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https://issues.apache.org/jira/browse/HBASE-4956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13418394#comment-13418394
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Bob Copeland commented on HBASE-4956:
-------------------------------------
Yeah, buffer size doesn't really matter to our workload so out of laziness I
stuck with 8k, but a larger one should be OK. Worth noting that 8k is better
than the full length (i.e. unpatched) in my tests, presumably because of the
additional allocation overhead.
> Control direct memory buffer consumption by HBaseClient
> -------------------------------------------------------
>
> Key: HBASE-4956
> URL: https://issues.apache.org/jira/browse/HBASE-4956
> Project: HBase
> Issue Type: New Feature
> Reporter: Ted Yu
> Fix For: 0.96.0, 0.94.1
>
> Attachments: 4956.txt, thread_get.rb
>
>
> As Jonathan explained here
> https://groups.google.com/group/asynchbase/browse_thread/thread/c45bc7ba788b2357?pli=1
> , standard hbase client inadvertently consumes large amount of direct memory.
> We should consider using netty for NIO-related tasks.
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