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https://issues.apache.org/jira/browse/HBASE-27355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17610003#comment-17610003
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ruanhui commented on HBASE-27355:
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Oh, got it.
How about we first solving the problem of setting priorities for the master
requests, and then, as you said, file another issue to track the problem of
preventing users from setting it?
> Separate meta read requests from master and client
> ---------------------------------------------------
>
> Key: HBASE-27355
> URL: https://issues.apache.org/jira/browse/HBASE-27355
> Project: HBase
> Issue Type: Improvement
> Components: IPC/RPC
> Affects Versions: 3.0.0-alpha-3
> Reporter: ruanhui
> Assignee: ruanhui
> Priority: Minor
> Fix For: 3.0.0-alpha-4
>
>
> If we have a large number of store files in a single region or the response
> from hdfs is slow, the region transition can be slow, the client may put a
> lot of pressure on the meta server when retrying. This may block the master
> system read requests. Maybe we can set a special priority for the master
> request to isolate read requests from master and client.
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