[jira] [Commented] (SPARK-2574) Avoid allocating new ArrayBuffer in groupByKey's mergeCombiner

2014-07-23 Thread Matei Zaharia (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-2574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14072605#comment-14072605 ] Matei Zaharia commented on SPARK-2574: -- I implemented this as part of https://github.

[jira] [Commented] (SPARK-2574) Avoid allocating new ArrayBuffer in groupByKey's mergeCombiner

2014-07-19 Thread Sandeep Singh (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-2574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14067815#comment-14067815 ] Sandeep Singh commented on SPARK-2574: -- [~sandyr] we can rewrite mergeCombiners as (c