Hari Sekhon created HBASE-16636:
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Summary: Regions in Transition counts wrong (zero) in HMaster /jmx
Key: HBASE-16636
URL: https://issues.apache.org/jira/browse/HBASE-16636
Project: HBase
Issue Type: Bug
Components: UI
Affects Versions: 1.1.2
Environment: HDP 2.3.2
Reporter: Hari Sekhon
Priority: Minor
I've discovered that the Region in Transition counts are wrong in the HMaster
UI /jmx page.
The /master-status page clearly shows 3 regions stuck in transition but the
/jmx page I was monitoring reported 0 for ritCountOverThreshold.
{code}
}, {
"name" : "Hadoop:service=HBase,name=Master,sub=AssignmentManger",
"modelerType" : "Master,sub=AssignmentManger",
"tag.Context" : "master",
...
"ritOldestAge" : 0,
"ritCountOverThreshold" : 0,
...
"ritCount" : 0,
{code}
I have a nagios plugin I wrote which was checking this which I've since had to
rewrite to parse the /master-status page instead (the code is in
check_hbase_regions_stuck_in_transition.py at
https://github.com/harisekhon/nagios-plugins).
I'm attaching screenshots of both /master-status and /jmx to show the
difference in the 2 pages on the HMaster.
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