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yucai commented on SPARK-24076: ------------------------------- Root cause: very bad hash conflict in hashaggregate. !image-2018-04-25-14-29-39-958.png! > very bad performance when shuffle.partition = 8192 > -------------------------------------------------- > > Key: SPARK-24076 > URL: https://issues.apache.org/jira/browse/SPARK-24076 > Project: Spark > Issue Type: Bug > Components: SQL > Affects Versions: 2.3.0 > Reporter: yucai > Priority: Major > Attachments: image-2018-04-25-14-29-39-958.png, p1.png, p2.png > > > We see very bad performance when shuffle.partition = 8192 on some cases. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org