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From "Pavel Yaskevich (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-6285) LCS compaction failing with Exception
Date Thu, 06 Feb 2014 23:27:19 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-6285?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13893967#comment-13893967
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Pavel Yaskevich commented on CASSANDRA-6285:
--------------------------------------------

I see that you have it set to NONE in CF schema but have you also tried disabling it all together
in yaml? I'm not saying that it would help but trying to eliminate all possibilities. It's
just not obvious to me if it's a hsha problem how Thrift could actually be correctly interpreting
erroneous data from the socket, dispatching it the right Thrift handler and deserializing
whole mutation (and meta information) to insert it into storage...

> LCS compaction failing with Exception
> -------------------------------------
>
>                 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: Tyler Hobbs
>             Fix For: 2.0.6
>
>         Attachments: 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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