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Apache Spark commented on SPARK-31485: -------------------------------------- User 'Ngone51' has created a pull request for this issue: https://github.com/apache/spark/pull/28476 > Barrier stage can hang if only partial tasks launched > ----------------------------------------------------- > > Key: SPARK-31485 > URL: https://issues.apache.org/jira/browse/SPARK-31485 > Project: Spark > Issue Type: Bug > Components: Spark Core > Affects Versions: 2.4.0 > Reporter: wuyi > Assignee: wuyi > Priority: Major > Fix For: 2.4.6 > > > The issue can be reproduced by following test: > > {code:java} > initLocalClusterSparkContext(2) > val rdd0 = sc.parallelize(Seq(0, 1, 2, 3), 2) > val dep = new OneToOneDependency[Int](rdd0) > val rdd = new MyRDD(sc, 2, List(dep), > Seq(Seq("executor_h_0"),Seq("executor_h_0"))) > rdd.barrier().mapPartitions { iter => > BarrierTaskContext.get().barrier() > iter > }.collect() > {code} > -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org