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Ted Yu commented on HBASE-20654: -------------------------------- Test failure is reproducible: {code} testPrepareWithNoCluster(org.apache.hadoop.hbase.master.procedure.TestRecoverMetaProcedure) Time elapsed: 0.042 sec <<< ERROR! org.apache.hadoop.metrics2.MetricsException: Metrics source Master,sub=AssignmentManager already exists! at org.apache.hadoop.hbase.master.procedure.TestRecoverMetaProcedure.testPrepareWithNoCluster(TestRecoverMetaProcedure.java:99) {code} > Expose regions in transition thru JMX > ------------------------------------- > > Key: HBASE-20654 > URL: https://issues.apache.org/jira/browse/HBASE-20654 > Project: HBase > Issue Type: Improvement > Reporter: Ted Yu > Assignee: liubangchen > Priority: Major > Attachments: HBASE-20654-1.patch, HBASE-20654-2.patch > > > Currently only the count of regions in transition is exposed thru JMX. > Here is a sample snippet of the /jmx output: > {code} > { > "beans" : [ { > ... > }, { > "name" : "Hadoop:service=HBase,name=Master,sub=AssignmentManager", > "modelerType" : "Master,sub=AssignmentManager", > "tag.Context" : "master", > ... > "ritCount" : 3 > {code} > It would be desirable to expose region name, state for the regions in > transition as well. > We can place configurable upper bound on the number of entries returned in > case there're a lot of regions in transition. -- This message was sent by Atlassian JIRA (v7.6.3#76005)