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[jira] [Commented] (CASSANDRA-4775) Counters 2.0
[ https://issues.apache.org/jira/browse/CASSANDRA-4775?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13613693#comment-13613693 ] Sylvain Lebresne commented on CASSANDRA-4775: - For the record, I'd like to quickly sum up what are the problems of the counters 1.0, and more precisely what I think are problems inherent to the design, and what I believe might be fixable with some effort. The current counter implementation is based on the idea of internally keeping one separated sub-counter (or shard) for each replica of the counter, and making sure that for each increment, one shard and only one is ever incremented. The latter is ensure by the special write path of counters that: * pick a live replica and forward it the increment * have that replica increment it's own shard locally * then have the replica send the *result* of this local shard increment to the other replicas This mechanism have (at least) the following problems: # counters cannot be retried safely on timeout. # removing counters works only halfway. If you re-increment a deleted counter too soon, the result is somewhat random. Those problems are largely due to the general mechanism used, not to implementation details. That being said, on the retry problem, I'll note that while I don't think we can fix it in the current mechanism, tickets like CASSANDRA-3199 could mitigate it somewhat by making TimeoutException less likely. Other problems are more due to how the implementation works. More precisely, they are due to how a replica proceed to incrementing it's own shard. To do that, the implementation uses separated merging rules for local shards and remote ones. Namely, local shards are summed during merge (so the sub-count they contain is used as a delta) while for remote ones, the biggest value is kept (where biggest means the one with the biggest clock). So for remote shards, conflicts are handled as latests wins as usual. The reason for that difference between local and remote shards is a performance one: when a replica needs to increment his shard, it needs to do that atomically. So if local shard were handled like remote ones, then to increment the local shard we would need to 1) grab a lock, 2) read the current value, 3) increment it, 4) write it and then 5) release the lock. Instead, in the current implementation, the replica just insert an increment to his own shard. And to find the total value of its local shard, it just read and increments get merged on reads. In practice, what we win is that we don't have to grab a lock. However, I believe that implementation detail is responsible for a fair amount of the pain counters are. In particular it complicates the implementation substantially because: * a local shard on one replica is a remote shard on another replica. We handle this by transforming shards during deserialization, which is complex and fragile. It's also the source of CASSANDRA-4071 (and at least one contributor to CASSANDRA-4417). * we have to be extremely careful not to duplicate a local shard internally or we'll over-count. The storage engine having been initially designed with the idea that using the same column twice was harmless, this has led to a number of bugs. We could change that implementation detail. Instead we could stop distinguishing the merge rules for local shard, and when a replica need to increment his hard, he would read/increment/write while holding a lock to ensure atomicity. This would likely simplify the implementation and fix CASSANDRA-4071 and CASSANDRA-4417. Of course, this would still not fix the other top-level problems (not being able to replay, broken remove, ). Counters 2.0 Key: CASSANDRA-4775 URL: https://issues.apache.org/jira/browse/CASSANDRA-4775 Project: Cassandra Issue Type: New Feature Components: Core Reporter: Arya Goudarzi Labels: counters Fix For: 2.0 The existing partitioned counters remain a source of frustration for most users almost two years after being introduced. The remaining problems are inherent in the design, not something that can be fixed given enough time/eyeballs. Ideally a solution would give us - similar performance - less special cases in the code - potential for a retry mechanism -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Commented] (CASSANDRA-5296) NPE on /init.d/cassandra start
[
https://issues.apache.org/jira/browse/CASSANDRA-5296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13613695#comment-13613695
]
Pavel Trukhanov commented on CASSANDRA-5296:
Right, i got it. No, i cant reproduce it, because i have only production
installation at the moment.
We really understood cause of problem: it was because we started one of nodes
from trunk build, while others was 1.2.1
We fixed all in prod by full restore from backup on newly installed servers.
I think one can close this as wont fix or something like that.
NPE on /init.d/cassandra start
--
Key: CASSANDRA-5296
URL: https://issues.apache.org/jira/browse/CASSANDRA-5296
Project: Cassandra
Issue Type: Bug
Affects Versions: 1.2.1
Environment: Linux srv1 3.2.0-27-generic #43-Ubuntu SMP Fri Jul 6
14:25:57 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
Reporter: Pavel Trukhanov
{code}
== /var/log/cassandra/output.log ==
INFO 18:05:18,466 Logging initialized
INFO 18:05:18,477 JVM vendor/version: Java HotSpot(TM) 64-Bit Server
VM/1.6.0_32
INFO 18:05:18,478 Heap size: 6358564864/6358564864
INFO 18:05:18,478 Classpath:
/usr/share/java/mx4j-tools.jar:/usr/share/cassandra/lib/antlr-3.2.jar:/usr/share/cassandra/lib/avro-1.4.0-fixes.jar:/usr/share/cassandra/lib/avro-1.4.0-sources-fixes.jar:/usr/share/cassandra/lib/commons-cli-1.1.jar:/usr/share/cassandra/lib/commons-codec-1.2.jar:/usr/share/cassandra/lib/commons-lang-2.6.jar:/usr/share/cassandra/lib/compress-lzf-0.8.4.jar:/usr/share/cassandra/lib/concurrentlinkedhashmap-lru-1.3.jar:/usr/share/cassandra/lib/guava-13.0.1.jar:/usr/share/cassandra/lib/high-scale-lib-1.1.2.jar:/usr/share/cassandra/lib/jackson-core-asl-1.9.2.jar:/usr/share/cassandra/lib/jackson-mapper-asl-1.9.2.jar:/usr/share/cassandra/lib/jamm-0.2.5.jar:/usr/share/cassandra/lib/jline-1.0.jar:/usr/share/cassandra/lib/json-simple-1.1.jar:/usr/share/cassandra/lib/libthrift-0.7.0.jar:/usr/share/cassandra/lib/log4j-1.2.16.jar:/usr/share/cassandra/lib/metrics-core-2.0.3.jar:/usr/share/cassandra/lib/netty-3.5.9.Final.jar:/usr/share/cassandra/lib/servlet-api-2.5-20081211.jar:/usr/share/cassandra/lib/slf4j-api-1.7.2.jar:/usr/share/cassandra/lib/slf4j-log4j12-1.7.2.jar:/usr/share/cassandra/lib/snakeyaml-1.6.jar:/usr/share/cassandra/lib/snappy-java-1.0.4.1.jar:/usr/share/cassandra/lib/snaptree-0.1.jar:/usr/share/cassandra/apache-cassandra-1.2.1.jar:/usr/share/cassandra/apache-cassandra-thrift-1.2.1.jar:/usr/share/cassandra/apache-cassandra.jar:/usr/share/cassandra/stress.jar:/usr/share/java/jna.jar:/etc/cassandra:/usr/share/java/commons-daemon.jar:/usr/share/cassandra/lib/jamm-0.2.5.jar
INFO 18:05:20,021 JNA mlockall successful
INFO 18:05:20,042 Loading settings from file:/etc/cassandra/cassandra.yaml
INFO 18:05:20,352 DiskAccessMode 'auto' determined to be mmap,
indexAccessMode is mmap
INFO 18:05:20,352 disk_failure_policy is stop
INFO 18:05:20,368 Global memtable threshold is enabled at 2048MB
INFO 18:05:21,401 Initializing key cache with capacity of 100 MBs.
INFO 18:05:21,417 Scheduling key cache save to each 14400 seconds (going to
save all keys).
INFO 18:05:21,417 Initializing row cache with capacity of 0 MBs and provider
org.apache.cassandra.cache.SerializingCacheProvider
INFO 18:05:21,420 Scheduling row cache save to each 0 seconds (going to save
all keys).
INFO 18:05:21,640 Opening
/var/lib/cassandra/data/system/schema_keyspaces/system-schema_keyspaces-ib-3
(191 bytes)
INFO 18:05:22,185 Opening
/var/lib/cassandra/data/system/schema_columnfamilies/system-schema_columnfamilies-ib-3
(2674 bytes)
INFO 18:05:22,214 Opening
/var/lib/cassandra/data/system/schema_columns/system-schema_columns-ib-3 (437
bytes)
INFO 18:05:22,240 Opening
/var/lib/cassandra/data/system/peers/system-peers-ib-3 (150 bytes)
INFO 18:05:22,240 Opening
/var/lib/cassandra/data/system/peers/system-peers-ib-2 (300 bytes)
INFO 18:05:22,240 Opening
/var/lib/cassandra/data/system/peers/system-peers-ib-1 (193 bytes)
INFO 18:05:22,395 Opening
/var/lib/cassandra/data/system/local/system-local-ib-2 (120 bytes)
INFO 18:05:22,395 Opening
/var/lib/cassandra/data/system/local/system-local-ib-7 (84 bytes)
INFO 18:05:22,396 Opening
/var/lib/cassandra/data/system/local/system-local-ib-8 (535 bytes)
INFO 18:05:22,396 Opening
/var/lib/cassandra/data/system/local/system-local-ib-4 (146 bytes)
INFO 18:05:22,395 Opening
/var/lib/cassandra/data/system/local/system-local-ib-3 (90 bytes)
INFO 18:05:22,395 Opening
/var/lib/cassandra/data/system/local/system-local-ib-6 (97 bytes)
INFO 18:05:22,396 Opening
/var/lib/cassandra/data/system/local/system-local-ib-1 (351 bytes)
INFO 18:05:22,396 Opening
/var/lib/cassandra/data/system/local/system-local-ib-5 (97 bytes)
[Cassandra Wiki] Trivial Update of FloydNune by FloydNune
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[jira] [Commented] (CASSANDRA-5382) ConcurrentModificantionException on server when multiple CQL3 read requests received on single column family simultaneously.
[ https://issues.apache.org/jira/browse/CASSANDRA-5382?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13613700#comment-13613700 ] Sylvain Lebresne commented on CASSANDRA-5382: - Have you identified which queries have triggered this exactly? Is it possible some SELECT count(*) ... is involved? ConcurrentModificantionException on server when multiple CQL3 read requests received on single column family simultaneously. Key: CASSANDRA-5382 URL: https://issues.apache.org/jira/browse/CASSANDRA-5382 Project: Cassandra Issue Type: Bug Affects Versions: 1.2.3 Environment: SLES, Sun JDK 1.6.0_43 Reporter: Jason Reber Priority: Minor The exception below is thrown on the server when two reads are performed at the exact same time on the same column family. This causes the query to fail. The problem appears to be caused by the 'name' list in org.apache.cassandra.cql3.ResultSet$Metadata. The reference is passed in to the constructor and iterated without copying and without a synch block. When two of these ResultSet instances are created from the same metadata list at the same time, a ConcurrentModificationException is thrown. The error: ERROR [Thrift:860] 2013-03-25 09:27:39,467 CustomTThreadPoolServer.java (line 217) Error occurred during processing of message. java.util.ConcurrentModificationException at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372) at java.util.AbstractList$Itr.next(AbstractList.java:343) at org.apache.cassandra.cql3.ResultSet$Metadata.allInSameCF(ResultSet.java:237) at org.apache.cassandra.cql3.ResultSet$Metadata.init(ResultSet.java:219) at org.apache.cassandra.cql3.ResultSet.init(ResultSet.java:47) at org.apache.cassandra.cql3.statements.Selection$ResultSetBuilder.init(Selection.java:239) at org.apache.cassandra.cql3.statements.Selection$ResultSetBuilder.init(Selection.java:221) at org.apache.cassandra.cql3.statements.Selection.resultSetBuilder(Selection.java:211) at org.apache.cassandra.cql3.statements.SelectStatement.process(SelectStatement.java:655) at org.apache.cassandra.cql3.statements.SelectStatement.processResults(SelectStatement.java:147) at org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:136) at org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:62) at org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:132) at org.apache.cassandra.cql3.QueryProcessor.processPrepared(QueryProcessor.java:254) at org.apache.cassandra.thrift.CassandraServer.execute_prepared_cql3_query(CassandraServer.java:1851) at org.apache.cassandra.thrift.Cassandra$Processor$execute_prepared_cql3_query.getResult(Cassandra.java:4166) at org.apache.cassandra.thrift.Cassandra$Processor$execute_prepared_cql3_query.getResult(Cassandra.java:4154) at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:32) at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:34) at org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:199) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) at java.lang.Thread.run(Thread.java:662) -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[Cassandra Wiki] Trivial Update of FFUKent by FFUKent
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[jira] [Updated] (CASSANDRA-5382) ConcurrentModificantionException on server when multiple CQL3 read requests received on single column family simultaneously.
