[jira] [Commented] (YARN-2623) Linux container executor only use the first local directory to copy token file in container-executor.c.

[Remus Rusanu (JIRA)]

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

Remus Rusanu commented on YARN-2623:
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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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