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https://issues.apache.org/jira/browse/CASSANDRA-3306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13161076#comment-13161076
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Joe Siegrist commented on CASSANDRA-3306:
-----------------------------------------
Running under 1.0.4, can easily reproduce this by just kicking of a repair of
any LeveledCompactionStrategy CF.
The 'zero' on the assert indicates the value (added that to the code to see
what the value was):
java.lang.AssertionError: 0
at
org.apache.cassandra.db.compaction.LeveledManifest.promote(LeveledManifest.java:178)
at
org.apache.cassandra.db.compaction.LeveledCompactionStrategy.handleNotification(LeveledCompactionStrategy.java:141)
at
org.apache.cassandra.db.DataTracker.notifySSTablesChanged(DataTracker.java:481)
at org.apache.cassandra.db.DataTracker.replace(DataTracker.java:275)
at org.apache.cassandra.db.DataTracker.addSSTables(DataTracker.java:237)
at
org.apache.cassandra.db.DataTracker.addStreamedSSTable(DataTracker.java:242)
at
org.apache.cassandra.db.ColumnFamilyStore.addSSTable(ColumnFamilyStore.java:920)
at
org.apache.cassandra.streaming.StreamInSession.closeIfFinished(StreamInSession.java:141)
at
org.apache.cassandra.streaming.IncomingStreamReader.read(IncomingStreamReader.java:103)
at
org.apache.cassandra.net.IncomingTcpConnection.stream(IncomingTcpConnection.java:184)
at
org.apache.cassandra.net.IncomingTcpConnection.run(IncomingTcpConnection.java:81)
Relevant lines from system.log leading up the it:
INFO [FlushWriter:794] 2011-12-01 14:23:22,966 Memtable.java (line 275)
Completed flushing /var/lib/cassandra/data/sso/Sessions-hc-12524-Data.db
(1119784 bytes)
INFO [CompactionExecutor:2379] 2011-12-01 14:23:22,969 CompactionTask.java
(line 112) Compacting
[SSTableReader(path='/var/lib/cassandra/data/sso/Sessions-hc-12501-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/sso/Sessions-hc-12517-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/sso/Sessions-hc-12513-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/sso/Sessions-hc-12512-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/sso/Sessions-hc-12502-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/sso/Sessions-hc-12507-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/sso/Sessions-hc-12519-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/sso/Sessions-hc-12500-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/sso/Sessions-hc-12508-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/sso/Sessions-hc-12504-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/sso/Sessions-hc-12510-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/sso/Sessions-hc-12515-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/sso/Sessions-hc-12509-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/sso/Sessions-hc-12524-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/sso/Sessions-hc-12514-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/sso/Sessions-hc-12518-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/sso/Sessions-hc-12505-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/sso/Sessions-hc-12516-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/sso/Sessions-hc-12511-Data.db'),
SSTableReader(path='/var/lib/cassandra/data/sso/Sessions-hc-12506-Data.db')]
INFO [AntiEntropyStage:1] 2011-12-01 14:25:06,321 AntiEntropyService.java
(line 186) [repair #ea080b70-1c51-11e1-0000-692e0c239dfd] Received merkle tree
for Sessions from /xxxxxxxx
ERROR [Thread-177] 2011-12-01 14:25:17,863 AbstractCassandraDaemon.java (line
133) Fatal exception in thread Thread[Thread-177,5,main]
java.lang.AssertionError: 0 [see above]
If you want more let me know I can reproduce instantly.
> Error in LeveledCompactionStrategy
> ----------------------------------
>
> Key: CASSANDRA-3306
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3306
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 1.0.0
> Reporter: Radim Kolar
> Fix For: 1.0.6
>
>
> during stress testing, i always get this error making leveledcompaction
> strategy unusable. Should be easy to reproduce - just write fast.
> ERROR [CompactionExecutor:6] 2011-10-04 15:48:52,179
> AbstractCassandraDaemon.java (line 133) Fatal exception in thread
> Thread[CompactionExecutor:6,5,main]
> java.lang.AssertionError
> at
> org.apache.cassandra.db.DataTracker$View.newSSTables(DataTracker.java:580)
> at
> org.apache.cassandra.db.DataTracker$View.replace(DataTracker.java:546)
> at org.apache.cassandra.db.DataTracker.replace(DataTracker.java:268)
> at
> org.apache.cassandra.db.DataTracker.replaceCompactedSSTables(DataTracker.java:232)
> at
> org.apache.cassandra.db.ColumnFamilyStore.replaceCompactedSSTables(ColumnFamilyStore.java:960)
> at
> org.apache.cassandra.db.compaction.CompactionTask.execute(CompactionTask.java:199)
> at
> org.apache.cassandra.db.compaction.LeveledCompactionTask.execute(LeveledCompactionTask.java:47)
> at
> org.apache.cassandra.db.compaction.CompactionManager$1.call(CompactionManager.java:131)
> at
> org.apache.cassandra.db.compaction.CompactionManager$1.call(CompactionManager.java:114)
> at java.util.concurrent.FutureTask$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)
> and this is in json data for table:
> {
> "generations" : [ {
> "generation" : 0,
> "members" : [ 459, 460, 461, 462, 463, 464, 465, 466, 467, 468, 469, 470,
> 471, 472, 473, 474, 475, 476, 477, 478, 479, 480, 481, 482, 483, 484 ]
> }, {
> "generation" : 1,
> "members" : [ ]
> }, {
> "generation" : 2,
> "members" : [ ]
> }, {
> "generation" : 3,
> "members" : [ ]
> }, {
> "generation" : 4,
> "members" : [ ]
> }, {
> "generation" : 5,
> "members" : [ ]
> }, {
> "generation" : 6,
> "members" : [ ]
> }, {
> "generation" : 7,
> "members" : [ ]
> } ]
> }
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