Benchmark the IO performance of Apache Spark (Scala/Python). Currently supported: csv/json, parquet, FITS.

Edit the run_benchmark.sh file with your data and cluster configuration, and launch it using

./run_benchmark.sh

Configuration:

• Spark 2.3.1
• HDFS 2.8.4
• Input dataset: 1,100,000,000 objects (x, y, z)
• 153 cores (9 executors), 300 GB RAM total
• No cache: 100 iterations (data distributed and read)