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https://issues.apache.org/jira/browse/SPARK-33855?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17252408#comment-17252408
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Yuming Wang commented on SPARK-33855:
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May be you can repartition by dynamic partition columns before insert partition
table: https://github.com/apache/spark/pull/28032
> Add spark job maximum created files limit configuration
> -------------------------------------------------------
>
> Key: SPARK-33855
> URL: https://issues.apache.org/jira/browse/SPARK-33855
> Project: Spark
> Issue Type: New Feature
> Components: SQL
> Affects Versions: 2.4.3, 3.0.1
> Reporter: Su Qilong
> Priority: Major
>
> Add a configuration item like :
> [hive.exec.max.created.files|https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-hive.exec.max.created.files]
> to limit maximum number of HDFS files created by a single spark job.
>
> This is useful when dynamic partition insertion is enabled, or for those jobs
> contains only 1 stage with very large parallelism
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