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Hudson commented on HBASE-5533: ------------------------------- Integrated in HBase-TRUNK #2953 (See [https://builds.apache.org/job/HBase-TRUNK/2953/]) HBASE-6131 Add attribution for code added by HBASE-5533 metrics (Revision 1344299) Result = FAILURE stack : Files : * /hbase/trunk/hbase-server/pom.xml * /hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/metrics/histogram/ExponentiallyDecayingSample.java * /hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/metrics/histogram/MetricsHistogram.java * /hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/metrics/histogram/Sample.java * /hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/metrics/histogram/Snapshot.java * /hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/metrics/histogram/UniformSample.java * /hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerMetrics.java * /hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/metrics/TestExponentiallyDecayingSample.java * /hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/metrics/TestMetricsHistogram.java * /hbase/trunk/pom.xml > Add more metrics to HBase > ------------------------- > > Key: HBASE-5533 > URL: https://issues.apache.org/jira/browse/HBASE-5533 > Project: HBase > Issue Type: Improvement > Affects Versions: 0.92.2, 0.94.0 > Reporter: Shaneal Manek > Assignee: Shaneal Manek > Priority: Minor > Fix For: 0.92.2, 0.94.0, 0.96.0 > > Attachments: BlockingQueueContention.java, HBASE-5533-0.92-v4.patch, > HBASE-5533-TRUNK-v6.patch, HBASE-5533-TRUNK-v6.patch, > HBASE-5533-v7-0.92.patch, TimingOverhead.java, hbase-5533-0.92.patch, > hbase5533-0.92-v2.patch, hbase5533-0.92-v3.patch, hbase5533-0.92-v5.patch, > histogram_web_ui.png > > > To debug/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