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https://issues.apache.org/jira/browse/YARN-4149?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Varun Vasudev updated YARN-4149:
--------------------------------
    Attachment: YARN-4149.003.patch

bq. Could you check whether the logFiles array contains "ALL" instead of just 
checking whether "ALL" is the first item in logFiles array?

Fixed.

I've also addressed the findbugs warnings.

> yarn logs -am should provide an option to fetch all the log files
> -----------------------------------------------------------------
>
>                 Key: YARN-4149
>                 URL: https://issues.apache.org/jira/browse/YARN-4149
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: client, nodemanager
>    Affects Versions: 2.7.1
>            Reporter: Varun Vasudev
>            Assignee: Varun Vasudev
>         Attachments: YARN-4149.001.patch, YARN-4149.002.patch, 
> YARN-4149.003.patch
>
>
> From [~gopalv] -
> {quote}
> Trying to collect a hanging Tez AM logs, by killing the container and running 
> yarn logs -applicationId application_1437098194051_0178 -am ALL
> The output contains only one log file, which does not contain any of the 
> actual execution logs, only the initialization logs.
> From YARN-3347, I note that
>       // if we do not specify the value for CONTAINER_LOG_FILES option,
>      // we will only output syslog
> This means that the person calling the yarn logs command has to list it out 
> like this, to collect logs 
> yarn logs -applicationId application_1437098194051_0178 -am ALL -logFiles \
> syslog_dag_1437098194051_0178_2_post,\
> dag_1437098194051_0178_2-tez-dag.pb.txt,\
> syslog_dag_1437098194051_0178_2,\
> syslog_dag_1437098194051_0178_1_post,\
> syslog_dag_1437098194051_0178_1,\
> syslog,\
> stdout,\
> stderr,\
> dag_1437098194051_0178_2.dot,\
> dag_1437098194051_0178_1.dot,\
> dag_1437098194051_0178_1-tez-dag.pb.txt
> {quote}



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