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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-22747) Shorten lifetime of global variables used in HashAggregateExec
Date Sun, 10 Dec 2017 07:16:08 GMT

    [ https://issues.apache.org/jira/browse/SPARK-22747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16285121#comment-16285121
] 

Apache Spark commented on SPARK-22747:
--------------------------------------

User 'kiszk' has created a pull request for this issue:
https://github.com/apache/spark/pull/19938

> Shorten lifetime of global variables used in HashAggregateExec
> --------------------------------------------------------------
>
>                 Key: SPARK-22747
>                 URL: https://issues.apache.org/jira/browse/SPARK-22747
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.3.0
>            Reporter: Kazuaki Ishizaki
>
> Generated code in {{HashAggregateExec}} uses global mutable variables that are passed
to successor operations thru {{consume()}} method. It may cause issue in SPARK-22668.



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