[ https://issues.apache.org/jira/browse/SPARK-7956?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Davies Liu resolved SPARK-7956. ------------------------------- Resolution: Fixed Fix Version/s: 1.5.0 Issue resolved by pull request 6479 [https://github.com/apache/spark/pull/6479] > Use Janino to compile SQL expression > ------------------------------------ > > Key: SPARK-7956 > URL: https://issues.apache.org/jira/browse/SPARK-7956 > Project: Spark > Issue Type: Improvement > Components: SQL > Reporter: Davies Liu > Assignee: Davies Liu > Fix For: 1.5.0 > > > The overhead of current implementation of codegen is to high (50ms - 500ms), > which blocks us from turning it on by default. > We should try to investigate using Janino to compile the SQL expressions into > JVM bytecode, which should be much faster to compile (about 10ms). -- 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