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cachestats - print cache statistics for a file

CACHESTATS(1) CACHESTATS(1)

NAME

cachestats - print cache statistics for a file

SYNOPSIS

cachestats [-qv] file

DESCRIPTION

Print number of cached vs. not-cached pages.

OPTIONS

-v "Verbose mode"
Print verbose cache map, where each page that is present in the cache is marked with `x`.
-q "Quiet mode"
The exit status is 0 (success) if the file is fully cached.

EXAMPLE

$ cachestats -v ~/somefile.mp3
pages in cache: 85/114 (74.6%)  [filesize=453.5K, pagesize=4K]
cache map: 0: |x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x| 32: |x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x| 64: |x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x|x| | | | | | | | | | | | | 96: | | | | | | | | | | | | | | | | | |x|

SEE ALSO

Also, you can use `vmstat 1` to view cache statistics.
March 2013 cachestats