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https://issues.apache.org/jira/browse/HBASE-14020?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Anoop Sam John resolved HBASE-14020.
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Resolution: Fixed
Hadoop Flags: Reviewed
> Unsafe based optimized write in ByteBufferOutputStream
> ------------------------------------------------------
>
> Key: HBASE-14020
> URL: https://issues.apache.org/jira/browse/HBASE-14020
> Project: HBase
> Issue Type: Sub-task
> Components: Scanners
> Reporter: Anoop Sam John
> Assignee: Anoop Sam John
> Fix For: 2.0.0
>
> Attachments: HBASE-14020.patch, HBASE-14020_v2.patch,
> HBASE-14020_v3.patch, benchmark.zip
>
>
> We use this class to build the cellblock at RPC layer. The write operation is
> doing puts to java ByteBuffer which is having lot of overhead. Instead we can
> do Unsafe based copy to buffer operation.
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