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https://issues.apache.org/jira/browse/HBASE-17765?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15907584#comment-15907584
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Ted Yu commented on HBASE-17765:
--------------------------------

updateRegionSize is added to swap() as new parameter - without explanation in 
@param javadoc.
{code}
    if (closeSuffix && region != null) {
{code}
closeSuffix above is changed to updateRegionSize in the patch.

Can you add some comment for the change ?

> Reviving the merge possibility in the CompactingMemStore
> --------------------------------------------------------
>
>                 Key: HBASE-17765
>                 URL: https://issues.apache.org/jira/browse/HBASE-17765
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Anastasia Braginsky
>            Assignee: Anastasia Braginsky
>             Fix For: 2.0.0
>
>         Attachments: HBASE-17765-V01.patch
>
>
> According to the new performance results presented in the HBASE-16417 we see 
> that the read latency of the 90th percentile of the BASIC policy is too big 
> due to the need to traverse through too many segments in the pipeline. In 
> this JIRA we correct the bug in the merge sizing calculations and allow 
> pipeline size threshold to be a configurable parameter.



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