skiplist vs db format

[Simon Brady]

On Fri, 23 Jan 2004 throwaway-it at cox.net wrote:

> We are using Berk. db4 and the IO wait for the disk containing the db is
> consistantly over 50%.  The partition is 7GB, which also contains the
> user, quota, proc, and db directory. [...]

One easy change you can make is to mount /var/imap/proc on tmpfs. At our
site this made a dramatic improvement to load average, and although it
won't cure your bottleneck it should at least free up some disk I/O
capacity for DB access.

--
Simon Brady                             mailto:simon.brady at otago.ac.nz
ITS Technical Services
University of Otago, Dunedin, New Zealand