LARGE single-system Cyrus installs?
Ken Murchison
murch at andrew.cmu.edu
Fri Nov 16 15:56:01 EST 2007
Dale Ghent wrote:
> On Nov 16, 2007, at 2:56 PM, Ken Murchison wrote:
>
>> 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.
>
>
> Portable in what sense, exactly?
>
> Currently the only OSes which offer DTrace is OSX 10.5 and Solaris 10
> (and Solaris Next), so would I be correct to assume that you mean that a
> dtrace feature would have to work on those two OSes?
I don't care if it only works on Solaris 10, but the code can't get in
the way of it compiling and running on any other non-Dtrace system.
--
Kenneth Murchison
Systems Programmer
Project Cyrus Developer/Maintainer
Carnegie Mellon University
More information about the Info-cyrus
mailing list