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Posted to issues@hbase.apache.org by "Jeongdae Kim (JIRA)" <ji...@apache.org> on 2019/07/19 07:29:00 UTC

[jira] [Created] (HBASE-22715) Use scan queues/executors for scans, when RWQueueRpcExecutor used

Jeongdae Kim created HBASE-22715:
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             Summary: Use scan queues/executors for scans, when RWQueueRpcExecutor used
                 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


When we use RWQueueRpcExecutor, all scans should be handled by scan handler threads, not read handler.

 

https://issues.apache.org/jira/browse/HBASE-17508

Before this patch, 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 the patch, 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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