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https://issues.apache.org/jira/browse/FLINK-3263?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Greg Hogan closed FLINK-3263.
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Resolution: Not A Problem
The metrics subsystem can provide this functionality.
> Log task statistics on TaskManager
> ----------------------------------
>
> Key: FLINK-3263
> URL: https://issues.apache.org/jira/browse/FLINK-3263
> Project: Flink
> Issue Type: Improvement
> Components: TaskManager
> Affects Versions: 1.0.0
> Reporter: Greg Hogan
> Assignee: Greg Hogan
> Priority: Minor
>
> Similar to how memory statistics can be written to the TaskMangers' log files
> by configuring {{taskmanager.debug.memory.startLogThread}} and
> {{taskmanager.debug.memory.logIntervalMs}}, it would be useful to have
> statistics written for each task within a job.
> One use case is to reconstruct progress to analyze why TaskManagers take
> different amounts of time to process the same quantity of data.
> I envision this being the same statistics which are displayed on the web
> frontend.
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