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https://issues.apache.org/jira/browse/SPARK-14044?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bob Tiernay updated SPARK-14044:
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Summary: Allow configuration of DynamicPartitionWriterContainer#writeRows
to bypass sort step (was: Allow configuration of
DynamicPartitionWriterContainer to bypass sort step)
> Allow configuration of DynamicPartitionWriterContainer#writeRows to bypass
> sort step
> ------------------------------------------------------------------------------------
>
> Key: SPARK-14044
> URL: https://issues.apache.org/jira/browse/SPARK-14044
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 1.6.1
> Reporter: Bob Tiernay
>
> It would be very useful to allow the disabling of this block of code within
> {{DynamicPartitionWriterContainer}}:
> https://github.com/apache/spark/blob/8ef3399aff04bf8b7ab294c0f55bcf195995842b/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/WriterContainer.scala#L379-L418
> The use case is that an upstream {{groupBy}} has already sorted a great many
> fine grained groups which are the target of the {{partitionBy}}. For this to
> work, there needs to be a way to communicate between the {{groupBy}} and the
> {{partitionBy}} by way of some runtime configuration.
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