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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-7803) When compaction is interrupted, it leaves locked, undeletable files
Date Wed, 20 Aug 2014 14:46:27 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-7803?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Ellis updated CASSANDRA-7803:
--------------------------------------

    Assignee: Marcus Eriksson

> When compaction is interrupted, it leaves locked, undeletable files
> -------------------------------------------------------------------
>
>                 Key: CASSANDRA-7803
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7803
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>         Environment: RedHat, xfs4, JNA enabled, JBOD,
>            Reporter: Scooletz
>            Assignee: Marcus Eriksson
>              Labels: Comparator
>             Fix For: 2.1.1
>
>
> During tests of new features of 2.1 like: 
> - incremental repairs 
> - leveled compaction
> I interrupted a compaction, which left the following ERROR in the _system.log_
> {quote}
> org.apache.cassandra.db.compaction.CompactionInterruptedException: Compaction interrupted:
Compaction@152e6e70-1975-11e4-ba09-61f0d75c60c6(xx, xxx, 378505918/1993581634)bytes
> 	at org.apache.cassandra.db.compaction.CompactionTask.runWith(CompactionTask.java:174)
> 	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:74)
> 	at org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:59)
> 	at org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionTask.run(CompactionManager.java:235)
> 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) ~[na:1.7.0_09]
> 	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) ~[na:1.7.0_09]
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:166) ~[na:1.7.0_09]
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) ~[na:1.7.0_09]
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) [na:1.7.0_09]
> 	at java.lang.Thread.run(Thread.java:722) [na:1.7.0_09]
> {quote}
> Right after that, a cascade of reoccurring errors was being emitted till the restart:
> {quote}
> ERROR [NonPeriodicTasks:1] 2014-08-19 13:38:41,258 SSTableDeletingTask.java:81 - Unable
to delete /grid/data04/cassandra/data/xx/xxx-152e6e70197511e4ba0961f0d75c60c6/xx-xxx-ka-55058-Data.db
(it will be removed on server restart; we'll also retry after GC)
> {quote}
> which made this node blinking (noted from the other nodes gossiper log entries).
> After restart, the node is healthy and fully operational.



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