Aleksandr Kovalenko created AMBARI-12554:
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Summary: FE: Switching between different service's configs does
not reduce DOM node and listeners count
Key: AMBARI-12554
URL: https://issues.apache.org/jira/browse/AMBARI-12554
Project: Ambari
Issue Type: Bug
Components: ambari-web
Affects Versions: 2.1.1
Reporter: Aleksandr Kovalenko
Priority: Critical
Fix For: 2.1.1
Was profiling Ambari-2.1.0 latest build and switching between service's and
their configuration tabs. The path I took was HDFS (Settings) > HDFS (Advanced)
> YARN (Settings) > YARN (Advanced) > Hive (Settings) > Hive (Advanced), and
back to HDFS.
This route resulted in 122K DOM nodes becoming 219K DOM nodes. Also 159
listeners became 606 listeners. This was after garbage collection was done. It
looks like once we go a service's configs page and leave it, we are leaving
behind DOM nodes and listeners, which keep accumulating and bloating the app.
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