[jira] Issue Comment Edited: (CASSANDRA-2069) Read repair causes tremendous GC pressure

["Brandon Williams (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-2069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12990343#comment-12990343 ] 

Brandon Williams edited comment on CASSANDRA-2069 at 2/3/11 10:37 PM:
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MAT indicates there are millions of pending futuretasks in StorageProxy.repairExecutor.

      was (Author: brandon.williams):
    MAT indicates there are millions of pending futuretasks in StorageService.repairExecutor.
  
> Read repair causes tremendous GC pressure
> -----------------------------------------
>
>                 Key: CASSANDRA-2069
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2069
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.7.1
>            Reporter: Brandon Williams
>             Fix For: 0.7.2
>
>
> To reproduce: start a three node cluster, insert 1M rows with stress.java and rf=2.  Take one down, delete its data, then bring it back up and issue 1M reads against it.  After the run is done you will see at least 1 STW long enough to mark the node as dead, often 4 or 5.

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