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