rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
rprintf(F," --write-batch=FILE write a batched update to FILE\n");
rprintf(F," --read-batch=FILE read a batched update from FILE\n");
rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
rprintf(F," --write-batch=FILE write a batched update to FILE\n");
rprintf(F," --read-batch=FILE read a batched update from FILE\n");