Re: [BUG] 2.4 VM sucks. Again

Martin J. Bligh
2002-05-24T15:53:21Z

>> > How much RAM do you have, and what does /proc/meminfo
>> > and /proc/slabinfo say just before the explosion point?
>>
>> I have 1 gig - highmem (not enabled) - 900 megs.
>> for what I can see, kernel can't reclaim buffers fast enough.
>> ut looks better on -aa.
>>
>
> What sort of setup. I can't duplicate the problem here ?

I'm not sure exactly what Roy was doing, but we were taking a machine
with 16Gb of RAM, and reading files into the page cache - I think we built up
8 million buffer_heads according to slabinfo ... on a P4 they're 128 bytes each,
on a P3 96 bytes.

M.