[ https://issues.apache.org/jira/browse/SPARK-2657?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14072608#comment-14072608 ]
Apache Spark commented on SPARK-2657: ------------------------------------- User 'mateiz' has created a pull request for this issue: https://github.com/apache/spark/pull/1555 > Use more compact data structures than ArrayBuffer in groupBy and cogroup > ------------------------------------------------------------------------ > > Key: SPARK-2657 > URL: https://issues.apache.org/jira/browse/SPARK-2657 > Project: Spark > Issue Type: Sub-task > Components: Spark Core > Reporter: Matei Zaharia > Assignee: Matei Zaharia > Fix For: 1.1.0 > > -- This message was sent by Atlassian JIRA (v6.2#6252)