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Xuefu Zhang commented on HIVE-10671: ------------------------------------ Thanks, [~lirui]. This is great! [~chengxiang li], could you please review the changes here, as you originally authored this part of the code? Thanks. I will also take a look. > yarn-cluster mode offers a degraded performance from yarn-client [Spark > Branch] > ------------------------------------------------------------------------------- > > Key: HIVE-10671 > URL: https://issues.apache.org/jira/browse/HIVE-10671 > Project: Hive > Issue Type: Bug > Components: Spark > Reporter: Xuefu Zhang > Assignee: Rui Li > Attachments: HIVE-10671.1-spark.patch > > > With Hive on Spark, users noticed that in certain cases > spark.master=yarn-client offers 2x or 3x better performance than if > spark.master=yarn-cluster. However, yarn-cluster is what we recommend and > support. Thus, we should investigate and fix the problem. One of the such > queries is TPC-H 22. -- This message was sent by Atlassian JIRA (v6.3.4#6332)