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From "dzcxzl (Jira)" <j...@apache.org>
Subject [jira] [Created] (YARN-10462) Configurable shutdown cleanup slop
Date Thu, 15 Oct 2020 08:39:00 GMT
dzcxzl created YARN-10462:

             Summary: Configurable shutdown cleanup slop
                 Key: YARN-10462
                 URL: https://issues.apache.org/jira/browse/YARN-10462
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: nodemanager
    Affects Versions: 3.1.0
            Reporter: dzcxzl

When stopping NM or decommission NM, stopping all containers, the waiting time is composed
of three values sleep-delay-before-sigkill+process-kill-wait+SHUTDOWN_CLEANUP_SLOP_MS (constant


The parameters of sleep-delay-before-sigkill and process-kill-wait are the time to kill a
container/process. When there are too many container lists to be killed, it is usually not
completely killed.

We can make SHUTDOWN_CLEANUP_SLOP_MS a configurable parameter, so that in some scenarios,
we can wait as long as possible to kill all containers to complete.



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