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https://issues.apache.org/jira/browse/FLINK-22638?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-22638:
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Labels: pull-request-available (was: )
> Keep channels blocked on alignment timeout
> ------------------------------------------
>
> Key: FLINK-22638
> URL: https://issues.apache.org/jira/browse/FLINK-22638
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Checkpointing
> Reporter: Dawid Wysakowicz
> Assignee: Dawid Wysakowicz
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.14.0
>
>
> In order to improve checkpointing time we could keep channels blocked in case
> an alignment timeout occurs. That way we prioritize the channels that we have
> not received the barrier yet. This solution is based on the assumption that
> all upstream operators are working with aligned checkpoints and we do not
> mind delaying the subsequent checkpoints on the blocked channels.
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