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https://issues.apache.org/jira/browse/HBASE-15315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15163369#comment-15163369
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Elliott Clark commented on HBASE-15315:
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+1
This will actually speed things up a pretty decent amount too as we won't be
doing group look ups before going to the executor threads.
> Remove always set super user call as high priority
> --------------------------------------------------
>
> Key: HBASE-15315
> URL: https://issues.apache.org/jira/browse/HBASE-15315
> Project: HBase
> Issue Type: Improvement
> Reporter: Yong Zhang
> Assignee: Yong Zhang
> Attachments: HBASE-15315.001.patch
>
>
> Current implementation set superuser call as ADMIN_QOS, but we have many
> customers use superuser to do normal table operation such as put/get data and
> so on. If client put much data during region assignment, RPC from HMaster may
> timeout because of no handle. so it is better to remove always set super user
> call as high priority.
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