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https://issues.apache.org/jira/browse/YARN-4149?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14742682#comment-14742682
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Xuan Gong commented on YARN-4149:
---------------------------------
Thanks, varun for the patch. The patch looks good overall, but I have several
comments:
* Can we do the same for fetching regular containers logs? In current patch,
looks like that we only do it for am containers
* If the application is finished, looks like that we could not get any logs if
we specify --logfiles ALL. Because we can not get information from web service
call. Just set requestedLogFiles as NULL if the application is finished which
should fix this.
* Are the test case failures related ?
> 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
>
>
> 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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