[ https://issues.apache.org/jira/browse/SPARK-15762?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-15762: ------------------------------------ Assignee: Josh Rosen (was: Apache Spark) > Cache Metadata.hashCode and use a singleton for Metadata.empty > -------------------------------------------------------------- > > Key: SPARK-15762 > URL: https://issues.apache.org/jira/browse/SPARK-15762 > Project: Spark > Issue Type: Improvement > Components: SQL > Reporter: Josh Rosen > Assignee: Josh Rosen > > In Spark SQL we should cache Metadata.hashCode and use a singleton for > Metadata.empty since calculating empty metadata hashCodes appears to be an > bottleneck according to certain profiler results. -- 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