[ https://issues.apache.org/jira/browse/CASSANDRA-5382?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Sylvain Lebresne updated CASSANDRA-5382: Attachment: 0001-Copy-ResultSet-in-makeCountResult.txt From a quick check the only place I see the metadata list being modified after Metadata creation is in makeCountResult. Even if I've missed another spot, not copying in makeCountResult was bad so attaching a simple patch to fix that. ConcurrentModificantionException on server when multiple CQL3 read requests received on single column family simultaneously. Key: CASSANDRA-5382 URL: https://issues.apache.org/jira/browse/CASSANDRA-5382 Project: Cassandra Issue Type: Bug Affects Versions: 1.2.3 Environment: SLES, Sun JDK 1.6.0_43 Reporter: Jason Reber Priority: Minor Attachments: 0001-Copy-ResultSet-in-makeCountResult.txt The exception below is thrown on the server when two reads are performed at the exact same time on the same column family. This causes the query to fail. The problem appears to be caused by the 'name' list in org.apache.cassandra.cql3.ResultSet$Metadata. The reference is passed in to the constructor and iterated without copying and without a synch block. When two of these ResultSet instances are created from the same metadata list at the same time, a ConcurrentModificationException is thrown. The error: ERROR [Thrift:860] 2013-03-25 09:27:39,467 CustomTThreadPoolServer.java (line 217) Error occurred during processing of message. java.util.ConcurrentModificationException at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372) at java.util.AbstractList$Itr.next(AbstractList.java:343) at org.apache.cassandra.cql3.ResultSet$Metadata.allInSameCF(ResultSet.java:237) at org.apache.cassandra.cql3.ResultSet$Metadata.init(ResultSet.java:219) at org.apache.cassandra.cql3.ResultSet.init(ResultSet.java:47) at org.apache.cassandra.cql3.statements.Selection$ResultSetBuilder.init(Selection.java:239) at org.apache.cassandra.cql3.statements.Selection$ResultSetBuilder.init(Selection.java:221) at org.apache.cassandra.cql3.statements.Selection.resultSetBuilder(Selection.java:211) at org.apache.cassandra.cql3.statements.SelectStatement.process(SelectStatement.java:655) at org.apache.cassandra.cql3.statements.SelectStatement.processResults(SelectStatement.java:147) at org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:136) at org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:62) at org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:132) at org.apache.cassandra.cql3.QueryProcessor.processPrepared(QueryProcessor.java:254) at org.apache.cassandra.thrift.CassandraServer.execute_prepared_cql3_query(CassandraServer.java:1851) at org.apache.cassandra.thrift.Cassandra$Processor$execute_prepared_cql3_query.getResult(Cassandra.java:4166) at org.apache.cassandra.thrift.Cassandra$Processor$execute_prepared_cql3_query.getResult(Cassandra.java:4154) at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:32) at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:34) at org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:199) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) at java.lang.Thread.run(Thread.java:662) -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[Cassandra Wiki] Trivial Update of MarcyD00 by MarcyD00
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[jira] [Commented] (CASSANDRA-4430) optional pluggable o.a.c.metrics reporters
[
https://issues.apache.org/jira/browse/CASSANDRA-4430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13613741#comment-13613741
]
Chris Burroughs commented on CASSANDRA-4430:
Using the full metric name is reasonable and should not be too hard. I'll let
you know when I have a release with that.
(One minor pedantic note is that that full name is actually an artifact of
the Reporter, and not of the metric itself. In theory someone could write a
reporter that did scope + metricName + reverse(pkg), or something like that
and end up confused. I'm going to ignore that and concat the strings in normal
(jmx) order unless there is a super popular 3rd party reporter that does
something funky.)
optional pluggable o.a.c.metrics reporters
--
Key: CASSANDRA-4430
URL: https://issues.apache.org/jira/browse/CASSANDRA-4430
Project: Cassandra
Issue Type: Improvement
Components: Core
Reporter: Chris Burroughs
Assignee: Chris Burroughs
Priority: Minor
Fix For: 1.2.4
Attachments: cassandra-ganglia-example.png
CASSANDRA-4009 expanded the use of the metrics library which has a set of
reporter modules http://metrics.codahale.com/manual/core/#reporters You can
report to flat files, ganglia, spit everything over http, etc. The next step
is a mechanism for using those reporters with o.a.c.metrics. To avoid
bundling everything I suggest following the mx4j approach of enable only if
on classpath coupled with a reporter configuration file.
Strawman file:
{noformat}
console:
time: 1
timeunit: seconds
csv:
- time: 1
timeunit: minutes
file: foo.csv
- time: 10
timeunit: seconds
file: bar.csv
ganglia:
- time: 30
timunit: seconds
host: server-1
port: 8649
- time: 30
timunit: seconds
host: server-2
port: 8649
{noformat}
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[Cassandra Wiki] Trivial Update of CasimiraG by CasimiraG
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[jira] [Resolved] (CASSANDRA-5296) NPE on /init.d/cassandra start
[
https://issues.apache.org/jira/browse/CASSANDRA-5296?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jonathan Ellis resolved CASSANDRA-5296.
---
Resolution: Not A Problem
Sounds good, thanks for the followup.
NPE on /init.d/cassandra start
--
Key: CASSANDRA-5296
URL: https://issues.apache.org/jira/browse/CASSANDRA-5296
Project: Cassandra
Issue Type: Bug
Affects Versions: 1.2.1
Environment: Linux srv1 3.2.0-27-generic #43-Ubuntu SMP Fri Jul 6
14:25:57 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
Reporter: Pavel Trukhanov
{code}
== /var/log/cassandra/output.log ==
INFO 18:05:18,466 Logging initialized
INFO 18:05:18,477 JVM vendor/version: Java HotSpot(TM) 64-Bit Server
VM/1.6.0_32
INFO 18:05:18,478 Heap size: 6358564864/6358564864
INFO 18:05:18,478 Classpath:
/usr/share/java/mx4j-tools.jar:/usr/share/cassandra/lib/antlr-3.2.jar:/usr/share/cassandra/lib/avro-1.4.0-fixes.jar:/usr/share/cassandra/lib/avro-1.4.0-sources-fixes.jar:/usr/share/cassandra/lib/commons-cli-1.1.jar:/usr/share/cassandra/lib/commons-codec-1.2.jar:/usr/share/cassandra/lib/commons-lang-2.6.jar:/usr/share/cassandra/lib/compress-lzf-0.8.4.jar:/usr/share/cassandra/lib/concurrentlinkedhashmap-lru-1.3.jar:/usr/share/cassandra/lib/guava-13.0.1.jar:/usr/share/cassandra/lib/high-scale-lib-1.1.2.jar:/usr/share/cassandra/lib/jackson-core-asl-1.9.2.jar:/usr/share/cassandra/lib/jackson-mapper-asl-1.9.2.jar:/usr/share/cassandra/lib/jamm-0.2.5.jar:/usr/share/cassandra/lib/jline-1.0.jar:/usr/share/cassandra/lib/json-simple-1.1.jar:/usr/share/cassandra/lib/libthrift-0.7.0.jar:/usr/share/cassandra/lib/log4j-1.2.16.jar:/usr/share/cassandra/lib/metrics-core-2.0.3.jar:/usr/share/cassandra/lib/netty-3.5.9.Final.jar:/usr/share/cassandra/lib/servlet-api-2.5-20081211.jar:/usr/share/cassandra/lib/slf4j-api-1.7.2.jar:/usr/share/cassandra/lib/slf4j-log4j12-1.7.2.jar:/usr/share/cassandra/lib/snakeyaml-1.6.jar:/usr/share/cassandra/lib/snappy-java-1.0.4.1.jar:/usr/share/cassandra/lib/snaptree-0.1.jar:/usr/share/cassandra/apache-cassandra-1.2.1.jar:/usr/share/cassandra/apache-cassandra-thrift-1.2.1.jar:/usr/share/cassandra/apache-cassandra.jar:/usr/share/cassandra/stress.jar:/usr/share/java/jna.jar:/etc/cassandra:/usr/share/java/commons-daemon.jar:/usr/share/cassandra/lib/jamm-0.2.5.jar
INFO 18:05:20,021 JNA mlockall successful
INFO 18:05:20,042 Loading settings from file:/etc/cassandra/cassandra.yaml
INFO 18:05:20,352 DiskAccessMode 'auto' determined to be mmap,
indexAccessMode is mmap
INFO 18:05:20,352 disk_failure_policy is stop
INFO 18:05:20,368 Global memtable threshold is enabled at 2048MB
INFO 18:05:21,401 Initializing key cache with capacity of 100 MBs.
INFO 18:05:21,417 Scheduling key cache save to each 14400 seconds (going to
save all keys).
INFO 18:05:21,417 Initializing row cache with capacity of 0 MBs and provider
org.apache.cassandra.cache.SerializingCacheProvider
INFO 18:05:21,420 Scheduling row cache save to each 0 seconds (going to save
all keys).
