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From "Rui Li (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-15580) Replace Spark's groupByKey operator with something with bounded memory
Date Wed, 18 Jan 2017 15:16:26 GMT

    [ https://issues.apache.org/jira/browse/HIVE-15580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15828249#comment-15828249
] 

Rui Li commented on HIVE-15580:
-------------------------------

Hmm Spark does make it clear groupByKey can't handle large keys:
https://github.com/apache/spark/pull/3936

> Replace Spark's groupByKey operator with something with bounded memory
> ----------------------------------------------------------------------
>
>                 Key: HIVE-15580
>                 URL: https://issues.apache.org/jira/browse/HIVE-15580
>             Project: Hive
>          Issue Type: Improvement
>          Components: Spark
>            Reporter: Xuefu Zhang
>            Assignee: Xuefu Zhang
>         Attachments: HIVE-15580.1.patch, HIVE-15580.1.patch, HIVE-15580.2.patch, HIVE-15580.patch
>
>




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