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    SubjectRe: VM performance
    In <> Stephen Frost ( wrote:
    > On Mon, 25 Jan 1999, Ed Lang wrote:

    >> On Sun, Jan 24, 1999 at 02:38:39PM +0000, Alan Cox wrote:
    >> > > > "Is this something that normal people would ever really care deeply
    >> > > > about?"
    >> > >
    >> > > Probably, if there are people other than me that are still using systems
    >> > > with 16mb of physical RAM. There probably are some. Maybe.
    >> I, for one, have a box with 16M of RAM.

    > I have a number with 8M, a couple with 16M, and one with 4M.

    >> > On 32Mb 2.2.0pre9 works ok but not well [1] - I can build a kernel without
    >> > much swapping while doing other stuff, on 2.1.132 I can build two
    >> > kernels in parallel with the same kind of feel while 2.2.0x chokes up
    >> > horribly at this point.
    >> >
    >> > [1] It still beats 2.0.x I should point out 8)
    >> >
    >> >
    >> > On 8Mb 2.2.0pre6, pre8, pre9 are basically unusable while 2.1.132 was fine
    >> >
    >> Ye gods. If that's the case, 2.2.0 sure ain't going on my 386 with 6M of RAM
    >> (which is all I have at the moment, but that's a long story).

    > I also find this very distressing as two of my routers have 8M of ram
    > while another has 4M, and both perform fairly well while doing any number of
    > things. My secondary name server and secondary mail server also has 8M of ram.

    > If this can't be changed for 2.2.0 (Anyone know what's causing it?),
    > perhaps in 2.2.1?

    Neither in 2.2.0 nor in 2.2.1. Use 2.0.37 :-))

    > Or maybe some option ("low mem?") that will turn off memory hogs and go back
    > to prior slower but less memory eating routines? If this is possible?

    No. Problems with 8-16Mb could be resolved (and I hope will be resolved -- may
    be some 2.2.x will work with 8Mb even better then 2.0.x -- wild dream, I know)
    but 4Mb is "no way". The whole design of a lot of subsystems was changed and
    thus there are no chances to get "normal" work on 4Mb systems.

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