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https://issues.apache.org/jira/browse/HBASE-15470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15215495#comment-15215495
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Anoop Sam John commented on HBASE-15470:
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Added new config 'hbase.ipc.server.priority.max.callqueue.length'. Mind adding
a release notes?
> Add a setting for Priority queue length
> ---------------------------------------
>
> Key: HBASE-15470
> URL: https://issues.apache.org/jira/browse/HBASE-15470
> Project: HBase
> Issue Type: Improvement
> Components: IPC/RPC, Region Assignment
> Affects Versions: 1.2.0
> Reporter: Elliott Clark
> Assignee: Elliott Clark
> Fix For: 2.0.0, 1.3.0
>
> Attachments: HBASE-15470.patch
>
>
> Meta can have very different request rates than any other region. We
> shouldn't use the same call queue length.
> For example:
> If a normal request takes 100ms ( long scan or large get )
> but a call to meta is all in memory so it takes < 1ms
> So a call queue length of 100 represents multiple seconds of work for normal
> requests, but less than a second for meta.
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