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Posted to yarn-issues@hadoop.apache.org by "Wangda Tan (JIRA)" <ji...@apache.org> on 2018/06/01 21:05:00 UTC
[jira] [Updated] (YARN-8372) Distributed shell app master should
not release containers when shutdown if keep-container is true
[ https://issues.apache.org/jira/browse/YARN-8372?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wangda Tan updated YARN-8372:
-----------------------------
Summary: Distributed shell app master should not release containers when shutdown if keep-container is true (was: ApplicationAttemptNotFoundException should be handled correctly by Distributed Shell App Master)
> Distributed shell app master should not release containers when shutdown if keep-container is true
> --------------------------------------------------------------------------------------------------
>
> Key: YARN-8372
> URL: https://issues.apache.org/jira/browse/YARN-8372
> Project: Hadoop YARN
> Issue Type: Bug
> Components: distributed-shell
> Reporter: Charan Hebri
> Assignee: Suma Shivaprasad
> Priority: Major
> Attachments: YARN-8372.1.patch, YARN-8372.2.patch, YARN-8372.3.patch
>
>
> {noformat}
> try {
> response = client.allocate(progress);
> } catch (ApplicationAttemptNotFoundException e) {
> handler.onShutdownRequest();
> LOG.info("Shutdown requested. Stopping callback.");
> return;{noformat}
> is a code snippet from AMRMClientAsyncImpl. The corresponding onShutdownRequest call for the Distributed Shell App master,
> {noformat}
> @Override
> public void onShutdownRequest() {
> done = true;
> }{noformat}
> Due to the above change, the current behavior is that whenever an application attempt fails due to a NM restart (NM where the DS AM is running), an ApplicationAttemptNotFoundException is thrown and all containers for that attempt including the ones that are running on other NMs are killed by the AM and marked as COMPLETE. The subsequent attempt spawns new containers just like a new attempt. This behavior is different to a Map Reduce application where the containers are not killed.
> cc [~rohithsharma]
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