04-16-2014
Well its like asking whats the difference between L1 and L2 cache in processors...
A buffer isnt big... just the size to bufferise correctly, a cache can be huge... the idea is having what is most accessed in cache to improve speed my not going to search on disk, and small enough to not loose too much time in searching when going to disk can be faster ( because data wasnt there... ) thus the importance of the cache algorithm...
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LEARN ABOUT DEBIAN
dwww-refresh-cache
DWWW-REFRESH-CACHE(8) Debian DWWW-REFRESH-CACHE(8)
NAME
dwww-refresh-cache - rebuilds dwww cache directory
SYNOPSIS
dwww-refresh-cache
DESCRIPTION
dwww-refresh-cache is a simple shell script, which deletes outdated cache files and rebuilds contents of the dwww cache directory
/var/cache/dwww. In default installation, the script is called from /etc/cron.daily/dwww, so the cache is refreshed every day.
CONFIGURATION VARIABLES
DWWW_KEEPDAYS
Specifies, how many days documents that have not been accessed should be kept in the cache. Default is 10 days.
DWWW_QUICKFIND_DB
Location of the installed packages and programs cache file, generated with help of dwww-quickfind(8). Default is
/var/cache/dwww/quickfind.dat.
DWWW_DOCBASE2PKG_DB
Location of the cache file, which maps installed doc-base files to packages names, used by the dwww-build-menu(8). Default is
/var/cache/dwww/docbase2pkg.dat.
FILES
/etc/dwww/dwww.conf
Configuration file for dwww(7).
/var/cache/dwww
dwww cache directory.
/etc/cron.daily/dwww.
dwww daily cron job
SEE ALSO
dwww(7), dwww-build-menu(8), dwww-cache(8), dwww-find(8).
AUTHOR
Robert Luberda.
See dwww(7), for copyrights and stuff.
dwww 1.11.1 February 15th, 2009 DWWW-REFRESH-CACHE(8)