Chandni Singh created YARN-9082:
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Summary: Delay during unregistering metrics is unnecessary
Key: YARN-9082
URL: https://issues.apache.org/jira/browse/YARN-9082
Project: Hadoop YARN
Issue Type: Bug
Reporter: Chandni Singh
Assignee: Chandni Singh
Discovered while debugging YARN-9071
Quoting [~billie.rinaldi]
{quote}
I looked at YARN-3619, where the unregistration delay was added. It seems like
this was added because unregistration was performed in getMetrics, which was
causing a ConcurrentModificationException. However, unregistration was moved
from getMetrics into the finished method (in the same patch), and this leads me
to believe that the delay is never needed. I'm inclined to think we should
remove the delay entirely, but would like to hear other opinions.
{quote}
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