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https://issues.apache.org/jira/browse/HBASE-5189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13211176#comment-13211176
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Mubarak Seyed commented on HBASE-5189:
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Tested in live cluster, works fine. Thanks.
> Add metrics to keep track of region-splits in RS
> ------------------------------------------------
>
> Key: HBASE-5189
> URL: https://issues.apache.org/jira/browse/HBASE-5189
> Project: HBase
> Issue Type: Improvement
> Components: metrics, regionserver
> Affects Versions: 0.90.5, 0.92.0
> Reporter: Mubarak Seyed
> Assignee: Mubarak Seyed
> Priority: Minor
> Labels: noob
> Fix For: 0.94.0
>
> Attachments: HBASE-5189.trunk.v1.patch, HBASE-5189.trunk.v2.patch
>
>
> For write-heavy workload with region-size 1 GB, region-split is considerably
> high. We do normally grep the NN log (grep "mkdir*.split" NN.log | sort |
> uniq -c) to get the count.
> I would like to have a counter incremented each time region-split execution
> succeeds and this counter exposed via the metrics stuff in HBase.
> - regionSplitSuccessCount
> - regionSplitFailureCount (will help us to correlate the timestamp range in
> RS logs across all RS)
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