INFO 18:05:21,640 Opening
/var/lib/cassandra/data/system/schema_keyspaces/system-schema_keyspaces-ib-3
(191 bytes)
INFO 18:05:22,185 Opening
/var/lib/cassandra/data/system/schema_columnfamilies/system-schema_columnfamilies-ib-3
(2674 bytes)
INFO 18:05:22,214 Opening
/var/lib/cassandra/data/system/schema_columns/system-schema_columns-ib-3 (437
bytes)
INFO 18:05:22,240 Opening
/var/lib/cassandra/data/system/peers/system-peers-ib-3 (150 bytes)
INFO 18:05:22,240 Opening
/var/lib/cassandra/data/system/peers/system-peers-ib-2 (300 bytes)
INFO 18:05:22,240 Opening
/var/lib/cassandra/data/system/peers/system-peers-ib-1 (193 bytes)
INFO 18:05:22,395 Opening
/var/lib/cassandra/data/system/local/system-local-ib-2 (120 bytes)
INFO 18:05:22,395 Opening
/var/lib/cassandra/data/system/local/system-local-ib-7 (84 bytes)
INFO 18:05:22,396 Opening
/var/lib/cassandra/data/system/local/system-local-ib-8 (535 bytes)
INFO 18:05:22,396 Opening
/var/lib/cassandra/data/system/local/system-local-ib-4 (146 bytes)
INFO 18:05:22,395 Opening
/var/lib/cassandra/data/system/local/system-local-ib-3 (90 bytes)
INFO 18:05:22,395 Opening
/var/lib/cassandra/data/system/local/system-local-ib-6 (97 bytes)
INFO 18:05:22,396 Opening
/var/lib/cassandra/data/system/local/system-local-ib-1 (351 bytes)
INFO 18:05:22,396 Opening
/var/lib/cassandra/data/system/local/system-local-ib-5 (97 bytes)
java.lang.NullPointerException
at
org.apache.cassandra.utils.ByteBufferUtil.string(ByteBufferUtil.java:167)
at
org.apache.cassandra.utils.ByteBufferUtil.string(ByteBufferUtil.java:124)
at org.apache.cassandra.cql.jdbc.JdbcUTF8.getString(JdbcUTF8.java:73)
at org.apache.cassandra.cql.jdbc.JdbcUTF8.compose(JdbcUTF8.java:93)
at
[jira] [Commented] (CASSANDRA-4775) Counters 2.0
[ https://issues.apache.org/jira/browse/CASSANDRA-4775?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13613993#comment-13613993 ] Jonathan Halliday commented on CASSANDRA-4775: -- To my mind it's the read rather than the lock that's the problem. The design pattern of 'blind write to log the event on increment, read and replay the series of events to calculate the current value on read' would seem more in keeping with the 'cassandra way'. Of course you need to periodically squash the increment log down to a single point in time value to stop it growing unbounded and that step does need locking of some form, but that batch operation is less costly than a lock/read on each write. In keeping with my earlier point re: making the 'counters' mechanism as general/pluggable as possible, having a generic implementation of the 'log a modification event stream, replay it on read' that could eventually be exposed as a primitive on which users could build their own functionality would be a big win. It may be a harder pattern to implement well, but it's ultimately a lot more powerful. Counters 2.0 Key: CASSANDRA-4775 URL: https://issues.apache.org/jira/browse/CASSANDRA-4775 Project: Cassandra Issue Type: New Feature Components: Core Reporter: Arya Goudarzi Labels: counters Fix For: 2.0 The existing partitioned counters remain a source of frustration for most users almost two years after being introduced. The remaining problems are inherent in the design, not something that can be fixed given enough time/eyeballs. Ideally a solution would give us - similar performance - less special cases in the code - potential for a retry mechanism -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
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[jira] [Commented] (CASSANDRA-4047) Bulk hinting
[ https://issues.apache.org/jira/browse/CASSANDRA-4047?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13614070#comment-13614070 ] Brandon Williams commented on CASSANDRA-4047: - I think I have a plan here that can avoid the hell of making MS multi-port. Akin to how shuffle works with creating a 'schedule' for transfers, upon failure we can insert the range that failed into a system table on a replica that succeeded via thrift, and when the node recovers we can repair the range. Bulk hinting Key: CASSANDRA-4047 URL: https://issues.apache.org/jira/browse/CASSANDRA-4047 Project: Cassandra Issue Type: Improvement Components: Core Reporter: Brandon Williams Assignee: Brandon Williams Fix For: 2.0 With the introduction of the BulkOutputFormat, there may be cases where someone would like to tolerate node failures and have the job complete, but afterwards since we streamed they have to repair or rely on read repair. We don't currently have any way of hinting streams, but a node could take a snapshot before acknowledging the stream session, then remember to send the files in the snapshot to the unavailable nodes when they come back up. This isn't quite ideal since of course the node may have compacted these files, however it's much simpler than any sort of key tracking at this scale. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Commented] (CASSANDRA-5062) Support CAS
[ https://issues.apache.org/jira/browse/CASSANDRA-5062?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13614082#comment-13614082 ] Jonathan Ellis commented on CASSANDRA-5062: --- Pushed a new version to https://github.com/jbellis/cassandra/commits/5062-2. Now passes a basic test. Support CAS --- Key: CASSANDRA-5062 URL: https://issues.apache.org/jira/browse/CASSANDRA-5062 Project: Cassandra Issue Type: New Feature Components: API, Core Reporter: Jonathan Ellis Fix For: 2.0 Attachments: half-baked commit 1.jpg, half-baked commit 2.jpg, half-baked commit 3.jpg Strong consistency is not enough to prevent race conditions. The classic example is user account creation: we want to ensure usernames are unique, so we only want to signal account creation success if nobody else has created the account yet. But naive read-then-write allows clients to race and both think they have a green light to create. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
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[jira] [Commented] (CASSANDRA-5382) ConcurrentModificantionException on server when multiple CQL3 read requests received on single column family simultaneously.
[ https://issues.apache.org/jira/browse/CASSANDRA-5382?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13614121#comment-13614121 ] Jason Reber commented on CASSANDRA-5382: Thanks for the patch, yes the query does involve a count, specifically: SELECT count(*) FROM node WHERE state_identifier = 1 ConcurrentModificantionException on server when multiple CQL3 read requests received on single column family simultaneously. Key: CASSANDRA-5382 URL: https://issues.apache.org/jira/browse/CASSANDRA-5382 Project: Cassandra Issue Type: Bug Affects Versions: 1.2.3 Environment: SLES, Sun JDK 1.6.0_43 Reporter: Jason Reber Priority: Minor Attachments: 0001-Copy-ResultSet-in-makeCountResult.txt The exception below is thrown on the server when two reads are performed at the exact same time on the same column family. This causes the query to fail. The problem appears to be caused by the 'name' list in org.apache.cassandra.cql3.ResultSet$Metadata. The reference is passed in to the constructor and iterated without copying and without a synch block. When two of these ResultSet instances are created from the same metadata list at the same time, a ConcurrentModificationException is thrown. The error: ERROR [Thrift:860] 2013-03-25 09:27:39,467 CustomTThreadPoolServer.java (line 217) Error occurred during processing of message. java.util.ConcurrentModificationException at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372) at java.util.AbstractList$Itr.next(AbstractList.java:343) at org.apache.cassandra.cql3.ResultSet$Metadata.allInSameCF(ResultSet.java:237) at org.apache.cassandra.cql3.ResultSet$Metadata.init(ResultSet.java:219) at org.apache.cassandra.cql3.ResultSet.init(ResultSet.java:47) at org.apache.cassandra.cql3.statements.Selection$ResultSetBuilder.init(Selection.java:239) at org.apache.cassandra.cql3.statements.Selection$ResultSetBuilder.init(Selection.java:221) at org.apache.cassandra.cql3.statements.Selection.resultSetBuilder(Selection.java:211) at org.apache.cassandra.cql3.statements.SelectStatement.process(SelectStatement.java:655) at org.apache.cassandra.cql3.statements.SelectStatement.processResults(SelectStatement.java:147) at org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:136) at org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:62) at org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:132) at org.apache.cassandra.cql3.QueryProcessor.processPrepared(QueryProcessor.java:254) at org.apache.cassandra.thrift.CassandraServer.execute_prepared_cql3_query(CassandraServer.java:1851) at org.apache.cassandra.thrift.Cassandra$Processor$execute_prepared_cql3_query.getResult(Cassandra.java:4166) at org.apache.cassandra.thrift.Cassandra$Processor$execute_prepared_cql3_query.getResult(Cassandra.java:4154) at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:32) at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:34) at org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:199) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) at java.lang.Thread.run(Thread.java:662) -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Commented] (CASSANDRA-5382) ConcurrentModificantionException on server when multiple CQL3 read requests received on single column family simultaneously.
[ https://issues.apache.org/jira/browse/CASSANDRA-5382?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13614136#comment-13614136 ] Jonathan Ellis commented on CASSANDRA-5382: --- +1 ConcurrentModificantionException on server when multiple CQL3 read requests received on single column family simultaneously. Key: CASSANDRA-5382 URL: https://issues.apache.org/jira/browse/CASSANDRA-5382 Project: Cassandra Issue Type: Bug Affects Versions: 1.2.3 Environment: SLES, Sun JDK 1.6.0_43 Reporter: Jason Reber Priority: Minor Attachments: 0001-Copy-ResultSet-in-makeCountResult.txt The exception below is thrown on the server when two reads are performed at the exact same time on the same column family. This causes the query to fail. The problem appears to be caused by the 'name' list in org.apache.cassandra.cql3.ResultSet$Metadata. The reference is passed in to the constructor and iterated without copying and without a synch block. When two of these ResultSet instances are created from the same metadata list at the same time, a ConcurrentModificationException is thrown. The error: ERROR [Thrift:860] 2013-03-25 09:27:39,467 CustomTThreadPoolServer.java (line 217) Error occurred during processing of message. java.util.ConcurrentModificationException at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372) at java.util.AbstractList$Itr.next(AbstractList.java:343) at org.apache.cassandra.cql3.ResultSet$Metadata.allInSameCF(ResultSet.java:237) at org.apache.cassandra.cql3.ResultSet$Metadata.init(ResultSet.java:219) at org.apache.cassandra.cql3.ResultSet.init(ResultSet.java:47) at org.apache.cassandra.cql3.statements.Selection$ResultSetBuilder.init(Selection.java:239) at org.apache.cassandra.cql3.statements.Selection$ResultSetBuilder.init(Selection.java:221) at org.apache.cassandra.cql3.statements.Selection.resultSetBuilder(Selection.java:211) at org.apache.cassandra.cql3.statements.SelectStatement.process(SelectStatement.java:655) at org.apache.cassandra.cql3.statements.SelectStatement.processResults(SelectStatement.java:147) at org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:136) at org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:62) at org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:132) at org.apache.cassandra.cql3.QueryProcessor.processPrepared(QueryProcessor.java:254) at org.apache.cassandra.thrift.CassandraServer.execute_prepared_cql3_query(CassandraServer.java:1851) at org.apache.cassandra.thrift.Cassandra$Processor$execute_prepared_cql3_query.getResult(Cassandra.java:4166) at org.apache.cassandra.thrift.Cassandra$Processor$execute_prepared_cql3_query.getResult(Cassandra.java:4154) at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:32) at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:34) at org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:199) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) at java.lang.Thread.run(Thread.java:662) -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Commented] (CASSANDRA-5202) AssertionError in the backend: DecoratedKey(-1, ) != DecoratedKey(x, y) ... while querying data after bulk insert - 1M rows with 100 columns. Also failure to drop
[ https://issues.apache.org/jira/browse/CASSANDRA-5202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13614143#comment-13614143 ] Jonathan Ellis commented on CASSANDRA-5202: --- Since we're talking 2.0 anyway for CFID-in-the-filename... What if we switched to using CAS for CFID creation? Then everyone would agree on the same CFID, and we could use that in our MessagingService instead of table + cf strings. (We could also use an int instead of a UUID.) Would that make any difference here? Or should we just proceed with this change now and worry about global CFIDs later? AssertionError in the backend: DecoratedKey(-1, ) != DecoratedKey(x, y) ... while querying data after bulk insert - 1M rows with 100 columns. Also failure to drop column families Key: CASSANDRA-5202 URL: https://issues.apache.org/jira/browse/CASSANDRA-5202 Project: Cassandra Issue Type: Bug Components: Core Affects Versions: 1.1.9 Environment: OS: Windows 7, Server: Cassandra 1.1.9 release drop Client: astyanax 1.56.21, JVM: Sun/Oracle JVM 64 bit (jdk1.6.0_27) Reporter: Marat Bedretdinov Assignee: Yuki Morishita Labels: test Attachments: 5202-1.1.txt, astyanax-stress-driver.zip Attached is a driver that sequentially: 1. Drops keyspace 2. Creates keyspace 4. Creates 2 column families 5. Seeds 1M rows with 100 columns 6. Queries these 2 column families The above steps are repeated 1000 times. The following exception is observed at random (race - SEDA?): ERROR [ReadStage:55] 2013-01-29 19:24:52,676 AbstractCassandraDaemon.java (line 135) Exception in thread Thread[ReadStage:55,5,main] java.lang.AssertionError: DecoratedKey(-1, ) != DecoratedKey(62819832764241410631599989027761269388, 313a31) in C:\var\lib\cassandra\data\user_role_reverse_index\business_entity_role\user_role_reverse_index-business_entity_role-hf-1-Data.db at org.apache.cassandra.db.columniterator.SSTableSliceIterator.init(SSTableSliceIterator.java:60) at org.apache.cassandra.db.filter.SliceQueryFilter.getSSTableColumnIterator(SliceQueryFilter.java:67) at org.apache.cassandra.db.filter.QueryFilter.getSSTableColumnIterator(QueryFilter.java:79) at org.apache.cassandra.db.CollationController.collectAllData(CollationController.java:256) at org.apache.cassandra.db.CollationController.getTopLevelColumns(CollationController.java:64) at org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1367) at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1229) at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1164) at org.apache.cassandra.db.Table.getRow(Table.java:378) at org.apache.cassandra.db.SliceFromReadCommand.getRow(SliceFromReadCommand.java:69) at org.apache.cassandra.service.StorageProxy$LocalReadRunnable.runMayThrow(StorageProxy.java:822) at org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:1271) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) This exception appears in the server at the time of client submitting a query request (row slice) and not at the time data is seeded. The client times out and this data can no longer be queried as the same exception would always occur from there on. Also on iteration 201, it appears that dropping column families failed and as a result their recreation failed with unique column family name violation (see exception below). Note that the data files are actually gone, so it appears that the server runtime responsible for creating column family was out of sync with the piece that dropped them: Starting dropping column families Dropped column families Starting dropping keyspace Dropped keyspace Starting creating column families Created column families Starting seeding data Total rows inserted: 100 in 5105 ms Iteration: 200; Total running time for 1000 queries is 232; Average running time of 1000 queries is 0 ms Starting dropping column families Dropped column families Starting dropping keyspace Dropped keyspace Starting creating column families Created column families Starting seeding data Total rows inserted: 100 in 5361 ms Iteration: 201; Total running time for 1000 queries is 222; Average running time of 1000 queries is 0 ms Starting dropping
[jira] [Commented] (CASSANDRA-4430) optional pluggable o.a.c.metrics reporters
[
https://issues.apache.org/jira/browse/CASSANDRA-4430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13614170#comment-13614170
]
Tyler Hobbs commented on CASSANDRA-4430:
That sounds great, thanks.
optional pluggable o.a.c.metrics reporters
--
Key: CASSANDRA-4430
URL: https://issues.apache.org/jira/browse/CASSANDRA-4430
Project: Cassandra
Issue Type: Improvement
Components: Core
Reporter: Chris Burroughs
Assignee: Chris Burroughs
Priority: Minor
Fix For: 1.2.4
Attachments: cassandra-ganglia-example.png
CASSANDRA-4009 expanded the use of the metrics library which has a set of
reporter modules http://metrics.codahale.com/manual/core/#reporters You can
report to flat files, ganglia, spit everything over http, etc. The next step
is a mechanism for using those reporters with o.a.c.metrics. To avoid
bundling everything I suggest following the mx4j approach of enable only if
on classpath coupled with a reporter configuration file.
