Bootstrapping Big Data with Spark SQL and Data Frames
Spark-submit / pyspark takes R, Python, or Scala pyspark \--master yarn-client \ --queue training \--num-executors 12 \--executor-memory 5g \--executor-cores 4 pyspark for interactive spark-submit for scripts. Reddit History: August 2016 -- 279,383,793 Records. Data Format Matters Format Type Size Size w/Snappy Time Load / Query Text / JSON / CSV 1.7 TB 2,353 s / 1,292 s Parquet Column 229 GB ... ................
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