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https://issues.apache.org/jira/browse/HBASE-5533?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13223516#comment-13223516
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Hadoop QA commented on HBASE-5533:
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-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12517268/hbase-5533-0.92.patch
against trunk revision .
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 4 new or modified tests.
-1 patch. The patch command could not apply the patch.
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/1116//console
This message is automatically generated.
> Add more metrics to HBase
> -------------------------
>
> Key: HBASE-5533
> URL: https://issues.apache.org/jira/browse/HBASE-5533
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 0.92.0
> Reporter: Shaneal Manek
> Assignee: Shaneal Manek
> Priority: Minor
> Attachments: hbase-5533-0.92.patch
>
>
> To debub/monitor production clusters, there are some more metrics I wish I
> had available.
> In particular:
> - Although the average FS latencies are useful, a 'histogram' of recent
> latencies (90% of reads completed in under 100ms, 99% in under 200ms, etc)
> would be more useful
> - Similar histograms of latencies on common operations (GET, PUT, DELETE)
> would be useful
> - Counting the number of accesses to each region to detect hotspotting
> - Exposing the current number of HLog files
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