Long startup time (1h 30m)

[Jules Agee]

I've had this happen a few times, reconstructing the deliver db on 
startup. I don't think this db is used for anything besides duplicate 
delivery suppression, is it? Is there a recommended way to clean this 
out periodically? I rarely get duplicates that show up more than a 
minute apart. I think it would be ideal to clean out all references to 
messages more than a week old, since getting duplicates more than a week 
apart would practically never happen.

-Jules

Dennis Sjogren wrote:
> Greetings!
> 
> We've been running the Cyrus IMAP server for couple of months now. Apart 
> from the server experiencing high load (we'll throw money at it and see 
> what happens) from time to time, it's mostly been smooth sailing.
> 
> However, one thing is a bit worrying. Startup of the Cyrus software 
> takes about 1 hour and 30 minutes. For some reason, email services seems 
> important to our users. :) Anyway, as any organization, we try to 
> minimize downtime in core services as much as possible, but this long 
> startup time really makes that difficult.
> 
> I've googled ALOT, and found some users with similar problems or worse. 
> Some guy had a startup time of 4 hours! However, no real solution has 
> emerged. The wiki suggests checkpointing more often, but we already do 
> that every 10 minutes. Shouldn't that be enough?
> 
> Any suggestions, ideas, comments would be appreciated. Developers 
> comments? Here are our specs:
> 
> HOST: Sun Sunfire V240
> CPU:  2 x 1.2GHz
> MEM:  2GB (will be upgraded to 4GB asap)
> DISK: (db) 2 x 10k RPM, internal, mirrored, UFS, nologging
> DISK: (spool) SAN (6120-system)
> 
> Cyrus v2.2.5, BerkelyDB 4.2 + default patches
> Everything compiled with GCC 3.4.0
> mailboxes.db about 10MB
> deliver.db about 18MB
> About 10k users on system, unknown number of mailboxes, though about 4M 
> inodes are used on /var/spool/imap.
-- 
Jules Agee
System Administrator
Pacific Coast Feather Co.
julesa at pcf.com      x284
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