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https://issues.apache.org/jira/browse/HBASE-9143?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13731454#comment-13731454
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Lars Hofhansl commented on HBASE-9143:
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[~khadkevich] (Somewhat unrelated) Are you using the multi threaded region 
flushing and see a benefit from it? If so, could you comment on HBASE-8752 
(backport of that feature to 0.94)? Thanks.
                
> make the number of flush thread be updated in an online fashion 
> (hbase.regionserver.flusher.count)
> --------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-9143
>                 URL: https://issues.apache.org/jira/browse/HBASE-9143
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Maksim Khadkevich
>            Priority: Minor
>
> In order to achieve online configurable, some of key HBase configuration 
> knobs needed to be updated on the fly. 
> Currently, HBase can be configured to flush multiple Region's memstore in 
> parallel.  And this task is to make the number of flush thread be updated in 
> an online fashion (hbase.regionserver.flusher.count).  

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