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From "Zhu Zhu (Jira)" <j...@apache.org>
Subject [jira] [Created] (FLINK-15499) No debug log describes the host of a TM before any task is deployed to it in YARN mode
Date Tue, 07 Jan 2020 10:02:00 GMT
Zhu Zhu created FLINK-15499:
-------------------------------

             Summary: No debug log describes the host of a TM before any task is deployed
to it  in YARN mode 
                 Key: FLINK-15499
                 URL: https://issues.apache.org/jira/browse/FLINK-15499
             Project: Flink
          Issue Type: Improvement
          Components: Deployment / YARN
    Affects Versions: 1.10.0
            Reporter: Zhu Zhu


When troubleshooting FLINK-15456, I noticed a TM hang in starting and not able to register
to RM. However, there is no info on which host the TM located on and thus we can hardly find
the logs of the problematic TM.
I think we should print the host name when starting a TM, i.e. in this logs
"TaskExecutor container_XXXX will be started ...".
This would make it possible for us to troubleshoot similar problems. (not only for cases that
TM hang in starting, but also for cases that TM exits in starting)



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