Re: tuning a VERY heavily (30.0) loaded s cerver

[Rik van Riel]

On Wed, 21 Mar 2001, Peter Wemm wrote:

> Also, 4MB = 1024 pages, at 28 bytes per mapping == 28k per process.

28 bytes/mapping is a LOT.  I've implemented an (admittedly
not completely architecture-independent) reverse mapping
patch for Linux with an overhead of 8 bytes/pte...

I wonder how hard/easy would it be to reduce the memory
overhead of some of these old Mach data structures in FreeBSD...

regards,

Rik
--
Virtual memory is like a game you can't win;
However, without VM there's truly nothing to lose...

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