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Hadoop QA commented on HBASE-5533: ---------------------------------- -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 -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira