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https://issues.apache.org/jira/browse/SPARK-11767?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen updated SPARK-11767:
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Component/s: SQL
> Easy to OOM when cache large column
> -----------------------------------
>
> Key: SPARK-11767
> URL: https://issues.apache.org/jira/browse/SPARK-11767
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Davies Liu
> Assignee: Davies Liu
>
> The default batch size (10000) does not work well the large column (with
> serialized size about 100k), it's easy to OOM when unrolling the rows.
> We should limit the serialized size of batch.
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