OPTION(client_tick_interval, OPT_DOUBLE, 1.0)
OPTION(client_trace, OPT_STR, "")
OPTION(client_readahead_min, OPT_LONGLONG, 128*1024) // readahead at _least_ this much.
-OPTION(client_readahead_max_bytes, OPT_LONGLONG, 0) //8 * 1024*1024
+OPTION(client_readahead_max_bytes, OPT_LONGLONG, 0) // default unlimited
OPTION(client_readahead_max_periods, OPT_LONGLONG, 4) // as multiple of file layout period (object size * num stripes)
OPTION(client_snapdir, OPT_STR, ".snap")
OPTION(client_mountpoint, OPT_STR, "/")