> My apparent problem is I'm seeing virtually no buffer usage, as checked from
> /proc/meminfo. The system has been up for 11 days, with heavy dB and file
> access activity (Gb's worth per day), yet the buffer usage never budges. Am
> I missing something fundamental, have I boffed the kernel build, or is there
> a problem? I would appreciate any pointers.
>
> total: used: free: shared: buffers: cached:
> Mem: 2119151616 2068426752 50724864 0 90112 1888358400
> Swap: 2089177088 70832128 2018344960
> MemTotal: 2069484 kB
> MemFree: 49536 kB
> MemShared: 0 kB
> Buffers: 88 kB
> Cached: 1823808 kB
> SwapCached: 20292 kB
> Active: 1209640 kB
> Inactive: 712324 kB
> HighTotal: 1179136 kB
> HighFree: 2044 kB
> LowTotal: 890348 kB
> LowFree: 47492 kB
> SwapTotal: 2040212 kB
> SwapFree: 1971040 kB
Count the columns - the '0' is for shared memory, not buffers.
As for why shared memory shows as zero, that's in the FAQ:
http://www.tux.org/lkml/#s14-3
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