On Tue, 2003-11-11 at 18:12, Etienne Goyer wrote:
Very interesting ... we expect a similar load (~30K active users) on
similar hardware, except the mupdate master will run on a separate
machine. I suppose you run your MTAs on the frontend, as such that's
where the bottleneck is ?
yep, that's
On Tue, 2003-11-11 at 18:32, Simon Matter wrote:
That's exactly what I'm doing here. Almost every MTA and the cyrus servers
have their own LDAP replica. I had some problems years ago when the
central and only LDAP Master hung from time to time. Now, every service is
configured to use it's
Configuration for murder hardware. What is not clear to me is the
basis for determining the number of frontend servers and backend
servers. I would appreciate any help or pointers to additional
documentation.
well, the number of mailboxes should not be of any concern, the expected
load
On Tue, Nov 11, 2003 at 11:02:09AM +0100, Thomas Hager wrote:
on another site i'm running a cyrus murder with 2 frontends and 2
backends handling about 30k users. we have ldap daemons on the backend
used for user authentication/mail routing and mtas on the frontends
handling smtp.
this system
On Tue, 11 Nov 2003, Etienne Goyer wrote:
but it reaches its limits in very busy hours. usually the cyrus internal
authentication begins to fail. backends and mupdate slaves can no longer
Looks like an overloaded LDAP backend to me...
I've seen this enough on our systems that I use
On Tue, Nov 11, 2003 at 01:26:58PM -0200, Henrique de Moraes Holschuh wrote:
On Tue, 11 Nov 2003, Etienne Goyer wrote:
but it reaches its limits in very busy hours. usually the cyrus internal
authentication begins to fail. backends and mupdate slaves can no longer
Looks like an
On Tue, 2003-11-11 at 16:26, Henrique de Moraes Holschuh wrote:
Looks like an overloaded LDAP backend to me...
I've seen this enough on our systems that I use sasldb+ldap, with all
internal users (cyrus admins, etc) in sasldb, and the real users in ldap
that's exactly our current setup.
On Tue, 2003-11-11 at 15:23, Etienne Goyer wrote:
Very interesting ... I am building a Murder whee we expect a similar
load. Could you expand a bit on the hardware used ?
we use compaq dl360g3 on all machines. they are equipped with 2x Intel
Xeon 2.8GHz and 2GB RAM. 4 70GB hdds are configured
On Tue, 2003-11-11 at 16:54, Etienne Goyer wrote:
Exactly what we planned on doing too. Did it made a big difference to
you to have internal (i guess admin, proxy and mupdate) users in sasldb?
as i said previously, we have no problems at all with external users
authenticated via saslauthd.
our
We planned on running multiple MTA, one by frontend (2), to get some
redundancy. I'll keep the idea in mind, in case the frontend choke up.
we plan to run 4 mtas, 2 handling incoming traffic, 2 for outgoing
traffic, with ldap slaves on each mta.
the mtas will use these ldap slaves for mail
On Tue, 2003-11-11 at 16:54, Etienne Goyer wrote:
Exactly what we planned on doing too. Did it made a big difference to
you to have internal (i guess admin, proxy and mupdate) users in sasldb?
as i said previously, we have no problems at all with external users
authenticated via saslauthd.
We are in the process of converting UW Imap to Cyrus Imap. We have about
10K users using about 100K mailboxes. We anticipate the number of users
to increase to 15K.
I looked at http://asg.web.cmu.edu/cyrus/ocnfig.html that describes
Cyrus Configuration for murder hardware. What is not clear to me
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