Charles Hayden created SPARK-5558:
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Summary: pySpark zip function unexpected errors
Key: SPARK-5558
URL: https://issues.apache.org/jira/browse/SPARK-5558
Project: Spark
Issue Type: Bug
Components: PySpark
Affects Versions: 1.2.0
Reporter: Charles Hayden
Example:
x = sc.parallelize(range(0,5))
y = x.map(lambda x: x+1000, preservesPartitioning=True)
y.take(10)
# Also fails with the following
#y.toDebugString()
x.zip(y).collect()
Fails in the JVM: py4J: org.apache.spark.SparkException:
Can only zip RDDs with same number of elements in each partition
If the range is changed to range(0,1000) it fails in pySpark code:
ValueError: Can not deserialize RDD with different number of items in pair:
(100, 1)
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