hehuiyuan commented on code in PR #10090:
URL: https://github.com/apache/hudi/pull/10090#discussion_r1395358414
##########
hudi-flink-datasource/hudi-flink/src/main/java/org/apache/hudi/sink/utils/Pipelines.java:
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@@ -410,10 +410,11 @@ public static DataStream<Object>
hoodieStreamWrite(Configuration conf, DataStrea
* @return the compaction pipeline
*/
public static DataStreamSink<CompactionCommitEvent> compact(Configuration
conf, DataStream<Object> dataStream) {
- return dataStream.transform("compact_plan_generate",
+ DataStreamSink<CompactionCommitEvent> compactionCommitEventDataStream =
dataStream.transform("compact_plan_generate",
TypeInformation.of(CompactionPlanEvent.class),
new CompactionPlanOperator(conf))
.setParallelism(1) // plan generate must be singleton
+ .setMaxParallelism(1)
Review Comment:
The SingleOutputStreamOperator Class was returned when call
Datastream.transform method.
SingleOutputStreamOperator class contains the setMaxParallelism method.
For example : flink 1.14
https://github.com/apache/flink/blob/08dbb6d5eff46e72af412643f80ac353636821de/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/datastream/SingleOutputStreamOperator.java#L155
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