Strawman file:
{noformat}
console:
time: 1
timeunit: seconds
csv:
- time: 1
timeunit: minutes
file: foo.csv
- time: 10
timeunit: seconds
file: bar.csv
ganglia:
- time: 30
timunit: seconds
host: server-1
port: 8649
- time: 30
timunit: seconds
host: server-2
port: 8649
{noformat}
--
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[jira] [Commented] (CASSANDRA-5202) AssertionError in the backend: DecoratedKey(-1, ) != DecoratedKey(x, y) ... while querying data after bulk insert - 1M rows with 100 columns. Also failure to drop
[ https://issues.apache.org/jira/browse/CASSANDRA-5202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13614307#comment-13614307 ] Yuki Morishita commented on CASSANDRA-5202: --- If we want to switch (back again) to int for CFID, then CAS would be good. But we already use UUID for that, I don't feel we need to switch. AssertionError in the backend: DecoratedKey(-1, ) != DecoratedKey(x, y) ... while querying data after bulk insert - 1M rows with 100 columns. Also failure to drop column families Key: CASSANDRA-5202 URL: https://issues.apache.org/jira/browse/CASSANDRA-5202 Project: Cassandra Issue Type: Bug Components: Core Affects Versions: 1.1.9 Environment: OS: Windows 7, Server: Cassandra 1.1.9 release drop Client: astyanax 1.56.21, JVM: Sun/Oracle JVM 64 bit (jdk1.6.0_27) Reporter: Marat Bedretdinov Assignee: Yuki Morishita Labels: test Attachments: 5202-1.1.txt, astyanax-stress-driver.zip Attached is a driver that sequentially: 1. Drops keyspace 2. Creates keyspace 4. Creates 2 column families 5. Seeds 1M rows with 100 columns 6. Queries these 2 column families The above steps are repeated 1000 times. The following exception is observed at random (race - SEDA?): ERROR [ReadStage:55] 2013-01-29 19:24:52,676 AbstractCassandraDaemon.java (line 135) Exception in thread Thread[ReadStage:55,5,main] java.lang.AssertionError: DecoratedKey(-1, ) != DecoratedKey(62819832764241410631599989027761269388, 313a31) in C:\var\lib\cassandra\data\user_role_reverse_index\business_entity_role\user_role_reverse_index-business_entity_role-hf-1-Data.db at org.apache.cassandra.db.columniterator.SSTableSliceIterator.init(SSTableSliceIterator.java:60) at org.apache.cassandra.db.filter.SliceQueryFilter.getSSTableColumnIterator(SliceQueryFilter.java:67) at org.apache.cassandra.db.filter.QueryFilter.getSSTableColumnIterator(QueryFilter.java:79) at org.apache.cassandra.db.CollationController.collectAllData(CollationController.java:256) at org.apache.cassandra.db.CollationController.getTopLevelColumns(CollationController.java:64) at org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1367) at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1229) at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1164) at org.apache.cassandra.db.Table.getRow(Table.java:378) at org.apache.cassandra.db.SliceFromReadCommand.getRow(SliceFromReadCommand.java:69) at org.apache.cassandra.service.StorageProxy$LocalReadRunnable.runMayThrow(StorageProxy.java:822) at org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:1271) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) This exception appears in the server at the time of client submitting a query request (row slice) and not at the time data is seeded. The client times out and this data can no longer be queried as the same exception would always occur from there on. Also on iteration 201, it appears that dropping column families failed and as a result their recreation failed with unique column family name violation (see exception below). Note that the data files are actually gone, so it appears that the server runtime responsible for creating column family was out of sync with the piece that dropped them: Starting dropping column families Dropped column families Starting dropping keyspace Dropped keyspace Starting creating column families Created column families Starting seeding data Total rows inserted: 100 in 5105 ms Iteration: 200; Total running time for 1000 queries is 232; Average running time of 1000 queries is 0 ms Starting dropping column families Dropped column families Starting dropping keyspace Dropped keyspace Starting creating column families Created column families Starting seeding data Total rows inserted: 100 in 5361 ms Iteration: 201; Total running time for 1000 queries is 222; Average running time of 1000 queries is 0 ms Starting dropping column families Starting creating column families Exception in thread main com.netflix.astyanax.connectionpool.exceptions.BadRequestException: BadRequestException: [host=127.0.0.1(127.0.0.1):9160, latency=2468(2469),
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[jira] [Created] (CASSANDRA-5384) SSTables are evicted from the page cache during compaction even if populate_io_cache_on_flush is true
Jouni Hartikainen created CASSANDRA-5384: Summary: SSTables are evicted from the page cache during compaction even if populate_io_cache_on_flush is true Key: CASSANDRA-5384 URL: https://issues.apache.org/jira/browse/CASSANDRA-5384 Project: Cassandra Issue Type: Improvement Affects Versions: 1.2.3 Reporter: Jouni Hartikainen Priority: Minor AbstractCompactionStrategy acquires direct scanners on SSTables to be compacted. These scanners are always created with skipIOCache set true. Because of this, compactions even for CFs that have populate_io_cache_on_flush set to true will evict source SSTables from the page cache after 128MB (CACHE_FLUSH_INTERVAL_IN_BYTES in RandomAccessReader) have been read from them. This leads to disk reads even in cases where the dataset completely fits into memory and unnecessarily limits compaction throughput on nodes that have lots of RAM. Maybe compaction strategy should try to avoid skipping IO cache if CF has populate_io_cache_on_flush set to true? -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
Git Push Summary
Updated Tags: refs/tags/cassandra-1.2.0 [deleted] 95395aadf
[jira] [Resolved] (CASSANDRA-5384) SSTables are evicted from the page cache during compaction even if populate_io_cache_on_flush is true
[ https://issues.apache.org/jira/browse/CASSANDRA-5384?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Jonathan Ellis resolved CASSANDRA-5384. --- Resolution: Duplicate see CASSANDRA-4937 SSTables are evicted from the page cache during compaction even if populate_io_cache_on_flush is true - Key: CASSANDRA-5384 URL: https://issues.apache.org/jira/browse/CASSANDRA-5384 Project: Cassandra Issue Type: Improvement Affects Versions: 1.2.3 Reporter: Jouni Hartikainen Priority: Minor AbstractCompactionStrategy acquires direct scanners on SSTables to be compacted. These scanners are always created with skipIOCache set true. Because of this, compactions even for CFs that have populate_io_cache_on_flush set to true will evict source SSTables from the page cache after 128MB (CACHE_FLUSH_INTERVAL_IN_BYTES in RandomAccessReader) have been read from them. This leads to disk reads even in cases where the dataset completely fits into memory and unnecessarily limits compaction throughput on nodes that have lots of RAM. Maybe compaction strategy should try to avoid skipping IO cache if CF has populate_io_cache_on_flush set to true? -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[Cassandra Wiki] Trivial Update of TonyaWill by TonyaWill
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[1/3] git commit: revert 27ed655fd0552055bd1c26c62c098c16501bc32b
Updated Branches: refs/heads/cassandra-1.2 e580ef104 - 01bc564bb refs/heads/trunk d394ab14a - b114ce74c revert 27ed655fd0552055bd1c26c62c098c16501bc32b Project: http://git-wip-us.apache.org/repos/asf/cassandra/repo Commit: http://git-wip-us.apache.org/repos/asf/cassandra/commit/01bc564b Tree: http://git-wip-us.apache.org/repos/asf/cassandra/tree/01bc564b Diff: http://git-wip-us.apache.org/repos/asf/cassandra/diff/01bc564b Branch: refs/heads/cassandra-1.2 Commit: 01bc564bb2e89684b445f217a83c39f32113560a Parents: e580ef1 Author: Jonathan Ellis jbel...@apache.org Authored: Tue Mar 26 13:11:19 2013 -0500 Committer: Jonathan Ellis jbel...@apache.org Committed: Tue Mar 26 13:11:19 2013 -0500 -- CHANGES.txt|2 - conf/cassandra.yaml|6 - src/java/org/apache/cassandra/config/Config.java |2 - .../cassandra/config/DatabaseDescriptor.java |5 - .../cassandra/db/commitlog/CommitLogReplayer.java |2 +- .../db/compaction/AbstractCompactionStrategy.java |2 +- .../cassandra/db/compaction/CompactionManager.java |2 +- .../cassandra/db/compaction/CompactionTask.java|5 +- .../db/compaction/LeveledCompactionStrategy.java |6 +- .../apache/cassandra/db/compaction/Scrubber.java |4 +- .../io/compress/CompressedRandomAccessReader.java | 10 +- .../apache/cassandra/io/sstable/KeyIterator.java |2 +- .../io/sstable/SSTableBoundedScanner.java |4 +- .../apache/cassandra/io/sstable/SSTableReader.java | 90 ++- .../cassandra/io/sstable/SSTableScanner.java | 10 +- .../cassandra/io/util/RandomAccessReader.java | 54 +++-- .../apache/cassandra/streaming/FileStreamTask.java |2 +- .../compress/CompressedFileStreamTask.java |2 +- .../org/apache/cassandra/tools/SSTableExport.java |4 +- src/java/org/apache/cassandra/utils/CLibrary.java | 21 .../unit/org/apache/cassandra/db/KeyCacheTest.java |4 +- .../compress/CompressedRandomAccessReaderTest.java |8 +- .../apache/cassandra/io/sstable/SSTableTest.java |4 +- .../apache/cassandra/io/sstable/SSTableUtils.java |4 +- .../io/util/BufferedRandomAccessFileTest.java |4 +- 25 files changed, 98 insertions(+), 161 deletions(-) -- http://git-wip-us.apache.org/repos/asf/cassandra/blob/01bc564b/CHANGES.txt -- diff --git a/CHANGES.txt b/CHANGES.txt index e0d3869..184e70d 100644 --- a/CHANGES.txt +++ b/CHANGES.txt @@ -7,8 +7,6 @@ * Improve asynchronous hint delivery (CASSANDRA-5179) * Fix Guava dependency version (12.0 - 13.0.1) for Maven (CASSANDRA-5364) * Validate that provided CQL3 collection value are 64K (CASSANDRA-5355) - * Change Kernel Page Cache skipping into row preheating (disabled by default) - (CASSANDRA-4937) * Make upgradeSSTable skip current version sstables by default (CASSANDRA-5366) * Optimize min/max timestamp collection (CASSANDRA-5373) Merged from 1.1: http://git-wip-us.apache.org/repos/asf/cassandra/blob/01bc564b/conf/cassandra.yaml -- diff --git a/conf/cassandra.yaml b/conf/cassandra.yaml index 76e5901..2bf23a6 100644 --- a/conf/cassandra.yaml +++ b/conf/cassandra.yaml @@ -684,9 +684,3 @@ internode_compression: all # reducing overhead from the TCP protocol itself, at the cost of increasing # latency if you block for cross-datacenter responses. inter_dc_tcp_nodelay: true - -# Enable or disable kernel page cache preheating from contents of the key cache after compaction. -# When enabled it would preheat only first page (4KB) of each row to optimize -# for sequential access. Note: This could be harmful for fat rows, see CASSANDRA-4937 -# for further details on that topic. -preheat_kernel_page_cache: false http://git-wip-us.apache.org/repos/asf/cassandra/blob/01bc564b/src/java/org/apache/cassandra/config/Config.java -- diff --git a/src/java/org/apache/cassandra/config/Config.java b/src/java/org/apache/cassandra/config/Config.java index 5061042..34b26f5 100644 --- a/src/java/org/apache/cassandra/config/Config.java +++ b/src/java/org/apache/cassandra/config/Config.java @@ -167,8 +167,6 @@ public class Config public boolean inter_dc_tcp_nodelay = true; -public boolean preheat_kernel_page_cache = false; - private static boolean loadYaml = true; private static boolean outboundBindAny = false; http://git-wip-us.apache.org/repos/asf/cassandra/blob/01bc564b/src/java/org/apache/cassandra/config/DatabaseDescriptor.java -- diff --git
[2/3] git commit: revert 27ed655fd0552055bd1c26c62c098c16501bc32b
