flashstat8
Display flashcache statistic information
Usage
flashstat [-h]
[-i
<time
Interval>]
[-C
<count>]
[-d
<device>]
[-n]
Overview
The purpose of the flashstat command is to periodically display flashcache statistic information
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%)
Releases
2 releases since Debian 8 (Jessie); the text changed 1 time.