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From "Thomas Graves (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-72) NM should handle cleaning up containers when it shuts down
Date Fri, 30 Nov 2012 14:25:59 GMT

    [ https://issues.apache.org/jira/browse/YARN-72?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13507349#comment-13507349
] 

Thomas Graves commented on YARN-72:
-----------------------------------

minor suggestion (by no means blocking since I'm so late on this) it might be useful to print
the containers that didn't finish in cleanupContainers:

+    // All containers killed
+    if (containers.isEmpty()) {
+      LOG.info("All containers in DONE state");
+    }
                
> NM should handle cleaning up containers when it shuts down
> ----------------------------------------------------------
>
>                 Key: YARN-72
>                 URL: https://issues.apache.org/jira/browse/YARN-72
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>            Reporter: Hitesh Shah
>            Assignee: Sandy Ryza
>         Attachments: YARN-72-1.patch, YARN-72-2.patch, YARN-72-2.patch, YARN-72.patch
>
>
> Ideally, the NM should wait for a limited amount of time when it gets a shutdown signal
for existing containers to complete and kill the containers ( if we pick an aggressive approach
) after this time interval. 
> For NMs which come up after an unclean shutdown, the NM should look through its directories
for existing container.pids and try and kill an existing containers matching the pids found.


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