I'm looking for some direction, Cyrus will randomly peg processor and slowly take the processor to 100% utilization. And email will come to a crawl. Restarting Cyrus will usually fix the problem but sometimes the process needs killed.

I can find nothing in the imapd.log/mail.err/mail.warn/mail.info/messages log files that point me to what could be causing this. I feel completely in the dark. I can't seem to put together any relevant time table...

System Ubuntu Server 9.10
Cyrus 2.2
Using LDAP

What am I missing? Anyone seen this?
Looking for direction on how to troubleshoot this farther.

I'm using cyrus in several different locations/distributions, I'm not using LDAP, but I haven't seen this problem. Is it actually random timing, does it happen at a particular time of day? Is it anything to do with squat indexing, sieve?

There doesn't seem to be any specific time frame. Sometimes in the morning sometimes in the evening.

I will take a look into the 2 items mentioned maybe that will point me in a new direction. I will update this when I can..

Thank you