JingsongLi commented on a change in pull request #8690:
[FLINK-12801][table-planner-blink] set parallelism for batch SQL
URL: https://github.com/apache/flink/pull/8690#discussion_r292848405
##########
File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/plan/metadata/FlinkRelMdRowCount.scala
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@@ -171,7 +171,8 @@ class FlinkRelMdRowCount private extends
MetadataHandler[BuiltInMetadata.RowCoun
} else {
val inputRowCnt = mq.getRowCount(input)
val config =
rel.getCluster.getPlanner.getContext.asInstanceOf[FlinkContext].getTableConfig
- val parallelism = NodeResourceConfig.calOperatorParallelism(inputRowCnt,
config.getConf)
+ val parallelism = (inputRowCnt /
+
config.getConf.getLong(PlannerConfigOptions.SQL_OPTIMIZER_ROWS_PER_LOCALAGG) +
1).toInt
Review comment:
Explain this change?
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