I just read
http://rudd-o.com/linux-and-free-software/tales-from-responsivenessland-why-linux-feels-slow-and-how-to-fix-that
which explains how to increase "perceived performance" by tuning
"swappiness" and "vfs_cache_pressure". I'm playing with both values
and so far it feels like an improvement. (Fortunately both values,
and lots of others I've never heard of before, can be changed "on
the fly".) The article is from 2007 but I think it's still
applicable, and distribution-independent as well.
Would anyone who's experimented with changing the default values for
swappiness and vfs_cache_pressure (or any of the others) be willing
to share their experiences and conclusions? Please indicate the
primary use of the system(s), e.g. server, workstation, etc. If
anyone cares, my current system is a standalone workstation with a
physical limit of 1 GB RAM. Thanks in advance for any enlightenment!
Adam
--
Registered Linux User #536473
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