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From "Jonathan Ellis (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-3758) parallel compaction hang (on large rows?)
Date Fri, 10 Feb 2012 05:05:59 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-3758?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Ellis updated CASSANDRA-3758:
--------------------------------------

      Component/s: Core
    Fix Version/s: 1.0.8
           Labels: compaction  (was: )
    
> parallel compaction hang (on large rows?)
> -----------------------------------------
>
>                 Key: CASSANDRA-3758
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3758
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Jackson Chung
>            Assignee: Sylvain Lebresne
>              Labels: compaction
>             Fix For: 1.0.8
>
>         Attachments: cassandra.log.zip
>
>
> it is observed that:
> nodetool -h 127.0.0.1 -p 8080 compactionstats
> pending tasks: 1
> compaction type keyspace column family bytes compacted bytes total progress
> Compaction SyncCoreComputedContactNetworks 119739938 0 n/a
> and that is not moving (ie the bytes compacted never increase, the bytes total stay 0).
> this is probably going to be difficult to reproduce, as the problem is observed when
compacting 15 large sstables (total ~300G).
> attaching the thread dumps (along with logs), when such happen.

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