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Return ValueExamplesGetting the number of partitions of RDD
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chevron_leftPySpark RDD
Method coalesceMethod collectMethod collectAsMapMethod countMethod countByKeyMethod filterMethod firstMethod getNumPartitionsMethod glomMethod keysMethod mapMethod partitionByMethod reduceByKeyMethod repartitionMethod zipMethod zipWithIndex
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PySpark RDD | getNumPartitions method

schedule May 20, 2023
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PySpark RDD's getNumPartitions() method returns the number of partitions of a RDD.

Return Value

An int.

Examples

Getting the number of partitions of RDD

To get the number of partitions of a RDD:

# Create a RDD of 3 partitions
rdd = sc.parallelize(["A","B","C","D","E","F"], numSlices=3)
rdd.getNumPartitions()
3
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Published by Isshin Inada
Edited by 0 others
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Official PySpark Documentation
https://spark.apache.org/docs/latest/api/python/reference/api/pyspark.RDD.getNumPartitions.html
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