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https://issues.apache.org/jira/browse/FLINK-12122?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Till Rohrmann closed FLINK-12122.
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Fix Version/s: 1.9.2
1.10.0
Resolution: Done
Done via
1.10.0:
216d0734c7
7973453212
0df281e48f
362d767059
2ab8b61f2f
269e7f007e
1.9.2:
fedaa6202b
f029485376
17456c2283
3589cb340d
e577323894
ab70e0116b
> Spread out tasks evenly across all available registered TaskManagers
> --------------------------------------------------------------------
>
> Key: FLINK-12122
> URL: https://issues.apache.org/jira/browse/FLINK-12122
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Coordination
> Affects Versions: 1.6.4, 1.7.2, 1.8.0
> Reporter: Till Rohrmann
> Assignee: Till Rohrmann
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.10.0, 1.9.2
>
> Attachments: image-2019-05-21-12-28-29-538.png,
> image-2019-05-21-13-02-50-251.png
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> With Flip-6, we changed the default behaviour how slots are assigned to
> {{TaskManages}}. Instead of evenly spreading it out over all registered
> {{TaskManagers}}, we randomly pick slots from {{TaskManagers}} with a
> tendency to first fill up a TM before using another one. This is a regression
> wrt the pre Flip-6 code.
> I suggest to change the behaviour so that we try to evenly distribute slots
> across all available {{TaskManagers}} by considering how many of their slots
> are already allocated.
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