Messages in this thread | | | From | Brian <> | Subject | Re: knfsd and memory usage | Date | Fri, 7 Dec 2001 13:45:39 -0500 |
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It's not under any kind of VM pressure, but I was curious since our squid servers have a huge cache size. A difference between mmap and fopen/fread, I assume?
Is there a way to determine how much memory is going toward page-cache? Maybe it doesn't matter that much. I'm just into stats.
-- Brian
On Friday 07 December 2001 01:25 pm, you wrote: > The non-obvious memory usage is a big disk cache. Free memory is > wasted memory seems to be the philosophy. Theoretically, the disk > cache memory should be able to be discared when needed, but that > aspect seems to be a problem in some environments. > > john > > > On Fri, 7 Dec 2001 11:45:07 -0500, Brian <hiryuu@envisiongames.net> > > wrote: > >So I have this new file server (2.4.16), and it's memory looks like > >Mem: 771952K total, 767492K used, 4460K free, 22016K > > buffers Swap: 0K total, 0K used, 0K free, > > 71848K cached > > > >So cache, buffers, and free memory account for ~100MB. > >There are a handful of userspace processes taking ~20MB. > > > >Obviously I expect the kernel to take up some memory, but 650 megs? > > > >Is there I way I can find out where all of that memory went? > >If knfsd is hoarding (no other box has this much unaccounted for), is > >there a way to tweak it at runtime? Are there 'safe' things to adjust > > at compile time? > > > >Thanks > > -- Brian > >- > >To unsubscribe from this list: send the line "unsubscribe linux-kernel" > > in the body of a message to majordomo@vger.kernel.org > >More majordomo info at http://vger.kernel.org/majordomo-info.html > >Please read the FAQ at http://www.tux.org/lkml/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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