Thread (29 messages) 29 messages, 11 authors, 2005-09-02

Re: Where is the performance bottleneck?

From: Nick Piggin <hidden>
Date: 2005-08-31 17:25:17
Also in: lkml

Holger Kiehl wrote:
meminfo.dump:

   MemTotal:      8124172 kB
   MemFree:         23564 kB
   Buffers:       7825944 kB
   Cached:          19216 kB
   SwapCached:          0 kB
   Active:          25708 kB
   Inactive:      7835548 kB
   HighTotal:           0 kB
   HighFree:            0 kB
   LowTotal:      8124172 kB
   LowFree:         23564 kB
   SwapTotal:    15631160 kB
   SwapFree:     15631160 kB
   Dirty:         3145604 kB
Hmm OK, dirty memory is pinned pretty much exactly on dirty_ratio
so maybe I've just led you on a goose chase.

You could
     echo 5 > /proc/sys/vm/dirty_background_ratio
     echo 10 > /proc/sys/vm/dirty_ratio

To further reduce dirty memory in the system, however this is
a long shot, so please continue your interaction with the
other people in the thread first.

Thanks,
Nick

-- 
SUSE Labs, Novell Inc.

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