deepankar created HBASE-15525:
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Summary: Fix OutOfMemory that 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
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
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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