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https://issues.apache.org/jira/browse/HBASE-22715?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Purtell resolved HBASE-22715.
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Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 1.4.11
1.3.6
2.1.6
2.2.1
2.3.0
1.5.0
3.0.0
> All scan requests should be handled by scan handler threads in
> RWQueueRpcExecutor
> ---------------------------------------------------------------------------------
>
> Key: HBASE-22715
> URL: https://issues.apache.org/jira/browse/HBASE-22715
> Project: HBase
> Issue Type: Bug
> Affects Versions: 1.4.10
> Reporter: Jeongdae Kim
> Assignee: Jeongdae Kim
> Priority: Minor
> Fix For: 3.0.0, 1.5.0, 2.3.0, 2.2.1, 2.1.6, 1.3.6, 1.4.11
>
>
> When we use RWQueueRpcExecutor, all scans should be handled by scan handler
> threads, not read handler.
>
> Before HBASE-17508, when calling openScanner() in client, a region server
> doesn't make results, just open scanner and return scanner id. So, this
> request(open) is executed in read handlers intentionally.
>
> However, since HBASE-17508,, actual scan behavior happened while opening a
> scanner,
> I think this request should probably be executed in scan handlers when using
> RWQueueRpcExecutor.
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