revert 27ed655fd0552055bd1c26c62c098c16501bc32b Project: http://git-wip-us.apache.org/repos/asf/cassandra/repo Commit: http://git-wip-us.apache.org/repos/asf/cassandra/commit/01bc564b Tree: http://git-wip-us.apache.org/repos/asf/cassandra/tree/01bc564b Diff: http://git-wip-us.apache.org/repos/asf/cassandra/diff/01bc564b Branch: refs/heads/trunk Commit: 01bc564bb2e89684b445f217a83c39f32113560a Parents: e580ef1 Author: Jonathan Ellis jbel...@apache.org Authored: Tue Mar 26 13:11:19 2013 -0500 Committer: Jonathan Ellis jbel...@apache.org Committed: Tue Mar 26 13:11:19 2013 -0500 -- CHANGES.txt|2 - conf/cassandra.yaml|6 - src/java/org/apache/cassandra/config/Config.java |2 - .../cassandra/config/DatabaseDescriptor.java |5 - .../cassandra/db/commitlog/CommitLogReplayer.java |2 +- .../db/compaction/AbstractCompactionStrategy.java |2 +- .../cassandra/db/compaction/CompactionManager.java |2 +- .../cassandra/db/compaction/CompactionTask.java|5 +- .../db/compaction/LeveledCompactionStrategy.java |6 +- .../apache/cassandra/db/compaction/Scrubber.java |4 +- .../io/compress/CompressedRandomAccessReader.java | 10 +- .../apache/cassandra/io/sstable/KeyIterator.java |2 +- .../io/sstable/SSTableBoundedScanner.java |4 +- .../apache/cassandra/io/sstable/SSTableReader.java | 90 ++- .../cassandra/io/sstable/SSTableScanner.java | 10 +- .../cassandra/io/util/RandomAccessReader.java | 54 +++-- .../apache/cassandra/streaming/FileStreamTask.java |2 +- .../compress/CompressedFileStreamTask.java |2 +- .../org/apache/cassandra/tools/SSTableExport.java |4 +- src/java/org/apache/cassandra/utils/CLibrary.java | 21 .../unit/org/apache/cassandra/db/KeyCacheTest.java |4 +- .../compress/CompressedRandomAccessReaderTest.java |8 +- .../apache/cassandra/io/sstable/SSTableTest.java |4 +- .../apache/cassandra/io/sstable/SSTableUtils.java |4 +- .../io/util/BufferedRandomAccessFileTest.java |4 +- 25 files changed, 98 insertions(+), 161 deletions(-) -- http://git-wip-us.apache.org/repos/asf/cassandra/blob/01bc564b/CHANGES.txt -- diff --git a/CHANGES.txt b/CHANGES.txt index e0d3869..184e70d 100644 --- a/CHANGES.txt +++ b/CHANGES.txt @@ -7,8 +7,6 @@ * Improve asynchronous hint delivery (CASSANDRA-5179) * Fix Guava dependency version (12.0 - 13.0.1) for Maven (CASSANDRA-5364) * Validate that provided CQL3 collection value are 64K (CASSANDRA-5355) - * Change Kernel Page Cache skipping into row preheating (disabled by default) - (CASSANDRA-4937) * Make upgradeSSTable skip current version sstables by default (CASSANDRA-5366) * Optimize min/max timestamp collection (CASSANDRA-5373) Merged from 1.1: http://git-wip-us.apache.org/repos/asf/cassandra/blob/01bc564b/conf/cassandra.yaml -- diff --git a/conf/cassandra.yaml b/conf/cassandra.yaml index 76e5901..2bf23a6 100644 --- a/conf/cassandra.yaml +++ b/conf/cassandra.yaml @@ -684,9 +684,3 @@ internode_compression: all # reducing overhead from the TCP protocol itself, at the cost of increasing # latency if you block for cross-datacenter responses. inter_dc_tcp_nodelay: true - -# Enable or disable kernel page cache preheating from contents of the key cache after compaction. -# When enabled it would preheat only first page (4KB) of each row to optimize -# for sequential access. Note: This could be harmful for fat rows, see CASSANDRA-4937 -# for further details on that topic. -preheat_kernel_page_cache: false http://git-wip-us.apache.org/repos/asf/cassandra/blob/01bc564b/src/java/org/apache/cassandra/config/Config.java -- diff --git a/src/java/org/apache/cassandra/config/Config.java b/src/java/org/apache/cassandra/config/Config.java index 5061042..34b26f5 100644 --- a/src/java/org/apache/cassandra/config/Config.java +++ b/src/java/org/apache/cassandra/config/Config.java @@ -167,8 +167,6 @@ public class Config public boolean inter_dc_tcp_nodelay = true; -public boolean preheat_kernel_page_cache = false; - private static boolean loadYaml = true; private static boolean outboundBindAny = false; http://git-wip-us.apache.org/repos/asf/cassandra/blob/01bc564b/src/java/org/apache/cassandra/config/DatabaseDescriptor.java -- diff --git a/src/java/org/apache/cassandra/config/DatabaseDescriptor.java b/src/java/org/apache/cassandra/config/DatabaseDescriptor.java index 31e0b5a..ead60a0 100644 ---
[jira] [Updated] (CASSANDRA-4937) CRAR improvements (object cache + CompressionMetadata chunk offset storage moved off-heap).
[ https://issues.apache.org/jira/browse/CASSANDRA-4937?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Jonathan Ellis updated CASSANDRA-4937: -- Fix Version/s: (was: 1.2.4) 2.0 Reverted from 1.2, kept in trunk as planned above. CRAR improvements (object cache + CompressionMetadata chunk offset storage moved off-heap). --- Key: CASSANDRA-4937 URL: https://issues.apache.org/jira/browse/CASSANDRA-4937 Project: Cassandra Issue Type: Improvement Reporter: Pavel Yaskevich Assignee: Pavel Yaskevich Labels: core Fix For: 2.0 Attachments: 4937-v3.txt, CASSANDRA-4937.patch, CASSANDRA-4937-trunk.patch, CASSANDRA-4937-v4.patch After good amount of testing on one of the clusters it was found that in order to improve read latency we need to minimize allocation rate that compression involves, that minimizes GC (as well as heap usage) and substantially decreases latency on read heavy workloads. I have also discovered that RAR skip cache harms performance in situation when reads are done in parallel with compaction working with relatively big SSTable files (few GB and more). The attached patch removes possibility to skip cache from compressed files (I can also add changes to RAR to remove skip cache functionality as a separate patch). -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[Cassandra Wiki] Trivial Update of RandolphE by RandolphE
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[jira] [Assigned] (CASSANDRA-4047) Bulk hinting
[ https://issues.apache.org/jira/browse/CASSANDRA-4047?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Carl Yeksigian reassigned CASSANDRA-4047: - Assignee: Carl Yeksigian (was: Brandon Williams) Bulk hinting Key: CASSANDRA-4047 URL: https://issues.apache.org/jira/browse/CASSANDRA-4047 Project: Cassandra Issue Type: Improvement Components: Core Reporter: Brandon Williams Assignee: Carl Yeksigian Fix For: 2.0 With the introduction of the BulkOutputFormat, there may be cases where someone would like to tolerate node failures and have the job complete, but afterwards since we streamed they have to repair or rely on read repair. We don't currently have any way of hinting streams, but a node could take a snapshot before acknowledging the stream session, then remember to send the files in the snapshot to the unavailable nodes when they come back up. This isn't quite ideal since of course the node may have compacted these files, however it's much simpler than any sort of key tracking at this scale. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Commented] (CASSANDRA-4885) Remove or rework per-row bloom filters
[ https://issues.apache.org/jira/browse/CASSANDRA-4885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13614438#comment-13614438 ] Carl Yeksigian commented on CASSANDRA-4885: --- This won't upgrade properly. The current IndexHelper.skipBloomFilter() only handles Type.SHA SSTable bloom filters. This is because the number of bytes that are used depends on the scheme. If the schema version is not SHA, we need to read the byte length from the output, then skip that many bytes. This means that when the update occurs, if a row filter was written, we will not skip over it properly. Upgrading from 1.2 to 2.0 will cause CorruptSSTableException since we aren't advancing far enough. I'm reopening and posting a patch which works for this case; it will not currently work with the scrub test. Remove or rework per-row bloom filters -- Key: CASSANDRA-4885 URL: https://issues.apache.org/jira/browse/CASSANDRA-4885 Project: Cassandra Issue Type: Improvement Components: Core Reporter: Jonathan Ellis Assignee: Jason Brown Fix For: 2.0 Attachments: 0001-CASSANRDA-4885-Remove-per-row-bloom-filter.patch, 0002-CASSANRDA-4885-update-test.patch, 4885-indexhelper.patch, 4885-v1.patch, 4885-v2.patch Per-row bloom filters may be a misfeature. On small rows we don't create them. On large rows we essentially only do slice queries that can't take advantage of it. And on very large rows if we ever did deserialize it, the performance hit of doing so would outweigh the benefit of skipping the actual read. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Reopened] (CASSANDRA-4885) Remove or rework per-row bloom filters
[ https://issues.apache.org/jira/browse/CASSANDRA-4885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Carl Yeksigian reopened CASSANDRA-4885: --- Remove or rework per-row bloom filters -- Key: CASSANDRA-4885 URL: https://issues.apache.org/jira/browse/CASSANDRA-4885 Project: Cassandra Issue Type: Improvement Components: Core Reporter: Jonathan Ellis Assignee: Jason Brown Fix For: 2.0 Attachments: 0001-CASSANRDA-4885-Remove-per-row-bloom-filter.patch, 0002-CASSANRDA-4885-update-test.patch, 4885-indexhelper.patch, 4885-v1.patch, 4885-v2.patch Per-row bloom filters may be a misfeature. On small rows we don't create them. On large rows we essentially only do slice queries that can't take advantage of it. And on very large rows if we ever did deserialize it, the performance hit of doing so would outweigh the benefit of skipping the actual read. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Updated] (CASSANDRA-4885) Remove or rework per-row bloom filters
[ https://issues.apache.org/jira/browse/CASSANDRA-4885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Carl Yeksigian updated CASSANDRA-4885: -- Attachment: 4885-indexhelper.patch Remove or rework per-row bloom filters -- Key: CASSANDRA-4885 URL: https://issues.apache.org/jira/browse/CASSANDRA-4885 Project: Cassandra Issue Type: Improvement Components: Core Reporter: Jonathan Ellis Assignee: Jason Brown Fix For: 2.0 Attachments: 0001-CASSANRDA-4885-Remove-per-row-bloom-filter.patch, 0002-CASSANRDA-4885-update-test.patch, 4885-indexhelper.patch, 4885-v1.patch, 4885-v2.patch Per-row bloom filters may be a misfeature. On small rows we don't create them. On large rows we essentially only do slice queries that can't take advantage of it. And on very large rows if we ever did deserialize it, the performance hit of doing so would outweigh the benefit of skipping the actual read. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
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[jira] [Created] (CASSANDRA-5385) IndexHelper.skipBloomFilters won't skip non-SHA filters
Carl Yeksigian created CASSANDRA-5385: - Summary: IndexHelper.skipBloomFilters won't skip non-SHA filters Key: CASSANDRA-5385 URL: https://issues.apache.org/jira/browse/CASSANDRA-5385 Project: Cassandra Issue Type: Bug Affects Versions: 1.2.0 Reporter: Carl Yeksigian Assignee: Carl Yeksigian Fix For: 1.2.4 Attachments: 5385.patch Currently, if the bloom filter is not of SHA type, we do not properly skip the bytes. We need to read out the number of bytes, as happens in the Murmur deserializer, then skip that many bytes instead of just skipping the hash size. The version needs to be passed into the method as well, so that it knows what type of index it is, and does the appropriate skipping. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Updated] (CASSANDRA-5385) IndexHelper.skipBloomFilters won't skip non-SHA filters
