liufangqi commented on code in PR #5997:
URL: https://github.com/apache/hudi/pull/5997#discussion_r911576923
##########
hudi-flink-datasource/hudi-flink/src/main/java/org/apache/hudi/sink/utils/Pipelines.java:
##########
@@ -330,17 +330,23 @@ public static DataStream<Object>
hoodieStreamWrite(Configuration conf, int defau
.setParallelism(conf.getInteger(FlinkOptions.WRITE_TASKS));
} else {
WriteOperatorFactory<HoodieRecord> operatorFactory =
StreamWriteOperator.getFactory(conf);
- return dataStream
- // Key-by record key, to avoid multiple subtasks write to a bucket
at the same time
- .keyBy(HoodieRecord::getRecordKey)
- .transform(
- "bucket_assigner",
- TypeInformation.of(HoodieRecord.class),
- new KeyedProcessOperator<>(new BucketAssignFunction<>(conf)))
- .uid("uid_bucket_assigner_" +
conf.getString(FlinkOptions.TABLE_NAME))
-
.setParallelism(conf.getOptional(FlinkOptions.BUCKET_ASSIGN_TASKS).orElse(defaultParallelism))
- // shuffle by fileId(bucket id)
- .keyBy(record -> record.getCurrentLocation().getFileId())
+
+ DataStream<HoodieRecord> bucketDataStream = dataStream
+ // Key-by record key, to avoid multiple subtasks write to a
bucket at the same time
+ .keyBy(HoodieRecord::getRecordKey)
+ .transform(
+ "bucket_assigner",
+ TypeInformation.of(HoodieRecord.class),
+ new KeyedProcessOperator<>(new
BucketAssignFunction<>(conf)))
+ .uid("uid_bucket_assigner_" +
conf.getString(FlinkOptions.TABLE_NAME))
+
.setParallelism(conf.getOptional(FlinkOptions.BUCKET_ASSIGN_TASKS).orElse(defaultParallelism));
+
+ bucketDataStream =
conf.getOptional(FlinkOptions.BUCKET_ASSIGN_TASKS).orElse(defaultParallelism) ==
+ conf.getInteger(FlinkOptions.WRITE_TASKS) ? bucketDataStream :
bucketDataStream
+ // shuffle by fileId(bucket id)
+ .keyBy(record -> record.getCurrentLocation().getFileId());
Review Comment:
>
Thanks for your review, actually, the bucket data stream is a keyed stream
that repartition by hoodie record key.
If the bucket assgin opeator 's task num equals the write operator's, we
don't need the repartition which repartition by location.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
