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https://issues.apache.org/jira/browse/HBASE-6136?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13664812#comment-13664812
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Liu Shaohui commented on HBASE-6136:
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if we group the Get requests by RegionServer or Region, the multi gets in same
region will be executed sequentially.
What we want is that multi gets in same region can be executed in parallel to
reduce the latency. Usually the number of get in this kind of multi gets is
between 10 and 50.
> Optimize the multi get to be executed in parallel.
> --------------------------------------------------
>
> Key: HBASE-6136
> URL: https://issues.apache.org/jira/browse/HBASE-6136
> Project: HBase
> Issue Type: Improvement
> Reporter: Liyin Tang
> Attachments: HBASE-6136-trunk.patch
>
>
> Currently the multiAction will be executed by one IPC handler thread in the
> server side. It would be more efficient to optimize the multi get
> particularly to be executed in parallel since the multiget doesn't need to
> write to the WAL.
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