parser.accepts("help", "print usage information");
parser.accepts("threads", "number of threads").withRequiredArg().ofType(Integer.class);
parser.accepts("requests", "[REQUIRED] number of requests")
.withRequiredArg()
.ofType(Integer.class);
parser.accepts("store-dir", "[REQUIRED] store directory")
.withRequiredArg()
.describedAs("directory");
parser.accepts("cluster-xml", "Path to cluster.xml").withRequiredArg().describedAs("path");
parser.accepts("node-id", "Id of node")
.withRequiredArg()