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Date: Thu, 12 Jul 2012 10:44:35 +0000 (UTC)
From: "Rudolf VanderLeeden (JIRA)" <jira@apache.org>
To: commits@cassandra.apache.org
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Subject: [jira] [Updated] (CASSANDRA-4411) Assertion with LCS compaction
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     [ https://issues.apache.org/jira/browse/CASSANDRA-4411?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rudolf VanderLeeden updated CASSANDRA-4411:
-------------------------------------------

    Attachment: assertion.system.log
    
> Assertion with LCS compaction
> -----------------------------
>
>                 Key: CASSANDRA-4411
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4411
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 1.1.2
>            Reporter: Anton Winter
>             Fix For: 1.1.3
>
>         Attachments: assertion.system.log, system.log
>
>
> As instructed in CASSANDRA-4321 I have raised this issue as a continuation of that issue as it appears the problem still exists.
> I have repeatedly run sstablescrub across all my nodes after the 1.1.2 upgrade until sstablescrub shows no errors.  The exceptions described in CASSANDRA-4321 do not occur as frequently now but the integrity check still throws exceptions on a number of nodes.  Once those exceptions occur compactionstats shows a large number of pending tasks with no progression afterwards.
> {code}
> ERROR [CompactionExecutor:150] 2012-07-05 04:26:15,570 AbstractCassandraDaemon.java (line 134) Exception in thread Thread[CompactionExecutor:150,1,main]
> java.lang.AssertionError
>         at org.apache.cassandra.db.compaction.LeveledManifest.promote(LeveledManifest.java:214)
>         at org.apache.cassandra.db.compaction.LeveledCompactionStrategy.handleNotification(LeveledCompactionStrategy.java:158)
>         at org.apache.cassandra.db.DataTracker.notifySSTablesChanged(DataTracker.java:531)
>         at org.apache.cassandra.db.DataTracker.replaceCompactedSSTables(DataTracker.java:254)
>         at org.apache.cassandra.db.ColumnFamilyStore.replaceCompactedSSTables(ColumnFamilyStore.java:978)
>         at org.apache.cassandra.db.compaction.CompactionTask.execute(CompactionTask.java:200)
>         at org.apache.cassandra.db.compaction.LeveledCompactionTask.execute(LeveledCompactionTask.java:50)
>         at org.apache.cassandra.db.compaction.CompactionManager$1.runMayThrow(CompactionManager.java:150)
>         at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
>         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:166)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
>         at java.lang.Thread.run(Thread.java:636)
> {code}

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