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https://issues.apache.org/jira/browse/FLINK-12683?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16852658#comment-16852658
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Congxian Qiu(klion26) commented on FLINK-12683:
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In my opinion, the jm log of current version(1.8) is enough(we can find the
task location in jm log now), so I don't think we need this patch.
> Provide task manager's location information for checkpoint coordinator
> specific log messages
> --------------------------------------------------------------------------------------------
>
> Key: FLINK-12683
> URL: https://issues.apache.org/jira/browse/FLINK-12683
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Checkpointing
> Reporter: vinoyang
> Assignee: vinoyang
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Currently, the {{AcknowledgeCheckpoint}} does not contain the task manager's
> location information. When a task's snapshot task sends an ack message to the
> coordinator, we can only log this message:
> {code:java}
> Received late message for now expired checkpoint attempt 6035 from
> ccd88d08bf82245f3466c9480fb5687a of job 775ef8ff0159b071da7804925bbd362f.
> {code}
> Sometimes we need to get this sub task's location information to do the
> further debug work, e.g. stack trace dump. But, without the location
> information, It will not help to quickly locate the problem.
>
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