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