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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2014/08/28 02:58:58 UTC

[jira] [Commented] (SPARK-3269) SparkSQLOperationManager.getNextRowSet OOMs when a large maxRows is set

    [ https://issues.apache.org/jira/browse/SPARK-3269?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14113139#comment-14113139 ] 

Apache Spark commented on SPARK-3269:
-------------------------------------

User 'liancheng' has created a pull request for this issue:
https://github.com/apache/spark/pull/2171

> SparkSQLOperationManager.getNextRowSet OOMs when a large maxRows is set
> -----------------------------------------------------------------------
>
>                 Key: SPARK-3269
>                 URL: https://issues.apache.org/jira/browse/SPARK-3269
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.0.2
>            Reporter: Cheng Lian
>
> {{SparkSQLOperationManager.getNextRowSet}} allocates an {{ArrayBuffer[Row]}} as large as {{maxRows}}, which can lead to OOM if {{maxRows}} is large, even if the actual size of the row set is much smaller.



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