[jira] [Created] (FLINK-15750) Execute network flushing actions in the mailbox

[Shang Yuanchun (Jira)]

Piotr Nowojski created FLINK-15750:
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             Summary: Execute network flushing actions in the mailbox
                 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


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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