When is it safe to adjust berkeley_cachesize?

Ross Boylan ross at biostat.ucsf.edu
Mon Dec 11 13:25:39 EST 2006


On Sun, 2006-12-10 at 07:32 -0600, Gary Mills wrote:
> On Sat, Dec 09, 2006 at 10:12:36PM -0800, Ross Boylan wrote:
> > I've returned to investigating why populating Cyrus 2.2 with UW's
> > mailutil is rather slow (20 or 30 messages/second).  One advice I've
> > seen is to tweak berkeley_cachesize.  When is it safe to do so?  Only
> > when creating a new database?  Only when cyrus is shutdown? On the
> > fly?
> 
> Last time I did this, I just ran a bunch of them in parallel.  That
> allowed me to adjust the load placed on the IMAP server.
> 
That sounds worth a try.  I've been assuming the hold up is disk access,
or maybe db access, in which case it didn't seem going parallel would
help.  But that's just an assumption; if it worked for you maybe it will
work for me.
-- 
Ross Boylan                                      wk:  (415) 514-8146
185 Berry St #5700                               ross at biostat.ucsf.edu
Dept of Epidemiology and Biostatistics           fax: (415) 514-8150
University of California, San Francisco
San Francisco, CA 94107-1739                     hm:  (415) 550-1062



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