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https://issues.apache.org/jira/browse/SPARK-3269?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cheng Lian updated SPARK-3269:
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Description: {{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.
(was: {{SparkSQLOperationManager.getNextRowSet}} allocates an
{{ArrayBuffer[Row]}} as large as {{maxRows}}, which can lead to OOM if
{{maxRows}} is large.)
> 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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