[jira] [Created] (FLINK-5059) only serialise events once in RecordWriter#broadcastEvent

[Shang Yuanchun (Jira)]

Nico Kruber created FLINK-5059:
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             Summary: only serialise events once in RecordWriter#broadcastEvent
                 Key: FLINK-5059
                 URL: https://issues.apache.org/jira/browse/FLINK-5059
             Project: Flink
          Issue Type: Improvement
          Components: Network
            Reporter: Nico Kruber
            Assignee: Nico Kruber


Currently, org.apache.flink.runtime.io.network.api.writer.RecordWriter#broadcastEvent serialises the event once per target channel. Instead, it could serialise the event only once and use the serialised form for every channel and thus save resources.



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