Date: Mon, 17 Jul 1995 21:53:53 -0400 (EDT) From: Charles Henrich <henrich@crh.cl.msu.edu> To: dyson@freefall.cdrom.com (John Dyson) Cc: freebsd-hackers@freebsd.org Subject: Re: File cache needs lower vm priority Message-ID: <199507180153.VAA05107@crh.cl.msu.edu> In-Reply-To: <199507172355.QAA01087@freefall.cdrom.com> from "John Dyson" at Jul 17, 95 04:55:51 pm
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> The file cache is about as low in priority as it can be. The pages
> in the file cache that are not pointed to by buffers are in the
> cache list. Those pages are almost as available as free pages. If
> you have any pages in the cache list, then you should not block waiting
> for memory.
>
> It might be that the overhead for the buffer management is getting to
> your machine. I am currently working on improving the efficiency, but
> on a /66 or faster the overhead should not be a killer.
Its on a P100, but w/ a fast SCSI disk. Hopefully with all the new vm chanegs,
things will improve dramatically.
-Crh
Charles Henrich Michigan State University henrich@crh.cl.msu.edu
http://rs560.msu.edu/~henrich/
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