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SubjectRe: Memory usage per memory zone
On Thu, Mar 12, 2009 at 10:48:42AM +0200, jack marrow wrote:
> (Didn't reply all:)
>
> 2009/3/12 Wu Fengguang <fengguang.wu@intel.com>:
> > On Thu, Mar 12, 2009 at 10:04:17AM +0200, jack marrow wrote:
> >> 2009/3/12 Wu Fengguang <fengguang.wu@intel.com>:
> >> > On Thu, Mar 12, 2009 at 09:53:27AM +0200, jack marrow wrote:
> >> >> > Can you paste /proc/vmstat, /proc/meminfo, /proc/zoneinfo and
> >> >> > /proc/slabinfo? Thank you.
> >> >>
> >> >> Sure, but I don't know if it will help.
> >> >>
> >> >> The oom info was from in the night, the rest is from now. I have no zoneinfo.
> >> >>
> >> >> http://pastebin.com/m67409bc0
> >> >
> >> > Thank you! So you are running a pretty old kernel?
> >> >
> >>
> >> Yes. Kernel.2.6.9-78.
> >>
> >> Added more output from the other oom kills here:
> >>  http://pastebin.com/m76fc473d
> >>
> >> If I could just find a way to find out what is using up all the memory
> >> in a zone I could go away happy :)
> >
> > But the highmem zone wont help you much, since you have a large 900M
> > normal zone and a tiny 100M highmem zone ;)

btw, how much physical memory do you have?
It's weird that meminfo says 1G but Mem-Info says 4G...

> MemTotal:      1034496 kB
> MemFree:         95600 kB
> Buffers:         49916 kB
> Cached:         761544 kB
> SwapCached:          0 kB
> Active:          80484 kB
> Inactive:       749960 kB
> HighTotal:      131008 kB
> HighFree:        68480 kB
> LowTotal:       903488 kB
> LowFree:         27120 kB
> SwapTotal:     2040212 kB
> SwapFree:      2039780 kB

Free pages: 16808kB (1664kB HighMem)
Active:457312 inactive:273805 dirty:0 writeback:0 unstable:0 free:4202 slab:5897 mapped:390707 pagetables:5068
DMA free:12408kB min:64kB low:128kB high:192kB active:0kB inactive:0kB present:16384kB pages_scanned:0 all_unreclaimable? yes
protections[]: 0 0 0
Normal free:2736kB min:3728kB low:7456kB high:11184kB active:256kB inactive:16kB present:901120kB pages_scanned:2782 all_unre
claimable? yes
protections[]: 0 0 0
HighMem free:1664kB min:512kB low:1024kB high:1536kB active:1828992kB inactive:1095204kB present:3014656kB pages_scanned:0 al
l_unreclaimable? no
protections[]: 0 0 0
DMA: 4*4kB 5*8kB 2*16kB 1*32kB 4*64kB 2*128kB 2*256kB 0*512kB 1*1024kB 1*2048kB 2*4096kB = 12408kB
Normal: 0*4kB 0*8kB 1*16kB 1*32kB 0*64kB 1*128kB 0*256kB 1*512kB 0*1024kB 1*2048kB 0*4096kB = 2736kB
HighMem: 320*4kB 0*8kB 0*16kB 0*32kB 0*64kB 1*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1664kB
448110 pagecache pages
Swap cache: add 787243, delete 731019, find 235217/281007, race 0+3
0 bounce buffer pages
Free swap: 1558736kB
983040 pages of RAM
753648 pages of HIGHMEM
9253 reserved pages
253474 pages shared
56224 pages swap cached
Out of Memory: Killed process 28258 (oracle).
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