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Posted to issues@hbase.apache.org by "deepankar (JIRA)" <ji...@apache.org> on 2016/03/24 05:54:25 UTC

[jira] [Updated] (HBASE-15525) OutOfMemory could occur when using BoundedByteBufferPool during RPC bursts

     [ https://issues.apache.org/jira/browse/HBASE-15525?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

deepankar updated HBASE-15525:
------------------------------
    Summary: OutOfMemory could occur when using BoundedByteBufferPool during RPC bursts  (was: Fix OutOfMemory that could occur when using BoundedByteBufferPool during RPC bursts)

> OutOfMemory could occur when using BoundedByteBufferPool during RPC bursts
> --------------------------------------------------------------------------
>
>                 Key: HBASE-15525
>                 URL: https://issues.apache.org/jira/browse/HBASE-15525
>             Project: HBase
>          Issue Type: Bug
>          Components: IPC/RPC
>            Reporter: deepankar
>            Assignee: Anoop Sam John
>            Priority: Critical
>
> After HBASE-13819 the system some times run out of direct memory whenever there is some network congestion or some client side issues.
> This was because of pending RPCs in the RPCServer$Connection.responseQueue and since all the responses in this queue hold a buffer for cellblock from BoundedByteBufferPool this could takeup a lot of memory if the BoundedByteBufferPool's moving average settles down towards a higher value 
> See the discussion here [HBASE-13819-comment|https://issues.apache.org/jira/browse/HBASE-13819?focusedCommentId=15207822&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15207822]



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