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From "Remus Rusanu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2623) Linux container executor only use the first local directory to copy token file in container-executor.c.
Date Tue, 30 Sep 2014 09:55:33 GMT

    [ https://issues.apache.org/jira/browse/YARN-2623?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14153023#comment-14153023
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Remus Rusanu commented on YARN-2623:
------------------------------------

Note that DCE also picks first local dir, DefaultContainerExecutor.java@99:

{code}
    // TODO: Why pick first app dir. The same in LCE why not random?
    Path appStorageDir = getFirstApplicationDir(localDirs, user, appId);
{code}

> Linux container executor only use the first local directory to copy token file in container-executor.c.
> -------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-2623
>                 URL: https://issues.apache.org/jira/browse/YARN-2623
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.5.0
>         Environment: Linux container executor only use the first local directory to copy
token file in container-executor.c.
>            Reporter: zhihai xu
>            Assignee: zhihai xu
>
> Linux container executor only use the first local directory to copy token file in container-executor.c.
if It failed to copy token file to the first local directory, the  localization failure event
will happen. Even though it can copy token file to the other local directory successfully.
The correct way should be to copy token file  to the next local directory  if the first one
failed.



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