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Posted to issues@flink.apache.org by "zlzhang0122 (Jira)" <ji...@apache.org> on 2022/03/22 09:01:00 UTC
[jira] [Updated] (FLINK-25068) Show the maximum parallelism (number of key groups) of a job in Web UI
[ https://issues.apache.org/jira/browse/FLINK-25068?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
zlzhang0122 updated FLINK-25068:
--------------------------------
Fix Version/s: 1.16.0
> Show the maximum parallelism (number of key groups) of a job in Web UI
> ----------------------------------------------------------------------
>
> Key: FLINK-25068
> URL: https://issues.apache.org/jira/browse/FLINK-25068
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Web Frontend
> Affects Versions: 1.14.0
> Reporter: zlzhang0122
> Assignee: zlzhang0122
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.16.0
>
>
> Now, Flink use maximum parallelism as the number of key groups to distribute the key, the maximum parallelism can be set manually, or flink will set-up automatically, sometimes the value is useful and we may want to know it, maybe we can expose in the Web UI.
> By doing this, we can easily know the max parallelism we can suggest the user to scale when they are facing the leak of through-output, and we can know which subtask will processing the special value and we can find the log soon.
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