NAME

       flashstat - Display flashcache statistic information

DESCRIPTION

       The  purpose  of  the  flashstat  command  is to periodically display flashcache statistic
       information

SYNOPSIS

       flashstat [-h][-i \<time Interval\>] [-C <count>][-d \<device\>] [-n]

OPTIONS

       -h, --help
              Print help info

       -i, --interval
              Time(second) interval, the default value is 1s

       -C, --count
              Display times

       -d, --device
              Flashcache device, the default device is /dev/mapper/cachedev

       -n, --nocolor
              No color mode

OUTPUT

       read/s - reads per second for cachedev

       write/s - writes per second for cachedev

       diskr/s - disk reads per second

       diskw/s - disk writes per second

       ssdr/s - ssd reads per second

       ssdw/s - ssd writes per second

       uread/s - uncached reads per second

       uwrit/s - uncached writes per second

       metaw/s - metadata ssd writes per second

       clean/s - cleanings per second

       repl/s - replacement per second

       wrepl/s - write replacement per second

       hit% - read hit percent(current hit%|total hit%)

       whit% - write hit percent(current whit%|total whit%)

       dwhit% - dirty write hit percent(current dwhit%|total dwhit%)

SEE ALSO

       README and other documents in /usr/share/doc/flashcache-utils

       The  flashcache   source   code   and   all   documentation   may   be   downloaded   from
       <https://github.com/facebook/flashcache/>.

AUTHORS

       Flashstat is developed by NinGoo <seaman.ning@gmail.com>

       This man page was written by Liang Guo <guoliang@debian.org> for Debian GNU/Linux (but may
       be used by others).