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https://issues.apache.org/jira/browse/FLINK-8458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16385973#comment-16385973
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ASF GitHub Bot commented on FLINK-8458:
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Github user asfgit closed the pull request at:
https://github.com/apache/flink/pull/5317
> Add the switch for keeping both the old mode and the new credit-based mode
> --------------------------------------------------------------------------
>
> Key: FLINK-8458
> URL: https://issues.apache.org/jira/browse/FLINK-8458
> Project: Flink
> Issue Type: Sub-task
> Components: Network
> Reporter: zhijiang
> Assignee: zhijiang
> Priority: Major
> Fix For: 1.5.0
>
>
> After the whole feature of credit-based flow control is done, we should add a
> config parameter to switch on/off the new credit-based mode. To do so, we can
> roll back to the old network mode for any expected risks.
> The parameter is defined as
> {{taskmanager.network.credit-based-flow-control.enabled}} and the default
> value is true. This switch may be removed after next release.
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