> But the machine has 4Gb ram so why not using 500MB ?
> is it better to let squid increase if it's needed?
Linux will aggressively use free RAM to cache files. If Linux does
most of the caching, it benefits the entire system, not just Squid,
and Linux will dynamically adjust the amount of memory used to cache
files based on current system memory needs, whereas Squid will always
try to completely fill the memory alloted to it by cache_mem.
Additionally, I don't think Squid will have any way of knowing if the
memory allocated to it for cache_mem is swap and not RAM (perhaps
Henrik or Robert can comment on this).
That said, it is good to guarantee a small amount of memory for
caching very "hot" objects; that is what cache_mem is for, and that is
why it defaults to 8 MB.
Adam
Received on Mon Oct 20 2003 - 08:06:34 MDT
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