Isn't this what "foolstupidclients" does? I think Blackberry might meet the criteria... :wes On 13 Feb 2010, at 18:38, John Madden wrote: > I wrote a couple months ago about "proxyd high cpu usage" and the > problems scanning large mailbox spaces just to see if anything is > available causes us. I worked around the issue by hard-coding the > namespace IMP uses rather than letting it detect it from the > server. Unfortunately, that only fixes one IMAP client. > Blackberry users are causing havoc though, thousands of them > remaining connected all the time and their mail checks coming in > waves that drive load averages on frontends over 300. > > I'm wondering if there is support anywhere for hard-coding the > namespace clients see. We don't use shared folders (impractical > with 400k users anyway) so it would be nice to just turn that > functionality off or at least hide it. Can it be done? I'm can't > use altnamespace at this time (affects the clients). > Unfortunately, the problem is bad enough that I'm "this close" to > writing an imap proxy that supports client-side SSL that will allow > me to tweak the do this on the fly. ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
