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Posted to issues@hbase.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2019/07/24 23:13:00 UTC
[jira] [Commented] (HBASE-22715) All scan requests should be
handled by scan handler threads in RWQueueRpcExecutor
[ https://issues.apache.org/jira/browse/HBASE-22715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16892266#comment-16892266 ]
Hudson commented on HBASE-22715:
--------------------------------
SUCCESS: Integrated in Jenkins build HBase-1.3-IT #605 (See [https://builds.apache.org/job/HBase-1.3-IT/605/])
HBASE-22715 All scan requests should be handled by scan handler threads (apurtell: rev 55bd5ec4137c513cabab643c2d245c4737f894a0)
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/RWQueueRpcExecutor.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/ipc/TestSimpleRpcScheduler.java
> 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, 1.4.11
>
>
> 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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