)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:199)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [na:1.8.0_77]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_77]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77]
> Caused by: java.io.EOFException: null
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:68)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:60)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.ChecksummedDataInput.readFully(ChecksummedDataInput.java:126)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:402) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.readBuffer(HintsReader.java:310)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNextInternal(HintsReader.java:301)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:278)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> ... 15 common frames omitted
> {noformat}
> We've found out that the hint file was truncated because there was a hard 
> reboot around the time of last write to the file. I think we basically need 
> to handle partially written hint files. Also, the CRC file does not exist in 
> this case (probably because it crashed while writing the hints file). May be 
> ignoring and cleaning up such partially written hint 

[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2017-03-23 Thread Garvit Juniwal (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15938918#comment-15938918
 ] 

Garvit Juniwal commented on CASSANDRA-12728:


[~jjirsa] In my patch, the only exception that is ignored is EOF error. So 
there is no possibility of missing more hints by ignoring this error. From my 
cursory reading of 
https://github.com/apache/cassandra/blob/cassandra-3.9/src/java/org/apache/cassandra/db/commitlog/CommitLogReplayer.java#L390-L413,
 seems like we are ignoring errors due to incomplete flushes (quoting: 
"Ignoring commit log replay error likely due to incomplete flush to disk") 
without caring about any operator policy, which is the right thing to do IMO 
and that is what I am trying to achieve in the patch as well. Lmk if I have 
misunderstood something.

> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>Reporter: Sharvanath Pathak
>  Labels: lhf
> Attachments: CASSANDRA-12728.patch
>
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:220)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:199)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [na:1.8.0_77]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_77]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77]
> Caused by: java.io.EOFException: null
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:68)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:60)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.ChecksummedDataInput.readFully(ChecksummedDataInput.java:126)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:402) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.readBuffer(HintsReader.java:310)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNextInternal(HintsReader.java:301)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:278)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> ... 15 common frames omitted
> {noformat}
> We've found out that the hint file was truncated because there was a hard 
> reboot around the time of last write to the file. I think we basically need 
> to handle partially written hint files. Also, the CRC file does not exist in 
> this case (probably because 

[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2017-03-22 Thread Jeff Jirsa (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15937540#comment-15937540
 ] 

Jeff Jirsa commented on CASSANDRA-12728:


It is true, however, that there are [other 
places|https://github.com/apache/cassandra/blob/cassandra-3.9/src/java/org/apache/cassandra/hints/HintsReader.java#L239-L246]
 where we clearly log+skip potentially corrupt data, and hints ARE best effort 
(but that doesn't mean they're so worthless that we want to throw them away, 
and more importantly, we really need to be careful anytime we see any kind of 
corruption).

Also worth noting that we're failing to calculate the next page, so we don't 
know if it's the last hint, or potentially many many hints. Further, we don't 
know if it's corrupt because we shut down uncleanly, or if it's corrupt because 
the disk is failing and giving us invalid blocks.

If you follow [~iamaleksey] 's suggestion, though, and make hints inspect 
errors in the same way the commitlog inspects errors (see 
https://github.com/apache/cassandra/blob/cassandra-3.9/src/java/org/apache/cassandra/db/commitlog/CommitLog.java#L480-L498
 and/or 
https://github.com/apache/cassandra/blob/cassandra-3.9/src/java/org/apache/cassandra/db/commitlog/CommitLogReplayer.java#L390-L413)
 , we can let the user decide how paranoid they want to be. 

> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>Reporter: Sharvanath Pathak
>  Labels: lhf
> Attachments: CASSANDRA-12728.patch
>
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:220)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:199)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [na:1.8.0_77]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_77]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77]
> Caused by: java.io.EOFException: null
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:68)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:60)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.ChecksummedDataInput.readFully(ChecksummedDataInput.java:126)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:402) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.readBuffer(HintsReader.java:310)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> 

[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2017-03-22 Thread Jeff Jirsa (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15937488#comment-15937488
 ] 

Jeff Jirsa commented on CASSANDRA-12728:


Ignore my previous (now deleted) comment - I hadn't seen your response.  I 
haven't yet read the code, so I'm not the best person to answer that. 



> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>Reporter: Sharvanath Pathak
>  Labels: lhf
> Attachments: CASSANDRA-12728.patch
>
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:220)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:199)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [na:1.8.0_77]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_77]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77]
> Caused by: java.io.EOFException: null
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:68)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:60)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.ChecksummedDataInput.readFully(ChecksummedDataInput.java:126)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:402) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.readBuffer(HintsReader.java:310)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNextInternal(HintsReader.java:301)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:278)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> ... 15 common frames omitted
> {noformat}
> We've found out that the hint file was truncated because there was a hard 
> reboot around the time of last write to the file. I think we basically need 
> to handle partially written hint files. Also, the CRC file does not exist in 
> this case (probably because it crashed while writing the hints file). May be 
> ignoring and cleaning up such partially written hint files can be a way to 
> fix this?



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[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2017-03-22 Thread Jeff Jirsa (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15937484#comment-15937484
 ] 

Jeff Jirsa commented on CASSANDRA-12728:


[~garvitjuniwal] , unless you very much want to do this in the near future, 
I'll be starting this tomorrow. 

> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>Reporter: Sharvanath Pathak
>  Labels: lhf
> Attachments: CASSANDRA-12728.patch
>
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:220)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:199)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [na:1.8.0_77]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_77]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77]
> Caused by: java.io.EOFException: null
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:68)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:60)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.ChecksummedDataInput.readFully(ChecksummedDataInput.java:126)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:402) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.readBuffer(HintsReader.java:310)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNextInternal(HintsReader.java:301)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:278)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> ... 15 common frames omitted
> {noformat}
> We've found out that the hint file was truncated because there was a hard 
> reboot around the time of last write to the file. I think we basically need 
> to handle partially written hint files. Also, the CRC file does not exist in 
> this case (probably because it crashed while writing the hints file). May be 
> ignoring and cleaning up such partially written hint files can be a way to 
> fix this?



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This message was sent by Atlassian JIRA
(v6.3.15#6346)


[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2017-03-22 Thread Garvit Juniwal (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15937459#comment-15937459
 ] 

Garvit Juniwal commented on CASSANDRA-12728:


[~jjirsa]
Assuming that writes are only acknowledged to client after hints are "synced" 
to disk, I believe that patch I have is correct because you can safely ignore 
any partially flushed hint at the end of file that was not synced.
If hints are written lazily (i.e., writes are acknowledged even before syncing 
hints to disk,) it is implicit that Cassandra is resilient to loosing hints in 
face of crashes. Even in this scenario, dropping the last partially written 
hint is correct.

I do not understand the suggestion of making this an operator decision. There 
could be hints that did not make it to disk in the of face of crashes, and I do 
not know how you would detect them and force a crash.

> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>Reporter: Sharvanath Pathak
>  Labels: lhf
> Attachments: CASSANDRA-12728.patch
>
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:220)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:199)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [na:1.8.0_77]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_77]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77]
> Caused by: java.io.EOFException: null
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:68)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:60)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.ChecksummedDataInput.readFully(ChecksummedDataInput.java:126)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:402) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.readBuffer(HintsReader.java:310)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNextInternal(HintsReader.java:301)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:278)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> ... 15 common frames omitted
> {noformat}
> We've found out that the hint file was truncated because there was a hard 
> reboot around the time of last write to the file. I think we basically need 
> to handle partially written hint files. 

[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2017-03-19 Thread Jeff Jirsa (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15931607#comment-15931607
 ] 

Jeff Jirsa commented on CASSANDRA-12728:


[~garvitjuniwal] - are you still interested in working on this?



> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>Reporter: Sharvanath Pathak
>  Labels: lhf
> Attachments: CASSANDRA-12728.patch
>
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:220)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:199)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [na:1.8.0_77]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_77]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77]
> Caused by: java.io.EOFException: null
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:68)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:60)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.ChecksummedDataInput.readFully(ChecksummedDataInput.java:126)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:402) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.readBuffer(HintsReader.java:310)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNextInternal(HintsReader.java:301)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:278)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> ... 15 common frames omitted
> {noformat}
> We've found out that the hint file was truncated because there was a hard 
> reboot around the time of last write to the file. I think we basically need 
> to handle partially written hint files. Also, the CRC file does not exist in 
> this case (probably because it crashed while writing the hints file). May be 
> ignoring and cleaning up such partially written hint files can be a way to 
> fix this?



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This message was sent by Atlassian JIRA
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[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2016-11-30 Thread Benjamin Roth (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15709858#comment-15709858
 ] 

Benjamin Roth commented on CASSANDRA-12728:
---

+1

Let the operator decide if he prefers a crash or inconsistency. When not 
crashing it should be logged as error, so you can check error logs and instead 
of having to recover from a crash, you could start a repair if desired. The 
only recovery action one can take is to repair anyway. The only question is how 
to fail and how to get notified.
If the node crashes and the operator recognizes too late, situation may become 
even worse when hints expire.

> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>Reporter: Sharvanath Pathak
>Assignee: Aleksey Yeschenko
>  Labels: lhf
> Attachments: CASSANDRA-12728.patch
>
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:220)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:199)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [na:1.8.0_77]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_77]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77]
> Caused by: java.io.EOFException: null
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:68)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:60)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.ChecksummedDataInput.readFully(ChecksummedDataInput.java:126)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:402) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.readBuffer(HintsReader.java:310)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNextInternal(HintsReader.java:301)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:278)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> ... 15 common frames omitted
> {noformat}
> We've found out that the hint file was truncated because there was a hard 
> reboot around the time of last write to the file. I think we basically need 
> to handle partially written hint files. Also, the CRC file does not exist in 
> this case (probably because it crashed while writing the hints file). May be 
> ignoring and cleaning up such partially written hint files can be a way to 
> fix 

[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2016-10-27 Thread Aleksey Yeschenko (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15612056#comment-15612056
 ] 

Aleksey Yeschenko commented on CASSANDRA-12728:
---

Could be that a configurable failure policy akin to those we have for commit 
log might be the best way to go.

> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>Reporter: Sharvanath Pathak
>Assignee: Aleksey Yeschenko
>  Labels: lhf
> Attachments: CASSANDRA-12728.patch
>
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:220)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:199)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [na:1.8.0_77]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_77]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77]
> Caused by: java.io.EOFException: null
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:68)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:60)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.ChecksummedDataInput.readFully(ChecksummedDataInput.java:126)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:402) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.readBuffer(HintsReader.java:310)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNextInternal(HintsReader.java:301)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:278)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> ... 15 common frames omitted
> {noformat}
> We've found out that the hint file was truncated because there was a hard 
> reboot around the time of last write to the file. I think we basically need 
> to handle partially written hint files. Also, the CRC file does not exist in 
> this case (probably because it crashed while writing the hints file). May be 
> ignoring and cleaning up such partially written hint files can be a way to 
> fix this?



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)


[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2016-10-27 Thread Nate McCall (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15610825#comment-15610825
 ] 

Nate McCall commented on CASSANDRA-12728:
-

[~garvitjuniwal] Thank you for the patch, but we should not swallow the 
exception and continue. Doing so would not inform the operator that they are 
potentially missing data. 

Further, I'm not sure we *want* to continue in this case and it looks to me 
that HintsDispatchExecutor is doing the right thing. In other words, I would 
prefer we error out and let the operator make the decision about wether they 
should delete the specific file and then try again. 

That said, it looks like we do have an issue with the log message:
{noformat}
HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
49c3290a-fafd-456c-966e-8bcd1eab9af8-1477371781565-1.hints: file is corrupted 
({})
{noformat}

The second log parameter which should be the file path is not filled in because 
the wrong logger invocation is used. A patch for that would be awesome!

> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>Reporter: Sharvanath Pathak
>Assignee: Aleksey Yeschenko
>  Labels: lhf
> Attachments: CASSANDRA-12728.patch
>
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:220)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:199)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [na:1.8.0_77]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_77]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77]
> Caused by: java.io.EOFException: null
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:68)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:60)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.ChecksummedDataInput.readFully(ChecksummedDataInput.java:126)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:402) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.readBuffer(HintsReader.java:310)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNextInternal(HintsReader.java:301)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:278)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> ... 15 common frames omitted
> {noformat}
> We've 

[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2016-10-24 Thread Harikrishnan (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15604272#comment-15604272
 ] 

Harikrishnan commented on CASSANDRA-12728:
--

Reproduced the same error in 3.9 also.Run nodetool drain in one node , 3 nodes 
went down with this error.

ERROR [HintsDispatcher:2] 2016-10-25 05:08:00,157 
HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
49c3290a-fafd-456c-966e-8bcd1eab9af8-1477371781565-1.hints: file is corrupted 
({})
org.apache.cassandra.io.FSReadError: java.io.EOFException
at 
org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:284)
 ~[apache-cassandra-3.9.jar:3.9]
at 
org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:254)
 ~[apache-cassandra-3.9.jar:3.9]
at 
org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
~[apache-cassandra-3.9.jar:3.9]
at 
org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156) 
~[apache-cassandra-3.9.jar:3.9]
at 
org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
 ~[apache-cassandra-3.9.jar:3.9]
at 
org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
~[apache-cassandra-3.9.jar:3.9]
at 
org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
~[apache-cassandra-3.9.jar:3.9]
at 
org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259)
 [apache-cassandra-3.9.jar:3.9]
at 
org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242)
 [apache-cassandra-3.9.jar:3.9]
at 
org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:220)
 [apache-cassandra-3.9.jar:3.9]
at 
org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:199)
 [apache-cassandra-3.9.jar:3.9]
at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
[na:1.8.0_102]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
[na:1.8.0_102]
at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
[na:1.8.0_102]
at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
[na:1.8.0_102]
at java.lang.Thread.run(Thread.java:745) [na:1.8.0_102]
Caused by: java.io.EOFException: null
at 
org.apache.cassandra.io.util.RebufferingInputStream.readByte(RebufferingInputStream.java:146)
 ~[apache-cassandra-3.9.jar:3.9]
at 
org.apache.cassandra.io.util.RebufferingInputStream.readPrimitiveSlowly(RebufferingInputStream.java:108)
 ~[apache-cassandra-3.9.jar:3.9]
at 
org.apache.cassandra.io.util.RebufferingInputStream.readInt(RebufferingInputStream.java:188)
 ~[apache-cassandra-3.9.jar:3.9]
at 
org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNextInternal(HintsReader.java:297)
 ~[apache-cassandra-3.9.jar:3.9]
at 
org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:280)
 ~[apache-cassandra-3.9.jar:3.9]
... 15 common frames omitted

> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>Reporter: Sharvanath Pathak
>Assignee: Aleksey Yeschenko
> Attachments: CASSANDRA-12728.patch
>
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> 

[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2016-10-14 Thread Garvit Juniwal (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15576548#comment-15576548
 ] 

Garvit Juniwal commented on CASSANDRA-12728:


[~iamaleksey] Can you please take a look at the patch? Is that the correct fix? 
Here is my commit summary:

If a hints file gets truncated due to a crash, the last hint might have
been written incompletely. Presence of a corrupted hints file can put
cassandra in a crash loop trying o read a corrupted hint over and over.
Ignore and discard the last incomplete hint instead of throwing a
FSReadError exception.

> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>Reporter: Sharvanath Pathak
>Assignee: Aleksey Yeschenko
> Attachments: CASSANDRA-12728.patch
>
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:220)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:199)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [na:1.8.0_77]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_77]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77]
> Caused by: java.io.EOFException: null
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:68)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:60)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.ChecksummedDataInput.readFully(ChecksummedDataInput.java:126)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:402) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.readBuffer(HintsReader.java:310)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNextInternal(HintsReader.java:301)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:278)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> ... 15 common frames omitted
> {noformat}
> We've found out that the hint file was truncated because there was a hard 
> reboot around the time of last write to the file. I think we basically need 
> to handle partially written hint files. Also, the CRC file does not exist in 
> this case (probably because it crashed while writing the hints file). May be 
> ignoring and cleaning up such partially written hint files can be a way to 
> fix this?



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[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2016-09-29 Thread Sharvanath Pathak (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15532285#comment-15532285
 ] 

Sharvanath Pathak commented on CASSANDRA-12728:
---

yeah

> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>Reporter: Sharvanath Pathak
>Assignee: Aleksey Yeschenko
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:220)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:199)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [na:1.8.0_77]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_77]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77]
> Caused by: java.io.EOFException: null
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:68)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:60)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.ChecksummedDataInput.readFully(ChecksummedDataInput.java:126)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:402) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.readBuffer(HintsReader.java:310)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNextInternal(HintsReader.java:301)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:278)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> ... 15 common frames omitted
> {noformat}
> We've found out that the hint file was truncated because there was a hard 
> reboot around the time of last write to the file. I think we basically need 
> to handle partially written hint files. Also, the CRC file does not exist in 
> this case (probably because it crashed while writing the hints file). May be 
> ignoring and cleaning up such partially written hint files can be a way to 
> fix this?



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[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2016-09-29 Thread Aleksey Yeschenko (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15532281#comment-15532281
 ] 

Aleksey Yeschenko commented on CASSANDRA-12728:
---

This is without compression enabled?

> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>Reporter: Sharvanath Pathak
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:220)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:199)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [na:1.8.0_77]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_77]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77]
> Caused by: java.io.EOFException: null
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:68)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:60)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.ChecksummedDataInput.readFully(ChecksummedDataInput.java:126)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:402) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.readBuffer(HintsReader.java:310)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNextInternal(HintsReader.java:301)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:278)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> ... 15 common frames omitted
> {noformat}
> We've found out that the hint file was truncated because there was a hard 
> reboot around the time of last write to the file. I think we basically need 
> to handle partially written hint files. Also, the CRC file does not exist in 
> this case (probably because it crashed while writing the hints file). May be 
> ignoring and cleaning up such partially written hint files can be a way to 
> fix this?



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[jira] [Commented] (CASSANDRA-12728) Handling partially written hint files

2016-09-28 Thread Sharvanath Pathak (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15531256#comment-15531256
 ] 

Sharvanath Pathak commented on CASSANDRA-12728:
---

[~iamaleksey] Can you take a look?

> Handling partially written hint files
> -
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
>  Issue Type: Bug
>Reporter: Sharvanath Pathak
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 
> HintsDispatchExecutor.java:225 - Failed to dispatch hints file 
> d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted 
> ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:220)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:199)
>  [apache-cassandra-3.0.6.jar:3.0.6]
> at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [na:1.8.0_77]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [na:1.8.0_77]
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_77]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77]
> Caused by: java.io.EOFException: null
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:68)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:60)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.ChecksummedDataInput.readFully(ChecksummedDataInput.java:126)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:402) 
> ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.readBuffer(HintsReader.java:310)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNextInternal(HintsReader.java:301)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> at 
> org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:278)
>  ~[apache-cassandra-3.0.6.jar:3.0.6]
> ... 15 common frames omitted
> {noformat}
> We've found out that the hint file was truncated because there was a hard 
> reboot around the time of last write to the file. I think we basically need 
> to handle partially written hint files. Also, the CRC file does not exist in 
> this case (probably because it crashed while writing the hints file). May be 
> ignoring and cleaning up such partially written hint files can be a way to 
> fix this?



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