zhijiang created FLINK-11282:
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Summary: Merge StreamRecordWriter into RecordWriter
Key: FLINK-11282
URL: https://issues.apache.org/jira/browse/FLINK-11282
Project: Flink
Issue Type: Sub-task
Components: Network
Reporter: zhijiang
Assignee: zhijiang
Fix For: 1.8.0
{{StreamRecordWriter}} is only used for streaming job which extends
{{RecordWriter}}. The only difference in {{StreamRecordWriter}} is maintaining
the {{OutputFlusher}} thread which can be migrated into {{RecordWriter}}
because the {{flushAlways}} property in {{RecordWriter}} has relationship with
{{OutputFlusher}}.
To do so, we can introduce the special {{BroadcastRecordWriter}} which extends
{{RecordWriter}} for improving broadcast selector for
[FLINK-10662|https://issues.apache.org/jira/browse/FLINK-10662] . And the
{{RecordWriter}} division is unified for both streaming and batch jobs.
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