[jira] [Commented] (SPARK-9458) Avoid object allocation in prefix generation
[ https://issues.apache.org/jira/browse/SPARK-9458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14648308#comment-14648308 ] 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
[jira] [Commented] (SPARK-9458) Avoid object allocation in prefix generation
[ https://issues.apache.org/jira/browse/SPARK-9458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14646995#comment-14646995 ] Apache Spark commented on SPARK-9458: - User 'rxin' has created a pull request for this issue: https://github.com/apache/spark/pull/7763 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 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