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https://issues.apache.org/jira/browse/HBASE-29814?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Umesh Kumar Kumawat updated HBASE-29814:
----------------------------------------
    Description: 
As HBase operation run with snapshot isolation, Region Server can continue 
serve ongoing GET/SCAN operation. By default, for now we interrupt all the 
ongoing opertion within 60 seconds. 

Here also, only operation with IsolationLevel.READ_COMMITTED can be allowed. 
Operation with isolationLevel.READ_UNCOMMITTED should be continued only on RS 
where writes are happening. 

  was:As HBase operation run with snapshot isolation, Region Server can 
continue serve ongoing GET/SCAN operation. By default, for now we interrupt all 
the ongoing opertion within 60 seconds. 


> Allow ongoing Get/Scan operations during region closure
> -------------------------------------------------------
>
>                 Key: HBASE-29814
>                 URL: https://issues.apache.org/jira/browse/HBASE-29814
>             Project: HBase
>          Issue Type: Sub-task
>          Components: regionserver
>    Affects Versions: 3.0.0, 2.6.4, 2.5.13
>            Reporter: Umesh Kumar Kumawat
>            Assignee: Umesh Kumar Kumawat
>            Priority: Major
>
> As HBase operation run with snapshot isolation, Region Server can continue 
> serve ongoing GET/SCAN operation. By default, for now we interrupt all the 
> ongoing opertion within 60 seconds. 
> Here also, only operation with IsolationLevel.READ_COMMITTED can be allowed. 
> Operation with isolationLevel.READ_UNCOMMITTED should be continued only on RS 
> where writes are happening. 



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