parser.accepts("help", "print usage information");
parser.acceptsAll(asList("r", "reads"), "Enable reads.");
parser.acceptsAll(asList("w", "writes"), "Enable writes.");
parser.acceptsAll(asList("d", "deletes"), "Enable deletes.");
parser.accepts("table", "Table name").withRequiredArg();
parser.accepts("db", "Database name").withRequiredArg();
parser.acceptsAll(asList("u", "user"), "DB username.").withRequiredArg();
parser.acceptsAll(asList("P", "password"), "DB password").withRequiredArg();
parser.acceptsAll(asList("p", "port"), "DB port").withRequiredArg();
parser.acceptsAll(asList("h", "host"), "DB host").withRequiredArg();
parser.accepts("requests").withRequiredArg().ofType(Integer.class);