Top "Spark-dataframe" questions

Apache Spark SQL is a tool for "SQL and structured data processing" on Spark, a fast and general-purpose cluster computing system.

Parquet vs Cassandra using Spark and DataFrames

I have come to this dilemma that I cannot choose what solution is going to be better for me. I …

apache-spark cassandra spark-dataframe parquet
multi-processing with spark(PySpark)

The usecase is the following: I have a large dataframe, with a 'user_id' column in it (every user_id …

python apache-spark pyspark spark-dataframe python-multiprocessing