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From "Michael Shuler (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-6285) 2.0 HSHA server introduces corrupt data
Date Thu, 06 Mar 2014 21:35:59 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-6285?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13923104#comment-13923104
] 

Michael Shuler commented on CASSANDRA-6285:
-------------------------------------------

Both a single local hsha node and 3x node ccm cluster with hsha (jna on both) throw the above
errors after attack.jar run and restart.  The patch does appear to fix both single and ccm
cluster.  My pre-patch ccm cluster never fully restarted, but do we need logs or anything
from before/after?

> 2.0 HSHA server introduces corrupt data
> ---------------------------------------
>
>                 Key: CASSANDRA-6285
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6285
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>         Environment: 4 nodes, shortly updated from 1.2.11 to 2.0.2
>            Reporter: David Sauer
>            Assignee: Pavel Yaskevich
>            Priority: Critical
>             Fix For: 2.0.6
>
>         Attachments: 6285_testnotes1.txt, CASSANDRA-6285-disruptor-heap.patch, compaction_test.py
>
>
> After altering everything to LCS the table OpsCenter.rollups60 amd one other none OpsCenter-Table
got stuck with everything hanging around in L0.
> The compaction started and ran until the logs showed this:
> ERROR [CompactionExecutor:111] 2013-11-01 19:14:53,865 CassandraDaemon.java (line 187)
Exception in thread Thread[CompactionExecutor:111,1,RMI Runtime]
> java.lang.RuntimeException: Last written key DecoratedKey(1326283851463420237, 37382e34362e3132382e3139382d6a7576616c69735f6e6f72785f696e6465785f323031335f31305f30382d63616368655f646f63756d656e74736c6f6f6b75702d676574426c6f6f6d46696c746572537061636555736564)
>= current key DecoratedKey(954210699457429663, 37382e34362e3132382e3139382d6a7576616c69735f6e6f72785f696e6465785f323031335f31305f30382d63616368655f646f63756d656e74736c6f6f6b75702d676574546f74616c4469736b5370616365557365640b0f)
writing into /var/lib/cassandra/data/OpsCenter/rollups60/OpsCenter-rollups60-tmp-jb-58656-Data.db
> 	at org.apache.cassandra.io.sstable.SSTableWriter.beforeAppend(SSTableWriter.java:141)
> 	at org.apache.cassandra.io.sstable.SSTableWriter.append(SSTableWriter.java:164)
> 	at org.apache.cassandra.db.compaction.CompactionTask.runWith(CompactionTask.java:160)
> 	at org.apache.cassandra.io.util.DiskAwareRunnable.runMayThrow(DiskAwareRunnable.java:48)
> 	at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
> 	at org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:60)
> 	at org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:59)
> 	at org.apache.cassandra.db.compaction.CompactionManager$6.runMayThrow(CompactionManager.java:296)
> 	at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
> 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:724)
> Moving back to STC worked to keep the compactions running.
> Especialy my own Table i would like to move to LCS.
> After a major compaction with STC the move to LCS fails with the same Exception.



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