[ https://issues.apache.org/jira/browse/HIVE-9574?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xuefu Zhang updated HIVE-9574: ------------------------------ Resolution: Fixed Status: Resolved (was: Patch Available) Committed to Spark branch. Thanks, Jimmy. > Lazy computing in HiveBaseFunctionResultList may hurt performance [Spark > Branch] > -------------------------------------------------------------------------------- > > Key: HIVE-9574 > URL: https://issues.apache.org/jira/browse/HIVE-9574 > Project: Hive > Issue Type: Sub-task > Components: Spark > Reporter: Rui Li > Assignee: Jimmy Xiang > Fix For: spark-branch > > Attachments: HIVE-9574.1-spark.patch, HIVE-9574.2-spark.patch, > HIVE-9574.3-spark.patch, HIVE-9574.4-spark.patch, HIVE-9574.5-spark.patch, > HIVE-9574.6-spark.patch > > > {{RowContainer.first}} may call {{InputFormat.getSplits}}, which is > expensive. If we switch {{container}} and {{backupContainer}} frequently in > {{HiveKVResultCache}}, it will downgrade performance. -- This message was sent by Atlassian JIRA (v6.3.4#6332)