zzcclp commented on a change in pull request #1618:
URL: https://github.com/apache/kylin/pull/1618#discussion_r604233382
##########
File path:
kylin-spark-project/kylin-spark-engine/src/main/scala/org/apache/kylin/engine/spark/builder/CubeTableEncoder.scala
##########
@@ -63,7 +67,20 @@ object CubeTableEncoder extends Logging {
.select(columns: _*)
}
)
+
ds.sparkSession.sparkContext.setJobDescription(null)
+
+ //repartition by a single column during dict encode step before is more
easily to cause data skew, add step to void such case.
+ if(!cols.isEmpty && seg.kylinconf.rePartitionEncodedDatasetWithRowKey) {
Review comment:
add a blank space before '('
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