[ https://issues.apache.org/jira/browse/CASSANDRA-5385?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Carl Yeksigian updated CASSANDRA-5385: -- Attachment: 5385.patch IndexHelper.skipBloomFilters won't skip non-SHA filters --- Key: CASSANDRA-5385 URL: https://issues.apache.org/jira/browse/CASSANDRA-5385 Project: Cassandra Issue Type: Bug Affects Versions: 1.2.0 Reporter: Carl Yeksigian Assignee: Carl Yeksigian Fix For: 1.2.4 Attachments: 5385.patch Currently, if the bloom filter is not of SHA type, we do not properly skip the bytes. We need to read out the number of bytes, as happens in the Murmur deserializer, then skip that many bytes instead of just skipping the hash size. The version needs to be passed into the method as well, so that it knows what type of index it is, and does the appropriate skipping. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Updated] (CASSANDRA-4885) Remove or rework per-row bloom filters
[ https://issues.apache.org/jira/browse/CASSANDRA-4885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Carl Yeksigian updated CASSANDRA-4885: -- Attachment: (was: 4885-indexhelper.patch) Remove or rework per-row bloom filters -- Key: CASSANDRA-4885 URL: https://issues.apache.org/jira/browse/CASSANDRA-4885 Project: Cassandra Issue Type: Improvement Components: Core Reporter: Jonathan Ellis Assignee: Jason Brown Fix For: 2.0 Attachments: 0001-CASSANRDA-4885-Remove-per-row-bloom-filter.patch, 0002-CASSANRDA-4885-update-test.patch, 4885-v1.patch, 4885-v2.patch Per-row bloom filters may be a misfeature. On small rows we don't create them. On large rows we essentially only do slice queries that can't take advantage of it. And on very large rows if we ever did deserialize it, the performance hit of doing so would outweigh the benefit of skipping the actual read. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Commented] (CASSANDRA-5385) IndexHelper.skipBloomFilters won't skip non-SHA filters
[ https://issues.apache.org/jira/browse/CASSANDRA-5385?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13614449#comment-13614449 ] Jason Brown commented on CASSANDRA-5385: LGTM. Nice catch, will commit in a few minutes. Thanks! IndexHelper.skipBloomFilters won't skip non-SHA filters --- Key: CASSANDRA-5385 URL: https://issues.apache.org/jira/browse/CASSANDRA-5385 Project: Cassandra Issue Type: Bug Affects Versions: 1.2.0 Reporter: Carl Yeksigian Assignee: Carl Yeksigian Fix For: 1.2.4 Attachments: 5385.patch Currently, if the bloom filter is not of SHA type, we do not properly skip the bytes. We need to read out the number of bytes, as happens in the Murmur deserializer, then skip that many bytes instead of just skipping the hash size. The version needs to be passed into the method as well, so that it knows what type of index it is, and does the appropriate skipping. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Updated] (CASSANDRA-5385) IndexHelper.skipBloomFilters won't skip non-SHA filters
[ https://issues.apache.org/jira/browse/CASSANDRA-5385?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Jason Brown updated CASSANDRA-5385: --- Fix Version/s: (was: 1.2.4) 2.0 Reviewer: jasobrown Affects Version/s: (was: 1.2.0) 2.0 IndexHelper.skipBloomFilters won't skip non-SHA filters --- Key: CASSANDRA-5385 URL: https://issues.apache.org/jira/browse/CASSANDRA-5385 Project: Cassandra Issue Type: Bug Affects Versions: 2.0 Reporter: Carl Yeksigian Assignee: Carl Yeksigian Fix For: 2.0 Attachments: 5385.patch Currently, if the bloom filter is not of SHA type, we do not properly skip the bytes. We need to read out the number of bytes, as happens in the Murmur deserializer, then skip that many bytes instead of just skipping the hash size. The version needs to be passed into the method as well, so that it knows what type of index it is, and does the appropriate skipping. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Comment Edited] (CASSANDRA-5385) IndexHelper.skipBloomFilters won't skip non-SHA filters
[ https://issues.apache.org/jira/browse/CASSANDRA-5385?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13614449#comment-13614449 ] Jason Brown edited comment on CASSANDRA-5385 at 3/26/13 7:25 PM: - LGTM. Nice catch, will commit in a few minutes. Thanks! EDIT: actually, looking into a side question that carl raised about OOM problem. was (Author: jasobrown): LGTM. Nice catch, will commit in a few minutes. Thanks! IndexHelper.skipBloomFilters won't skip non-SHA filters --- Key: CASSANDRA-5385 URL: https://issues.apache.org/jira/browse/CASSANDRA-5385 Project: Cassandra Issue Type: Bug Affects Versions: 2.0 Reporter: Carl Yeksigian Assignee: Carl Yeksigian Fix For: 2.0 Attachments: 5385.patch Currently, if the bloom filter is not of SHA type, we do not properly skip the bytes. We need to read out the number of bytes, as happens in the Murmur deserializer, then skip that many bytes instead of just skipping the hash size. The version needs to be passed into the method as well, so that it knows what type of index it is, and does the appropriate skipping. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Created] (CASSANDRA-5386) CQL Not Handling Descending Clustering Order On A timeuuid Correctly
Gareth Collins created CASSANDRA-5386:
-
Summary: CQL Not Handling Descending Clustering Order On A
timeuuid Correctly
Key: CASSANDRA-5386
URL: https://issues.apache.org/jira/browse/CASSANDRA-5386
Project: Cassandra
Issue Type: Bug
Affects Versions: 1.2.3
Environment: Apache Cassandra 1.2.3, Mac OS X (Lion), cql 3
Reporter: Gareth Collins
I raised this issue as a question in the mailing list:
http://www.mail-archive.com/user@cassandra.apache.org/msg28787.html
If I create a table (cqlsh) with the following schema:
CREATE TABLE mytable ( column1 text,
column2 text,
messageId timeuuid,
message blob,
PRIMARY KEY ((column1, column2), messageId));
I can quite happily add rows to this table:
insert into client_queue (column1,column2,messageId,message) VALUES
('string1','string2',now(),'ABCCDCC123');
If I however create a table with a desc clustering order on messageid:
CREATE TABLE mytable ( column1 text,
column2 text,
messageId timeuuid,
message blob,
PRIMARY KEY ((column1, column2), messageId)) WITH CLUSTERING
ORDER BY (messageId DESC);
Inserts are failing. I am getting the following error:
insert into client_queue2 (column1,column2,messageId,message) VALUES
('string1','string2',now(),'ABCCDCC123');
I get the following error:
Bad Request: Type error: cannot assign result of function now (type
timeuuid) to messageid (type
'org.apache.cassandra.db.marshal.ReversedType(org.apache.cassandra.db.marshal.TimeUUIDType)')
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[Cassandra Wiki] Trivial Update of TyroneMel by TyroneMel
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[jira] [Commented] (CASSANDRA-5158) Compaction fails after hours of frequent updates
[ https://issues.apache.org/jira/browse/CASSANDRA-5158?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13614494#comment-13614494 ] Tommi Koivula commented on CASSANDRA-5158: -- This bug is already resolved as Cannot Reproduce so just to share with you that I was able to track down the the cause... It was a key longer than 64 KB (the maximum length of a key according to documentation) that corrupted the data. The row with long key was successfully inserted directly via StorageProxy API and the row was even retrieved successfully later, but the data become corrupted on disk in the background. I know it is recommended to use higher level interfaces instead of StorageProxy but still it sounds dangerous that there appears to be no validation of keys at that level leaving Cassandra vulnerable for data corruption. With Thrift a key too long produces an error as expected: InvalidRequestException(why:Key length of 10 is longer than maximum of 65535) Compaction fails after hours of frequent updates Key: CASSANDRA-5158 URL: https://issues.apache.org/jira/browse/CASSANDRA-5158 Project: Cassandra Issue Type: Bug Affects Versions: 1.1.8 Environment: Virtualized Ubuntu 12.04 (linux 2.6.18-274.3.1.el5), SAN disk, tested with Sun JRE 1.6.0_24 and 1.6.0_38-b05, 8 Gb of RAM Reporter: Tommi Koivula A data corruption occurs in one of our customer's environment after ~10 hours of running with constant update-load (1-2 writes/sec). Compaction of one of the column families start failing after about 10 hours and scrub is not able to fix it either. Writes are not producing any errors and compaction of other column families works fine. We are not doing any reads at this stage and always started from a fresh cassandra instance (no data) during startup. After failure we have tried to restart Cassandra, which succeeds, and to retrieve all keys, which fails with similar error. Cassandra configuration is the default except for directory locations. The number of rows in the table is always less than 100k and doesn't increase as our application is purging old data in hourly basis. The problematic table is very simple with only one column: CREATE TABLE xxx ( KEY uuid PRIMARY KEY, value text) WITH gc_grace_seconds=0; We have tried enabling and disabling JNA without affect on this. JRE was also upgraded to 1.6.0_38-b05 with no change. The problem reproduces every time at some point but we haven't being able to reproduce it faster so it seems to require running several hours of updates. We had this problem with Cassandra 1.1.0 and upgraded to 1.1.8 but the upgrade didn't fix it. The cluster has only one node so the application is suffering a total data loss. Error message varies a bit in different runs, here is two produced by two different Cassandra 1.1.8 runs: [CompactionExecutor:15]|||Exception in thread Thread[CompactionExecutor:15,1,main] java.lang.NegativeArraySizeException: null at org.apache.cassandra.io.sstable.IndexHelper.skipBloomFilter(IndexHelper.java:57) at org.apache.cassandra.io.sstable.SSTableIdentityIterator.init(SSTableIdentityIterator.java:144) at org.apache.cassandra.io.sstable.SSTableIdentityIterator.init(SSTableIdentityIterator.java:86) at org.apache.cassandra.io.sstable.SSTableIdentityIterator.init(SSTableIdentityIterator.java:70) at org.apache.cassandra.io.sstable.SSTableScanner$KeyScanningIterator.next(SSTableScanner.java:189) at org.apache.cassandra.io.sstable.SSTableScanner$KeyScanningIterator.next(SSTableScanner.java:153) at org.apache.cassandra.io.sstable.SSTableScanner.next(SSTableScanner.java:145) at org.apache.cassandra.io.sstable.SSTableScanner.next(SSTableScanner.java:40) at org.apache.cassandra.utils.MergeIterator$Candidate.advance(MergeIterator.java:149) at org.apache.cassandra.utils.MergeIterator$ManyToOne.advance(MergeIterator.java:126) at org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:100) at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140) at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135) at com.google.common.collect.Iterators$7.computeNext(Iterators.java:614) at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140) at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135) at org.apache.cassandra.db.compaction.CompactionTask.execute(CompactionTask.java:173) at
[Cassandra Wiki] Trivial Update of VanfloTlu by VanfloTlu
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[jira] [Commented] (CASSANDRA-5158) Compaction fails after hours of frequent updates
