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https://issues.apache.org/jira/browse/HBASE-4686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13137649#comment-13137649
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Mikhail Bautin commented on HBASE-4686:
---------------------------------------

Sorry for confusing file names. The most recent patch is:

https://issues.apache.org/jira/secure/attachment/12501169/HBASE-4686-jira-89-fb-Fix-per-store-metrics-aggregat-20111027152723-05bea421.patch
                
> [89-fb] Fix per-store metrics aggregation 
> ------------------------------------------
>
>                 Key: HBASE-4686
>                 URL: https://issues.apache.org/jira/browse/HBASE-4686
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Mikhail Bautin
>            Assignee: Mikhail Bautin
>         Attachments: 
> HBASE-4686-TestRegionServerMetics-and-Store-metric-a-20111027134023-cc718144.patch,
>  
> HBASE-4686-jira-89-fb-Fix-per-store-metrics-aggregat-20111027152723-05bea421.patch
>
>
> In r1182034 per-Store metrics were broken, because the aggregation of 
> StoreFile metrics over all stores in a region was replaced by overriding them 
> every time. We saw these metrics drop by a factor of numRegions on a 
> production cluster -- thanks to Kannan for noticing this!  We need to fix the 
> metrics and add a unit test to ensure regressions like this don't happen in 
> the future.

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