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Hudson commented on HBASE-3614: ------------------------------- Integrated in HBase-0.94-security #20 (See [https://builds.apache.org/job/HBase-0.94-security/20/]) HBASE-5836 Backport per region metrics from HBASE-3614 to 0.94.1 (Revision 1329958) Result = SUCCESS stack : Files : * /hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java * /hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java * /hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/regionserver/StoreScanner.java * /hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/regionserver/metrics/OperationMetrics.java * /hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/regionserver/metrics/RegionMetricsStorage.java * /hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerDynamicMetrics.java * /hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/regionserver/metrics/SchemaMetrics.java * /hbase/branches/0.94/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerMetrics.java > Expose per-region request rate metrics > -------------------------------------- > > Key: HBASE-3614 > URL: https://issues.apache.org/jira/browse/HBASE-3614 > Project: HBase > Issue Type: Improvement > Components: metrics, regionserver > Reporter: Gary Helmling > Assignee: Elliott Clark > Priority: Minor > Fix For: 0.96.0 > > Attachments: HBASE-3614-0.patch, HBASE-3614-1.patch, > HBASE-3614-2.patch, HBASE-3614-3.patch, HBASE-3614-4.patch, > HBASE-3614-5.patch, HBASE-3614-6.patch, HBASE-3614-7.patch, > HBASE-3614-8.patch, HBASE-3614-9.patch, Screen Shot 2012-04-17 at 2.41.27 > PM.png > > > We currently export metrics on request rates for each region server, and this > can help with identifying uneven load at a high level. But once you see a > given server under high load, you're forced to extrapolate based on your > application patterns and the data it's serving what the likely culprit is. > This can and should be much easier if we just exported request rate metrics > per-region on each server. > Dynamically updating the metrics keys based on assigned regions may pose some > minor challenges, but this seems a very valuable diagnostic tool to have > available. -- 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