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https://issues.apache.org/jira/browse/FLINK-8656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16374119#comment-16374119
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ASF GitHub Bot commented on FLINK-8656:
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Github user tillrohrmann commented on the issue:
https://github.com/apache/flink/pull/5487
@GJL:
The temporary savepoint is only relevant for a single `JobMaster` because
the rescaling operation is not persisted. In case of a master failover the user
would have to retrigger the rescaling on the new `JobMaster`.
Concerning the check: True but this would be an unrelated change which
should be part of a separate issue.
> Add CLI command for rescaling
> -----------------------------
>
> Key: FLINK-8656
> URL: https://issues.apache.org/jira/browse/FLINK-8656
> Project: Flink
> Issue Type: New Feature
> Components: Client
> Affects Versions: 1.5.0
> Reporter: Till Rohrmann
> Assignee: Till Rohrmann
> Priority: Major
> Labels: flip-6
> Fix For: 1.5.0
>
>
> The REST rescaling calls should be made accessible via the {{CliFrontend}}.
> In order to do that I propose to add a {{modify}} command to the
> {{CliFrontend}} to which we can pass a new parallelism.
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