[jira] [Created] (YARN-4149) yarn logs -am should provide an option to fetch all the log files

["Varun Vasudev (JIRA)" <ji...@apache.org>]

Varun Vasudev created YARN-4149:
-----------------------------------

             Summary: 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


>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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