private static void usage ( ) { new HelpFormatter ( ) . printHelp ( String . format ( "java -cp %s %s -type <[READ, WRITE]> -fileSize <fileSize> -iterations <iterations> " + "-concurrency <concurrency>" , RuntimeConstants . ALLUXIO_JAR , MiniBenchmark . class . getCanonicalName ( ) ) , "run a mini benchmark to write or read a file" , OPTIONS , "" , true ) ; }
Prints the usage .