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https://issues.apache.org/jira/browse/SPARK-3580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15008430#comment-15008430
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Apache Spark commented on SPARK-3580:
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User 'schot' has created a pull request for this issue:
https://github.com/apache/spark/pull/9767
> Add Consistent Method To Get Number of RDD Partitions Across Different
> Languages
> --------------------------------------------------------------------------------
>
> Key: SPARK-3580
> URL: https://issues.apache.org/jira/browse/SPARK-3580
> Project: Spark
> Issue Type: Improvement
> Components: PySpark, Spark Core
> Affects Versions: 1.1.0
> Reporter: Pat McDonough
> Labels: starter
>
> Programmatically retrieving the number of partitions is not consistent
> between python and scala. A consistent method should be defined and made
> public across both languages.
> RDD.partitions.size is also used quite frequently throughout the internal
> code, so that might be worth refactoring as well once the new method is
> available.
> What we have today is below.
> In Scala:
> {code}
> scala> someRDD.partitions.size
> res0: Int = 30
> {code}
> In Python:
> {code}
> In [2]: someRDD.getNumPartitions()
> Out[2]: 30
> {code}
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