Provided by: flashcache-utils_3.1.3+git20150701-2ubuntu2_amd64
flashstat - Display flashcache statistic information
The purpose of the flashstat command is to periodically display flashcache statistic information
flashstat [-h] [-i <time Interval>] [-C <count>] [-d <device>] [-n]
-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
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%)
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/>.
Flashstat is developed by NinGoo <firstname.lastname@example.org> This man page was written by Liang Guo <email@example.com> for Debian GNU/Linux (but may be used by others).