[ https://issues.apache.org/jira/browse/CASSANDRA-5158?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13614504#comment-13614504 ] Jonathan Ellis commented on CASSANDRA-5158: --- Thanks for the followup. For the normal case (using Thrift or CQL on top of StorageProxy), re-validating at the SP layer what has already been validated above would be wasteful. So, if you want to use SP, I don't see any way around saying you have to take responsibility for the validation you're skipping. Compaction fails after hours of frequent updates Key: CASSANDRA-5158 URL: https://issues.apache.org/jira/browse/CASSANDRA-5158 Project: Cassandra Issue Type: Bug Affects Versions: 1.1.8 Environment: Virtualized Ubuntu 12.04 (linux 2.6.18-274.3.1.el5), SAN disk, tested with Sun JRE 1.6.0_24 and 1.6.0_38-b05, 8 Gb of RAM Reporter: Tommi Koivula A data corruption occurs in one of our customer's environment after ~10 hours of running with constant update-load (1-2 writes/sec). Compaction of one of the column families start failing after about 10 hours and scrub is not able to fix it either. Writes are not producing any errors and compaction of other column families works fine. We are not doing any reads at this stage and always started from a fresh cassandra instance (no data) during startup. After failure we have tried to restart Cassandra, which succeeds, and to retrieve all keys, which fails with similar error. Cassandra configuration is the default except for directory locations. The number of rows in the table is always less than 100k and doesn't increase as our application is purging old data in hourly basis. The problematic table is very simple with only one column: CREATE TABLE xxx ( KEY uuid PRIMARY KEY, value text) WITH gc_grace_seconds=0; We have tried enabling and disabling JNA without affect on this. JRE was also upgraded to 1.6.0_38-b05 with no change. The problem reproduces every time at some point but we haven't being able to reproduce it faster so it seems to require running several hours of updates. We had this problem with Cassandra 1.1.0 and upgraded to 1.1.8 but the upgrade didn't fix it. The cluster has only one node so the application is suffering a total data loss. Error message varies a bit in different runs, here is two produced by two different Cassandra 1.1.8 runs: [CompactionExecutor:15]|||Exception in thread Thread[CompactionExecutor:15,1,main] java.lang.NegativeArraySizeException: null at org.apache.cassandra.io.sstable.IndexHelper.skipBloomFilter(IndexHelper.java:57) at org.apache.cassandra.io.sstable.SSTableIdentityIterator.init(SSTableIdentityIterator.java:144) at org.apache.cassandra.io.sstable.SSTableIdentityIterator.init(SSTableIdentityIterator.java:86) at org.apache.cassandra.io.sstable.SSTableIdentityIterator.init(SSTableIdentityIterator.java:70) at org.apache.cassandra.io.sstable.SSTableScanner$KeyScanningIterator.next(SSTableScanner.java:189) at org.apache.cassandra.io.sstable.SSTableScanner$KeyScanningIterator.next(SSTableScanner.java:153) at org.apache.cassandra.io.sstable.SSTableScanner.next(SSTableScanner.java:145) at org.apache.cassandra.io.sstable.SSTableScanner.next(SSTableScanner.java:40) at org.apache.cassandra.utils.MergeIterator$Candidate.advance(MergeIterator.java:149) at org.apache.cassandra.utils.MergeIterator$ManyToOne.advance(MergeIterator.java:126) at org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:100) at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140) at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135) at com.google.common.collect.Iterators$7.computeNext(Iterators.java:614) at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140) at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135) at org.apache.cassandra.db.compaction.CompactionTask.execute(CompactionTask.java:173) at org.apache.cassandra.db.compaction.CompactionManager$2.runMayThrow(CompactionManager.java:164) at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at
[jira] [Created] (CASSANDRA-5387) If a hint is added for a bootstrapping node, it triggers an assertion
Jeremiah Jordan created CASSANDRA-5387:
--
Summary: If a hint is added for a bootstrapping node, it triggers
an assertion
Key: CASSANDRA-5387
URL: https://issues.apache.org/jira/browse/CASSANDRA-5387
Project: Cassandra
Issue Type: Bug
Affects Versions: 1.1.9
Reporter: Jeremiah Jordan
Priority: Minor
If hints are attempted to be generated for a node which is currently
bootstrapping, it generates an assertion:
{noformat}
DEBUG [MutationStage:6] 2013-03-26 15:08:58,640 StorageProxy.java (line 367)
Adding hint for /BOOTSTRAPPING NODE IP
ERROR [MutationStage:6] 2013-03-26 15:08:58,640 AbstractCassandraDaemon.java
(line 135) Exception in thread Thread[MutationStage:6,5,main]
java.lang.AssertionError
at
org.apache.cassandra.locator.TokenMetadata.getToken(TokenMetadata.java:304)
at
org.apache.cassandra.service.StorageProxy$5.runMayThrow(StorageProxy.java:371)
at
org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
{noformat}
--
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[jira] [Resolved] (CASSANDRA-5387) If a hint is added for a bootstrapping node, it triggers an assertion
[
https://issues.apache.org/jira/browse/CASSANDRA-5387?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Brandon Williams resolved CASSANDRA-5387.
-
Resolution: Not A Problem
We only generate hints for ring members. If hints are being generated for a
bootstrapping node, the hint generator is confused about the ring.
If a hint is added for a bootstrapping node, it triggers an assertion
-
Key: CASSANDRA-5387
URL: https://issues.apache.org/jira/browse/CASSANDRA-5387
Project: Cassandra
Issue Type: Bug
Affects Versions: 1.1.9
Reporter: Jeremiah Jordan
Priority: Minor
If hints are attempted to be generated for a node which is currently
bootstrapping, it generates an assertion:
{noformat}
DEBUG [MutationStage:6] 2013-03-26 15:08:58,640 StorageProxy.java (line 367)
Adding hint for /BOOTSTRAPPING NODE IP
ERROR [MutationStage:6] 2013-03-26 15:08:58,640 AbstractCassandraDaemon.java
(line 135) Exception in thread Thread[MutationStage:6,5,main]
java.lang.AssertionError
at
org.apache.cassandra.locator.TokenMetadata.getToken(TokenMetadata.java:304)
at
org.apache.cassandra.service.StorageProxy$5.runMayThrow(StorageProxy.java:371)
at
org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
{noformat}
--
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[jira] [Created] (CASSANDRA-5388) Windows unit tests fail due to ant/junit problem
Ryan McGuire created CASSANDRA-5388:
---
Summary: Windows unit tests fail due to ant/junit problem
Key: CASSANDRA-5388
URL: https://issues.apache.org/jira/browse/CASSANDRA-5388
Project: Cassandra
Issue Type: Bug
Affects Versions: 2.0
Environment: Windows 7
java 1.7.0_17
ant 1.9.0
Reporter: Ryan McGuire
Intermittently, but more often than not I get the following error when running
'ant test' on Windows 7:
{code}
BUILD FAILED
c:\Users\Ryan\git\cassandra3\build.xml:1121: The following error occurred while
executing this line:
c:\Users\Ryan\git\cassandra3\build.xml:1064: Using loader
AntClassLoader[C:\Program
Files\Java\apache-ant-1.9.0\lib\ant-launcher.jar;c:\Program
Files\Java\apache-ant-1.9.0\lib\ant.jar;c:\Program
Files\Java\apache-ant-1.9.0\lib\ant-junit.jar;c:\Program
[jira] [Commented] (CASSANDRA-5348) Remove row cache until we can replace it with something better
[ https://issues.apache.org/jira/browse/CASSANDRA-5348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13614610#comment-13614610 ] Jonathan Ellis commented on CASSANDRA-5348: --- How about removing on-heap cache as a compromise? Remove row cache until we can replace it with something better -- Key: CASSANDRA-5348 URL: https://issues.apache.org/jira/browse/CASSANDRA-5348 Project: Cassandra Issue Type: Task Components: Core Reporter: Jonathan Ellis Assignee: Vijay Fix For: 2.0 The row (partition) cache easily does more harm than good. People expect it to act like a query cache but it is very different than that, especially for the wide partitions that are so common in Cassandra data models. Making it off-heap by default only helped a little; we still have to deserialize the partition to the heap to query it. Ultimately we can add a better cache based on the ideas in CASSANDRA-1956 or CASSANDRA-2864, but even if we don't get to that until 2.1, removing the old row cache for 2.0 is a good idea. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[2/3] git commit: CHANGES
CHANGES Project: http://git-wip-us.apache.org/repos/asf/cassandra/repo Commit: http://git-wip-us.apache.org/repos/asf/cassandra/commit/29bea2ec Tree: http://git-wip-us.apache.org/repos/asf/cassandra/tree/29bea2ec Diff: http://git-wip-us.apache.org/repos/asf/cassandra/diff/29bea2ec Branch: refs/heads/trunk Commit: 29bea2ec148f0c6f933b5dab9323391188199370 Parents: 175b22c Author: Jonathan Ellis jbel...@apache.org Authored: Tue Mar 26 15:43:08 2013 -0500 Committer: Jonathan Ellis jbel...@apache.org Committed: Tue Mar 26 15:43:08 2013 -0500 -- CHANGES.txt |4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) -- http://git-wip-us.apache.org/repos/asf/cassandra/blob/29bea2ec/CHANGES.txt -- diff --git a/CHANGES.txt b/CHANGES.txt index 7030397..64d3196 100644 --- a/CHANGES.txt +++ b/CHANGES.txt @@ -24,6 +24,8 @@ * Rebuild BF when loading sstables if bloom_filter_fp_chance has changed since compaction (CASSANDRA-5015) * remove row-level bloom filters (CASSANDRA-4885) + * Change Kernel Page Cache skipping into row preheating (disabled by default) + (CASSANDRA-4937) 1.2.4 @@ -35,8 +37,6 @@ * Improve asynchronous hint delivery (CASSANDRA-5179) * Fix Guava dependency version (12.0 - 13.0.1) for Maven (CASSANDRA-5364) * Validate that provided CQL3 collection value are 64K (CASSANDRA-5355) - * Change Kernel Page Cache skipping into row preheating (disabled by default) - (CASSANDRA-4937) * Make upgradeSSTable skip current version sstables by default (CASSANDRA-5366) * Optimize min/max timestamp collection (CASSANDRA-5373) Merged from 1.1:
[3/3] git commit: clean up string concatenation in logging
clean up string concatenation in logging
Project: http://git-wip-us.apache.org/repos/asf/cassandra/repo
Commit: http://git-wip-us.apache.org/repos/asf/cassandra/commit/b79b236d
Tree: http://git-wip-us.apache.org/repos/asf/cassandra/tree/b79b236d
Diff: http://git-wip-us.apache.org/repos/asf/cassandra/diff/b79b236d
Branch: refs/heads/trunk
Commit: b79b236d0009ed9c4037642d9cc3325d5f56c521
Parents: 29bea2e
Author: Jonathan Ellis jbel...@apache.org
Authored: Tue Mar 26 16:49:02 2013 -0500
Committer: Jonathan Ellis jbel...@apache.org
Committed: Tue Mar 26 16:49:02 2013 -0500
--
.../org/apache/cassandra/transport/Message.java|4 ++--
.../org/apache/cassandra/transport/Server.java |4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
--
http://git-wip-us.apache.org/repos/asf/cassandra/blob/b79b236d/src/java/org/apache/cassandra/transport/Message.java
--
diff --git a/src/java/org/apache/cassandra/transport/Message.java
b/src/java/org/apache/cassandra/transport/Message.java
index d4d3da6..a6602a0 100644
--- a/src/java/org/apache/cassandra/transport/Message.java
+++ b/src/java/org/apache/cassandra/transport/Message.java
@@ -274,14 +274,14 @@ public abstract class Message
ServerConnection connection =
(ServerConnection)request.connection();
connection.validateNewMessage(request.type);
-logger.debug(Received: + request);
+logger.debug(Received: {}, request);
Response response =
request.execute(connection.getQueryState(request.getStreamId()));
response.setStreamId(request.getStreamId());
response.attach(connection);
connection.applyStateTransition(request.type, response.type);
-logger.debug(Responding: + response);
+logger.debug(Responding: {}, response);
ctx.getChannel().write(response);
}
http://git-wip-us.apache.org/repos/asf/cassandra/blob/b79b236d/src/java/org/apache/cassandra/transport/Server.java
--
diff --git a/src/java/org/apache/cassandra/transport/Server.java
b/src/java/org/apache/cassandra/transport/Server.java
index 68160c6..bf28b2b 100644
--- a/src/java/org/apache/cassandra/transport/Server.java
+++ b/src/java/org/apache/cassandra/transport/Server.java
@@ -132,7 +132,7 @@ public class Server implements CassandraDaemon.Server
}
// Bind and start to accept incoming connections.
