skiplist vs db format

Simon Brady simon.brady at
Sun Jan 25 15:11:02 EST 2004

On Fri, 23 Jan 2004 throwaway-it at 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
ITS Technical Services
University of Otago, Dunedin, New Zealand

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