Memory Usage - Buffered vs. Cached


Subject: Memory Usage - Buffered vs. Cached
From: Justin Dieters (enderak@gci.net)
Date: Mon Dec 02 2002 - 11:39:42 AKST


Hey, perhaps someone can shed a little light on this for me. None of
the books I have mention it, and I haven't found a clear answer
searching through google.

What is Buffered and Cached memory? And what is the difference between
the two? And am I correct in my understanding that this memory can be
flushed out and used my processes that need it?

I have 128 MB total in my server, and right now less than 6 MB free.
But I have about 24 MB in buffered and 60 MB in cached. Is this
something to worry about, or am I okay on RAM as long as my Swap doesn't
get used?

Thanks,
Justin

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