Messages in this thread | | | Date | Mon, 11 Nov 2002 16:11:06 -0500 (EST) | Subject | Re: [BENCHMARK] 2.5.46-mm1 with contest | From | "Alan Willis" <> |
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> That's an awful lot of mapped memory. Have you been altering > /proc/sys/vm/swappiness? Has some application run berzerk > and used tons of memory? > > Slab: 7592 kB > Committed_AS: 423120 kB > PageTables: 1996 kB > ReverseMaps: 69425 > HugePages_Total: 15 > HugePages_Free: 15 > Hugepagesize: 4096 kB
vm.swappiness was set to 0
> > You've lost 60 megabytes in hugepages! Bill's patch (which is in .47) > changes the initial number of hugetlb pages to zero, which is rather > kinder. > > So I don't _think_ there's a leak here. It could be that your > normal workload fits OK ito 256 megs, but thrashes when it is > squeezed into 196 megs. > > Suggest you do `echo 0 > /proc/sys/vm/nr_hugepages' and retest.
Done, vm.nr_hugepages = 0 # from 15
I'll stick to 2.5.46 for a while yet I guess, to be sure.
-alan
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