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https://issues.apache.org/jira/browse/FLINK-35528?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Piotr Nowojski closed FLINK-35528.
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Fix Version/s: 1.20.0
Resolution: Fixed
merged commit 77cd1cd into apache:master now
> Skip execution of interruptible mails when yielding
> ---------------------------------------------------
>
> Key: FLINK-35528
> URL: https://issues.apache.org/jira/browse/FLINK-35528
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Checkpointing, Runtime / Task
> Affects Versions: 1.20.0
> Reporter: Piotr Nowojski
> Assignee: Piotr Nowojski
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.20.0
>
>
> When operators are yielding, for example waiting for async state access to
> complete before a checkpoint, it would be beneficial to not execute
> interruptible mails. Otherwise continuation mail for firing timers would be
> continuously re-enqeueed. To achieve that MailboxExecutor must be aware which
> mails are interruptible.
> The easiest way to achieve this is to set MIN_PRIORITY for interruptible
> mails.
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