LARGE single-system Cyrus installs?

Ken Murchison murch at
Fri Nov 16 14:56:04 EST 2007

Dale Ghent wrote:
> On Nov 16, 2007, at 1:39 AM, Pascal Gienger wrote:
>>> Solaris 10 does this in my case. Via dtrace you'll see that open()  
>>> on the
>> mailboxes.db and read-calls do not exceed microsecond ranges.  
>> mailboxes.db
>> is not the problem here. It is entirely cached and rarely written
>> (creating, deleting and moving a mailbox).
> Hmm, I'm wondering if the Cyrus devs would be receptive to the idea of  
> implementing some dtrace probes in Cyrus.
> Stuff such as mailbox open/close, IMAP operations such as SELECTs,  
> message retrievals, and so on.

We'd probably accept a patch, as long as its portable.

Kenneth Murchison
Systems Programmer
Project Cyrus Developer/Maintainer
Carnegie Mellon University

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