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https://issues.apache.org/jira/browse/HBASE-17205?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matteo Bertozzi updated HBASE-17205:
------------------------------------
       Resolution: Fixed
    Fix Version/s: 1.4.0
                   2.0.0
           Status: Resolved  (was: Patch Available)

> Add a metric for the duration of region in transition
> -----------------------------------------------------
>
>                 Key: HBASE-17205
>                 URL: https://issues.apache.org/jira/browse/HBASE-17205
>             Project: HBase
>          Issue Type: Improvement
>          Components: Region Assignment
>    Affects Versions: 2.0.0, 1.4.0
>            Reporter: Guanghao Zhang
>            Assignee: Guanghao Zhang
>            Priority: Minor
>             Fix For: 2.0.0, 1.4.0
>
>         Attachments: HBASE-17205-branch-1.patch, HBASE-17205-v1.patch, 
> HBASE-17205-v1.patch, HBASE-17205.patch
>
>
> When work for HBASE-17178, I found there are not a metric for the overall 
> duration of region in transition. When move a region form A to B, the 
> transformation of region state is PENDING_CLOSE => CLOSING => CLOSED => 
> PENDING_OPEN => OPENING => OPENED. When transform old region state to new 
> region state, it update the time stamp to current time. So we can't get the 
> overall transformation's duration of region in transition. Add a rit duration 
> to RegionState for accumulating this metric.



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