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Posted to yarn-issues@hadoop.apache.org by "Feng Yuan (JIRA)" <ji...@apache.org> on 2019/01/24 07:48:00 UTC
[jira] [Commented] (YARN-9192) Deletion Taks will be picked up to
delete running containers
[ https://issues.apache.org/jira/browse/YARN-9192?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16750828#comment-16750828 ]
Feng Yuan commented on YARN-9192:
---------------------------------
Hi,sihai,
scenario one: machine down and all containers dead too(Do you mean this?), and containers been allocated on machine again?
scenario two: just nm process down,container alive
which scenario is you?
> 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
> Priority: Major
>
> 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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