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https://issues.apache.org/jira/browse/FLINK-15750?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Piotr Nowojski updated FLINK-15750:
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Summary: Execute network flushing actions in the mailbox instead of
OutputFlusher (was: Execute network flushing actions in the mailbox)
> Execute network flushing actions in the mailbox instead of OutputFlusher
> ------------------------------------------------------------------------
>
> Key: FLINK-15750
> URL: https://issues.apache.org/jira/browse/FLINK-15750
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Network
> Affects Versions: 1.10.0
> Reporter: Piotr Nowojski
> Assignee: Piotr Nowojski
> Priority: Major
>
> Currently almost all interactions with the network stack are happening from
> the mailbox thread, except of
> {{org.apache.flink.runtime.io.network.api.writer.ResultPartitionWriter#flushAll}},
> which happens from {{OutputFlusher}} thread.
> We could move {{ResultPartitionWriter#flushAll}} to happen in the mailbox
> thread (as a mailbox action), which would further simplify the threading
> model.
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