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From "Sihai Ke (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-9192) Deletion Taks will be picked up to delete running containers
Date Fri, 11 Jan 2019 13:14:00 GMT
Sihai Ke created YARN-9192:
------------------------------

             Summary: Deletion Taks will be picked up to delete running containers
                 Key: YARN-9192
                 URL: https://issues.apache.org/jira/browse/YARN-9192
             Project: Hadoop YARN
          Issue Type: Bug
          Components: applications
    Affects Versions: 2.9.1
            Reporter: Sihai Ke


I suspect there is a bug in Yarn deletion task service, below is my repo steps:
 # First let's set yarn.nodemanager.delete.debug-delay-sec=3600, that means when the app
finished, the Binary/container folder will be deleted after 3600 seconds.
 # when the application App1 (long running service) is running on machine machine1, and machine1
shutdown, ContainerManagerImpl#serviceStop() will be called -> ContainerManagerImpl#cleanUpApplicationsOnNMShutDown,
and ApplicationFinishEvent will be sent, and then some delection tasks will be created, but
be stored in DB and will be picked up to execute 3600 seconds.
 # 100 seconds later, machine1 comes back, and the same app is assigned to run this this machine,
container created and works well.
 # then deleting task created in step 2 will be picked up to delete containers created in
step 3 later.



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