[ https://issues.apache.org/jira/browse/SPARK-13902?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15255798#comment-15255798 ]
Apache Spark commented on SPARK-13902: -------------------------------------- User 'ueshin' has created a pull request for this issue: https://github.com/apache/spark/pull/12655 > Make DAGScheduler.getAncestorShuffleDependencies() return in topological > order to ensure building ancestor stages first. > ------------------------------------------------------------------------------------------------------------------------ > > Key: SPARK-13902 > URL: https://issues.apache.org/jira/browse/SPARK-13902 > Project: Spark > Issue Type: Bug > Components: Scheduler > Reporter: Takuya Ueshin > > {{DAGScheduler}} sometimes generate incorrect stage graph. > Some stages are generated for the same shuffleId twice or more and they are > referenced by the child stages because the building order of the graph is not > correct. > I added the sample RDD graph to show the illegal stage graph to > {{DAGSchedulerSuite}} and then fixed it. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org