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Apache Spark commented on SPARK-9458: ------------------------------------- User 'rxin' has created a pull request for this issue: https://github.com/apache/spark/pull/7803 > Avoid object allocation in prefix generation > -------------------------------------------- > > Key: SPARK-9458 > URL: https://issues.apache.org/jira/browse/SPARK-9458 > Project: Spark > Issue Type: Sub-task > Components: SQL > Reporter: Reynold Xin > Assignee: Reynold Xin > Fix For: 1.5.0 > > > In our existing sort prefix generation code, we use expression's eval method > to generate the prefix, which results in object allocation for every prefix. > We can use the specialized getters available on InternalRow directly to avoid > the object allocation. -- 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