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https://issues.apache.org/jira/browse/FLINK-15499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17010277#comment-17010277
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Xintong Song commented on FLINK-15499:
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[~zhuzh]
True, the host name is not logged ATM.
I agree with you that it would be helpful to log the host information. I
actually think this log should be at INFO level instead of DEBUG level, because
it's very frequently used in trouble shootings and one line per TM should not
be very redundant.
Could you please assign this ticket to me? I can provide a fix.
> 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
> Priority: Major
>
> When troubleshooting FLINK-15456, I noticed a TM hang in starting and not
> able to register to RM. However, there is no debug log on which host the TM
> located on and thus I 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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