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https://issues.apache.org/jira/browse/HBASE-15513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15206660#comment-15206660
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Vladimir Rodionov commented on HBASE-15513:
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{quote}
So, this issue should be about doing a bit of testing of at least YCSB loadings
to see that enabling the pool is beneficial all around?
{quote}
[~saint....@gmail.com] Can you explain how not reusing buffers can improve
performance and latency? I am just trying to understand magic physics of
"allocate buffer on every request" approach.
> hbase.hregion.memstore.chunkpool.maxsize is 0.0 by default
> ----------------------------------------------------------
>
> Key: HBASE-15513
> URL: https://issues.apache.org/jira/browse/HBASE-15513
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 2.0.0
> Reporter: Vladimir Rodionov
> Assignee: Vladimir Rodionov
> Fix For: 2.0.0
>
>
> That results in excessive MemStoreLAB chunk allocations because we can not
> reuse them. Not sure, why it has been disabled, by default. May be the code
> has not been tested well?
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