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https://issues.apache.org/jira/browse/HBASE-21907?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16771631#comment-16771631
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Duo Zhang commented on HBASE-21907:
-----------------------------------
OK, the problem here is that, we only have one rpc handler for dealing with
meta transition. And after this patch, the move meta region request will have
the meta priority, and the we will block until the movement is succeeded in the
handler, then we will block the report region transition request.
I think in general, low priority handlers should have the ability to execute
the requests with high priority?
> Should set priority for rpc request
> -----------------------------------
>
> Key: HBASE-21907
> URL: https://issues.apache.org/jira/browse/HBASE-21907
> Project: HBase
> Issue Type: Sub-task
> Components: asyncclient, Client
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Major
> Fix For: 3.0.0, 2.2.0, 2.3.0
>
> Attachments: HBASE-21907-v1.patch, HBASE-21907-v2.patch,
> HBASE-21907-v3.patch, HBASE-21907-v4.patch, HBASE-21907.patch
>
>
> Now in async client we just ignored the priority for RpcController.
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