Utility sorts binary files of 32-bit integers.
To compile utility just run
mvn clean package
now you have targer/sort.jar file.
Usage: java -jar sort.jar filename [number of additional threads > 1]
Example: sort big_data 10
There are three predefined tests for files with 800000, 80000000 and 300000000 numbers. To run them just run one of the following commands.
mvn test -Dtest=SortTest8000000
mvn test -Dtest=SortTest80000000
mvn test -Dtest=SortTest300000000