run sample with single-threaded step

./gradlew bootRun -Pargs="inputFile=data/beers.csv outputFile=build/rating.csv" -PsingleThreadStep

run sample with multi-threaded step

./gradlew bootRun -Pargs="inputFile=data/beers.csv outputFile=build/rating.csv" -PmultiThreadStep

run sample with local partitioned step

./gradlew bootRun -Pargs="inputFile=data/beers.csv outputFile=build/rating.csv" -PlocalPartitionedStep