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In Apache Spark, why does RDD.union not preserve the partitioner ?
In Apache Spark, why does RDD.union not preserve the partitioner ?
apache-spark

hadoop-partitioning

partitioning

seena Asked on January 7, 2019 in Apache-spark.
- 332 views
- 2 answers
- 0 votes
Pandas: Sampling a DataFrame
Pandas: Sampling a DataFrame
column

DataFrame

pandas

partitioning

python

melisa Asked on December 21, 2018 in Pandas.
- 445 views
- 3 answers
- 0 votes
How to define partitioning of DataFrame?
How to define partitioning of DataFrame?
apache-spark

apache-spark-sql

DataFrame

partitioning

scala

vijay Asked on November 15, 2018 in Apache-spark.
- 542 views
- 3 answers
- 0 votes

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