Does Cyrus benefit greatly from increased FS buffer cache?

Sebastian Hagedorn Hagedorn at uni-koeln.de
Thu Apr 16 16:43:00 EDT 2009


-- Andrew Morgan <morgan at orst.edu> is rumored to have mumbled on 16. April 
2009 09:52:15 -0700 regarding Re: Does Cyrus benefit greatly from increased 
FS buffer cache?:

>> So it would seem that a 64-bit kernel wouldn't improve on that, right?
>> Or is  that a difference between 2.4 and 2.6?
>
> That's interesting, and not what I expected.  :)  What does "cat
> /proc/meminfo" show?

# cat /proc/meminfo
        total:    used:    free:  shared: buffers:  cached:
Mem:  16603488256 16582602752 20885504        0 96661504 14362886144
Swap: 4293574656  8638464 4284936192
MemTotal:     16214344 kB
MemFree:         20396 kB
MemShared:           0 kB
Buffers:         94396 kB
Cached:       14018624 kB
SwapCached:       7632 kB
Active:       12502776 kB
ActiveAnon:    2275396 kB
ActiveCache:  10227380 kB
Inact_dirty:   2378304 kB
Inact_laundry:  453980 kB
Inact_clean:    284768 kB
Inact_target:  3123964 kB
HighTotal:    15597440 kB
HighFree:         5724 kB
LowTotal:       616904 kB
LowFree:         14672 kB
SwapTotal:     4192944 kB
SwapFree:      4184508 kB
Committed_AS:  2391184 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB
--
Sebastian Hagedorn - RZKR-R1 (Flachbau), Zi. 18, Robert-Koch-Str. 10
Regionales Rechenzentrum (RRZK)
Universität zu Köln / Cologne University - Tel. +49-221-478-5587
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