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Brock Noland commented on HIVE-8486: ------------------------------------ Thanks Chao! Two questions: 1) Can we fix this the calculation described above? 2) Why are we estimating a single reducer in the normal case? The join covers the entire store_sales table which is 2.2GB. Perhap we need to add some debug statements to SetSparkReducerParallelism? > TPC-DS Query 96 parallelism is not set correcly > ----------------------------------------------- > > Key: HIVE-8486 > URL: https://issues.apache.org/jira/browse/HIVE-8486 > Project: Hive > Issue Type: Sub-task > Components: Spark > Reporter: Brock Noland > Assignee: Chao > > When we run the query on a 20B we only have a parallelism factor of 1. -- This message was sent by Atlassian JIRA (v6.3.4#6332)