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https://issues.apache.org/jira/browse/FLINK-14097?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Konstantin Knauf updated FLINK-14097:
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Labels: (was: auto-closed)
Priority: Not a Priority (was: Minor)
> Optimize AsyncWaitOperator to process more than one element per mailbox letter
> ------------------------------------------------------------------------------
>
> Key: FLINK-14097
> URL: https://issues.apache.org/jira/browse/FLINK-14097
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Task
> Reporter: Alex
> Priority: Not a Priority
>
> With the changes introduced in FLINK-12958, the results (output) of
> {{AsyncWaitOperator}} are handled via {{StreamTask}}'s mailbox letter (a
> letter action per one input element).
> This may degrade performance of the operator: before, the emitter thread was
> emitting elements directly to operator's output as soon as results were ready.
> This is a follow up ticket, to address this concern.
> Potential workaround can be to (non-blockingly) dequeue more ready results
> from {{StreamElementQueue}} in one mailbox action.
> *Note:* this can also be incorporated in FLINK-14044.
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