-logger.info(Starting listening for CQL clients on + socket + ...);
+logger.info(Starting listening for CQL clients on {}..., socket);
Channel channel = bootstrap.bind(socket);
connectionTracker.allChannels.add(channel);
}
@@ -292,7 +292,7 @@ public class Server implements CassandraDaemon.Server
{
// That should not happen, so log an error, but return the
// endpoint address since there's a good change this is right
-logger.error(Problem retrieving RPC address for + endpoint,
e);
+logger.error(Problem retrieving RPC address for %s,
endpoint, e);
return endpoint;
}
}
[1/3] git commit: cleanup
Updated Branches:
refs/heads/trunk b114ce74c - b79b236d0
cleanup
Project: http://git-wip-us.apache.org/repos/asf/cassandra/repo
Commit: http://git-wip-us.apache.org/repos/asf/cassandra/commit/175b22c1
Tree: http://git-wip-us.apache.org/repos/asf/cassandra/tree/175b22c1
Diff: http://git-wip-us.apache.org/repos/asf/cassandra/diff/175b22c1
Branch: refs/heads/trunk
Commit: 175b22c153c9a0dee6f1c61df7ad9f93c1fb0128
Parents: b114ce7
Author: Jonathan Ellis jbel...@apache.org
Authored: Tue Mar 26 15:42:58 2013 -0500
Committer: Jonathan Ellis jbel...@apache.org
Committed: Tue Mar 26 15:42:58 2013 -0500
--
.../cassandra/net/OutboundTcpConnection.java | 17 +++
1 files changed, 8 insertions(+), 9 deletions(-)
--
http://git-wip-us.apache.org/repos/asf/cassandra/blob/175b22c1/src/java/org/apache/cassandra/net/OutboundTcpConnection.java
--
diff --git a/src/java/org/apache/cassandra/net/OutboundTcpConnection.java
b/src/java/org/apache/cassandra/net/OutboundTcpConnection.java
index 0cc974f..dce3711 100644
--- a/src/java/org/apache/cassandra/net/OutboundTcpConnection.java
+++ b/src/java/org/apache/cassandra/net/OutboundTcpConnection.java
@@ -183,12 +183,11 @@ public class OutboundTcpConnection extends Thread
Tracing.instance().stopIfNonLocal(state);
}
-write(qm.message, qm.id, qm.timestamp, out, targetVersion);
+writeInternal(qm.message, qm.id, qm.timestamp);
+
completed++;
if (active.peek() == null)
-{
out.flush();
-}
}
catch (Exception e)
{
@@ -201,28 +200,28 @@ public class OutboundTcpConnection extends Thread
}
}
-public static void write(MessageOut message, int id, long timestamp,
DataOutputStream out, int version) throws IOException
+private void writeInternal(MessageOut message, int id, long timestamp)
throws IOException
{
out.writeInt(MessagingService.PROTOCOL_MAGIC);
-if (version MessagingService.VERSION_12)
+if (targetVersion MessagingService.VERSION_12)
{
-writeHeader(out, version, false);
+writeHeader(out, targetVersion, false);
// 0.8 included a total message size int. 1.0 doesn't need it but
expects it to be there.
out.writeInt(-1);
}
-if (version MessagingService.VERSION_20)
+if (targetVersion MessagingService.VERSION_20)
out.writeUTF(String.valueOf(id));
else
out.writeInt(id);
-if (version = MessagingService.VERSION_12)
+if (targetVersion = MessagingService.VERSION_12)
{
// int cast cuts off the high-order half of the timestamp, which
we can assume remains
// the same between now and when the recipient reconstructs it.
out.writeInt((int) timestamp);
}
-message.serialize(out, version);
+message.serialize(out, targetVersion);
}
private static void writeHeader(DataOutputStream out, int version, boolean
compressionEnabled) throws IOException
[jira] [Updated] (CASSANDRA-5164) Invalid streamId in cql binary protocol when using invalid CL
[ https://issues.apache.org/jira/browse/CASSANDRA-5164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pierre Chalamet updated CASSANDRA-5164: --- Attachment: 5164-2.txt fix invalid cast Invalid streamId in cql binary protocol when using invalid CL - Key: CASSANDRA-5164 URL: https://issues.apache.org/jira/browse/CASSANDRA-5164 Project: Cassandra Issue Type: Bug Components: API Affects Versions: 1.2.0 Environment: Windows 8, java version 1.6.0_37 x86 Reporter: Pierre Chalamet Assignee: Sylvain Lebresne Priority: Minor Fix For: 1.2.4 Attachments: 5164-2.txt, 5164.txt Execute a query using invalid CL (0x100 for example) The response comes but does not use the request streamId (always 0). -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Commented] (CASSANDRA-5164) Invalid streamId in cql binary protocol when using invalid CL
[
https://issues.apache.org/jira/browse/CASSANDRA-5164?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13614627#comment-13614627
]
Pierre Chalamet commented on CASSANDRA-5164:
The patch would be better by inverting lines 202 203 in ErrorMessage.java:
{code}
public static ErrorMessage fromException(Throwable e)
...
streamId = ((WrappedException)e).streamId;
e = e.getCause();
{code}
Otherwise, an invalid cast is raised. Patch enclosed - I've tested it and
exception nicely flows to the client using the right stream id.
Invalid streamId in cql binary protocol when using invalid CL
-
Key: CASSANDRA-5164
URL: https://issues.apache.org/jira/browse/CASSANDRA-5164
Project: Cassandra
Issue Type: Bug
Components: API
Affects Versions: 1.2.0
Environment: Windows 8, java version 1.6.0_37 x86
Reporter: Pierre Chalamet
Assignee: Sylvain Lebresne
Priority: Minor
Fix For: 1.2.4
Attachments: 5164-2.txt, 5164.txt
Execute a query using invalid CL (0x100 for example)
The response comes but does not use the request streamId (always 0).
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
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git commit: inline AbstractColumnContainer and IIterableColumns
Updated Branches:
refs/heads/trunk b79b236d0 - 255db5006
inline AbstractColumnContainer and IIterableColumns
Project: http://git-wip-us.apache.org/repos/asf/cassandra/repo
Commit: http://git-wip-us.apache.org/repos/asf/cassandra/commit/255db500
Tree: http://git-wip-us.apache.org/repos/asf/cassandra/tree/255db500
Diff: http://git-wip-us.apache.org/repos/asf/cassandra/diff/255db500
Branch: refs/heads/trunk
Commit: 255db5006d5d164a70c6bbdcf2bacb648170068d
Parents: b79b236
Author: Jonathan Ellis jbel...@apache.org
Authored: Tue Mar 26 17:39:47 2013 -0500
Committer: Jonathan Ellis jbel...@apache.org
Committed: Tue Mar 26 17:39:47 2013 -0500
--
.../cassandra/db/AbstractColumnContainer.java | 205 ---
src/java/org/apache/cassandra/db/ColumnFamily.java | 182 --
.../org/apache/cassandra/db/ISortedColumns.java|8 +-
.../apache/cassandra/io/util/IIterableColumns.java | 28 --
.../org/apache/cassandra/tools/SSTableExport.java | 20 +-
.../org/apache/cassandra/tools/SSTableImport.java |3 +-
6 files changed, 179 insertions(+), 267 deletions(-)
--
http://git-wip-us.apache.org/repos/asf/cassandra/blob/255db500/src/java/org/apache/cassandra/db/AbstractColumnContainer.java
--
diff --git a/src/java/org/apache/cassandra/db/AbstractColumnContainer.java
b/src/java/org/apache/cassandra/db/AbstractColumnContainer.java
deleted file mode 100644
index 1a38e4b..000
--- a/src/java/org/apache/cassandra/db/AbstractColumnContainer.java
+++ /dev/null
@@ -1,205 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * License); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an AS IS BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.cassandra.db;
-
-import java.nio.ByteBuffer;
-import java.util.Collection;
-import java.util.Iterator;
-import java.util.SortedSet;
-
-import com.google.common.base.Function;
-import com.google.common.base.Functions;
-
-import org.apache.cassandra.db.filter.ColumnSlice;
-import org.apache.cassandra.db.index.SecondaryIndexManager;
-import org.apache.cassandra.db.marshal.AbstractType;
-import org.apache.cassandra.io.util.IIterableColumns;
-import org.apache.cassandra.utils.Allocator;
-import org.apache.cassandra.utils.HeapAllocator;
-
-public abstract class AbstractColumnContainer implements IIterableColumns
-{
-protected final ISortedColumns columns;
-
-protected AbstractColumnContainer(ISortedColumns columns)
-{
-this.columns = columns;
-}
-
-public void delete(AbstractColumnContainer cc2)
-{
-delete(cc2.columns.getDeletionInfo());
-}
-
-public void delete(DeletionInfo delInfo)
-{
-columns.delete(delInfo);
-}
-
-// Contrarily to delete(), this will use the provided info even if those
-// are older that the current ones. Used for SuperColumn in QueryFilter.
-// delete() is probably the right method in all other cases.
-public void setDeletionInfo(DeletionInfo delInfo)
-{
-columns.setDeletionInfo(delInfo);
-}
-
-public boolean isMarkedForDelete()
-{
-return !deletionInfo().isLive();
-}
-
-public DeletionInfo deletionInfo()
-{
-return columns.getDeletionInfo();
-}
-
-public AbstractType? getComparator()
-{
-return columns.getComparator();
-}
-
-/**
- * Drops expired row-level tombstones. Normally, these are dropped once
the row no longer exists, but
- * if new columns are inserted into the row post-deletion, they can keep
the row tombstone alive indefinitely,
- * with non-intuitive results. See
https://issues.apache.org/jira/browse/CASSANDRA-2317
- */
-public void maybeResetDeletionTimes(int gcBefore)
-{
-columns.maybeResetDeletionTimes(gcBefore);
-}
-
-public long addAllWithSizeDelta(AbstractColumnContainer cc, Allocator
allocator, FunctionColumn, Column transformation,
SecondaryIndexManager.Updater indexer)
-{
-return columns.addAllWithSizeDelta(cc.columns, allocator,
transformation, indexer);
-}
-
-public void addAll(AbstractColumnContainer cc, Allocator
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[jira] [Commented] (CASSANDRA-5348) Remove row cache until we can replace it with something better
[ https://issues.apache.org/jira/browse/CASSANDRA-5348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13614782#comment-13614782 ] Jason Brown commented on CASSANDRA-5348: Still looking for some blood, huh :) ? I think that is a reasonable compromise, as we resolve some technical debt yet retain the better part of that implementation (the off heap part). So, +1 to [~jbellis]'s suggestion. Remove row cache until we can replace it with something better -- Key: CASSANDRA-5348 URL: https://issues.apache.org/jira/browse/CASSANDRA-5348 Project: Cassandra Issue Type: Task Components: Core Reporter: Jonathan Ellis Assignee: Vijay Fix For: 2.0 The row (partition) cache easily does more harm than good. People expect it to act like a query cache but it is very different than that, especially for the wide partitions that are so common in Cassandra data models. Making it off-heap by default only helped a little; we still have to deserialize the partition to the heap to query it. Ultimately we can add a better cache based on the ideas in CASSANDRA-1956 or CASSANDRA-2864, but even if we don't get to that until 2.1, removing the old row cache for 2.0 is a good idea. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
