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https://issues.apache.org/jira/browse/HBASE-3507?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13005529#comment-13005529
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Ted Yu commented on HBASE-3507:
-------------------------------
HRegion.startRegionOperation() is called in many methods, such as
checkAndMutate(), delete(Delete delete, Integer lockid, boolean writeToWAL),
increment().
For item 2, the intent is to record the count at HRegion level so that we have
more accurate measure for region server load.
> requests count per HRegion and rebalance command
> ------------------------------------------------
>
> Key: HBASE-3507
> URL: https://issues.apache.org/jira/browse/HBASE-3507
> Project: HBase
> Issue Type: Improvement
> Components: performance, regionserver
> Reporter: Sebastian Bauer
> Assignee: Ted Yu
> Priority: Trivial
> Attachments: hbase-3507-split-merge.txt, hbase-3507-splitTxn.txt,
> hbase-3507-v4.txt, hbase-requestsCount-2.patch, hbase-requestsCount-v2.patch,
> hbase-requestsCount.patch
>
>
> Path-1 add another mertic for HRegion to count request made to region.
> Path-2 add another command to hbase shell to grab all regions, sort by
> requests from Path-1 and move in round-robin algorithm to servers
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