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https://issues.apache.org/jira/browse/HBASE-17073?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Anoop Sam John updated HBASE-17073:
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Status: Patch Available (was: Open)
> Increase the max number of buffers in ByteBufferPool
> ----------------------------------------------------
>
> Key: HBASE-17073
> URL: https://issues.apache.org/jira/browse/HBASE-17073
> Project: HBase
> Issue Type: Sub-task
> Affects Versions: 2.0.0
> Reporter: Anoop Sam John
> Assignee: Anoop Sam John
> Fix For: 2.0.0
>
> Attachments: HBASE-17073.patch
>
>
> Before the HBASE-15525 issue fix, we had variable sized buffers in our buffer
> pool. The max size upto which one buffer can grow was 2 MB. Now we have
> changed it to be a fixed sized BBPool. By default 64 KB is the size of each
> buffer. But the max number of BBs allowed to be in the pool was not changed.
> ie. twice the number of handlers. May be we should be changing increasing it
> now? To make it equal to the way like 2 MB, we will need 32 * 2 * handlers.
> There is no initial #BBs any way. 2 MB is the default max response size what
> we have. And write reqs also, when it is Buffered mutator 2 MB is the default
> flush limit. We can make it to be 32 * #handlers as the def max #BBs I
> believe.
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