Nico Kruber created FLINK-5060:
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Summary: only serialise records once in RecordWriter#emit and
RecordWriter#broadcastEmit
Key: FLINK-5060
URL: https://issues.apache.org/jira/browse/FLINK-5060
Project: Flink
Issue Type: Improvement
Components: Network
Reporter: Nico Kruber
Assignee: Nico Kruber
Currently, org.apache.flink.runtime.io.network.api.writer.RecordWriter#emit and
org.apache.flink.runtime.io.network.api.writer.RecordWriter#broadcastEmit
serialise a record once per target channel. Instead, they could serialise the
record only once and use the serialised form for every channel and thus save
resources.
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