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https://issues.apache.org/jira/browse/HBASE-5141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jean-Daniel Cryans updated HBASE-5141:
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Attachment: Screen Shot 2012-01-06 at 3.03.09 PM.png
This screen shot shows how MonitoredRPCHandlerImpl are all using 6% of the heap
because they are holding on the packets.
> Memory leak in MonitoredRPCHandlerImpl
> --------------------------------------
>
> Key: HBASE-5141
> URL: https://issues.apache.org/jira/browse/HBASE-5141
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.92.0
> Reporter: Jean-Daniel Cryans
> Priority: Blocker
> Fix For: 0.92.0, 0.94.0
>
> Attachments: Screen Shot 2012-01-06 at 3.03.09 PM.png
>
>
> I got a pretty reliable way of OOME'ing my region servers. Using a big
> payload (64MB in my case), a default heap and default number of handlers,
> it's not too long that all the MonitoredRPCHandlerImpl hold on a 64MB
> reference and once a compaction kicks in it kills everything.
> The issue is that even after the RPC call is done, the packet still lives in
> MonitoredRPCHandlerImpl.
> Will attach a screen shot of jprofiler's analysis in a moment.
> This is a blocker for 0.92.0, anyone using a high number of handlers and
> bigish values will kill themselves.
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