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From "Nick Dimiduk (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-10792) RingBufferTruck does not release its payload
Date Thu, 20 Mar 2014 17:01:01 GMT

     [ https://issues.apache.org/jira/browse/HBASE-10792?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Nick Dimiduk updated HBASE-10792:

    Affects Version/s: hbase-10070

> RingBufferTruck does not release its payload
> --------------------------------------------
>                 Key: HBASE-10792
>                 URL: https://issues.apache.org/jira/browse/HBASE-10792
>             Project: HBase
>          Issue Type: Bug
>          Components: Performance, wal
>    Affects Versions: 0.99.0, hbase-10070
>            Reporter: Nick Dimiduk
>            Assignee: Nick Dimiduk
>             Fix For: 0.99.0
>         Attachments: HBASE-10792.00.patch, HBASE-10792.00.patch
> Run a write-heavy workload (PerfEval sequentialWrite) out of a trunk sandbox and watch
as HBase eventually dies with an OOM: heap space. Examining the heap dump shows an extremely
large retained size of KeyValue and RingBufferTrunk instances. By my eye, the default value
of {{hbase.regionserver.wal.disruptor.event.count}} is too large for such a small default
heap size, or the RBT instances need to release their payloads after consumers retrieve them.

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