Great thread. Here as some real world numbers based on our spools
here at BU.
One of our masters has 4,800 users, 22,000 mailboxes, and is using about
374G of disk.
Based on the md5 files for these users there are 6,046,363 messages. If
I look at the first md5 value (md5 on the msg if I
On Dec 30, 2008, at 4:43 PM, Shawn Nock wrote:
[...]
a scripted rename of mailboxes to balance partition utilization when
we
add another partition.
Just curious - how do stop people from accessing their mailboxes
during the time they are being renamed and moved to another partition?
. That way I can selectively gzip messages
based on some algorithm involving message size and lack of activity.
I haven't yet had the chance to do the analysis on the spool to see
what sort of space gains I could expect.
Nik Conwell
Systems Programming
Boston University
Cyrus Home Page: http
On Jun 3, 2008, at 3:10 AM, Rudi Bruchez wrote:
Hello,
I'm using Cyrus on a Debian box, with pop3s. I found some time ago
that
someone was able to place a spamming tool in the /var/spool/cyrus/
directory. I cleaned it and changed all my passwords. All seemed ok.
Hopefully you are keeping
lower quota root.
If I remove the user/nik/restore quota and do quota -f, the value matches the
original again:
sq user/nik/restore remove 1
quota -f|grep -E user/nik|Quota
Quota % Used Used Root
10485760 15 1640288 user/nik
-nik
Nik Conwell
Office of Information Technology
On Thu, 1 May 2008, Alain Spineux wrote:
The full / 1024 matches the original 1640288 used so the problem seems to be
quota -f not correctly traversing when there is another lower quota root.
traversing ? Hum. Is it possible that cyrus stop counting as soon as
it find another quota root ?
On Feb 28, 2008, at 4:38 PM, Jeff Fookson wrote:
is about 200GB. There are typically about 200 'imapd'
processes at a given time and a hugely varying number of
'lmtpds' (from
about 6 to many hundreds during
times of greatest pathology). System load is correspondingly in the
2-15
On Oct 17, 2007, at 9:55 PM, Craig White wrote:
OK - what I discovered was that TLS works with this setup (telnet
localhost 143)
IMAP/SSL doesn't seem to work when you 'telnet localhost 993' but on a
client that is forgiving for self-signed certificates, it does
actually
work. So much
for sharing Vincent. We are currently
planning converting ~40K UW accounts to Cyrus.
We have been a little more successful distributing the UW load so we
are not quite as desperate as you were. :)
-nik
Nik Conwell
Boston University
Cyrus Home Page: http://cyrusimap.web.cmu.edu/
Cyrus Wiki/FAQ
On Sep 11, 2007, at 3:00 PM, Paul M Fleming wrote:
I had the same problems. if you google for this you'll find a
discussion regarding how SASL context expires should be handled.
Heimdal allows expired contexts to be used after expiration. MIT
does not.
Thanks. I had seen your posting
This is typically an Outlook problem. The client runs various
filters, and possibly has perf issues on local disk (look for disk
light activity on the PC) as it's updating its caches.
Turn on Cyrus logging for the particular user (in the server config
log subdir do mkdir username and make
On Aug 27, 2007, at 11:14 AM, Mike Eggleston wrote:
[...]
Where is the server logging sub-directory? I do not see one in
/var/lib/cyrus-imapd (those are all binaries) nor do I see one in /
var/log.
It should be a subdirectory called log in whatever directory
configdirectory is set to in
it left
off.
-nik
Nik Conwell
Boston University
Cyrus Home Page: http://cyrusimap.web.cmu.edu/
Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki
List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
On Thu, 24 May 2007, Hans Moser wrote:
Hi!
Does anyone actually backup and restore Cyrus IMAPd with Tivoli Storage
Manager (TSM)?
As far as my backup admin told me, the restore tool only shows file names, I
cannot see file content. So if user comes and tells
I lost my email x from user
discovered you can't
replicate 2.3.7 to 2.3.8 (CREATE has an extra argument at 2.3.8) so
it wouldn't surprise me if it generally isn't considered a good idea
to mix versions like this in a murder.
-nik
Nik Conwell Information Technology Boston
University
[EMAIL PROTECTED
On May 9, 2007, at 2:01 PM, Wesley Craig wrote:
Obviously looking at more iostat information would give a better
idea, but I'd estimate that you are NOT I/O bound. Sorry I can't
give you absolute numbers from UM, but I can share a patch that we
wrote that we believe has increase sync
On Apr 11, 2007, at 8:37 PM, Bron Gondwana wrote:
As for complexity? It's on the cusp. We've certainly had many more
users on a single instance before, but we prefer to keep under 10k
users
per Cyrus instance these days for quicker recoverability. It really
Hi - just a clarification
On Jan 12, 2007, at 10:43 PM, Rob Mueller wrote:
Yep, this means we need quite a bit more software to manage the
setup, but now that it's done, it's quite nice and works well. For
maintenance, we can safely fail all masters off a server in a few
minutes, about 10-30 seconds a store. Then
On Jan 18, 2007, at 5:35 PM, Rob Mueller wrote:
Attached is our operation group's notes on the subject. It makes
reference to the tool we use to manage the OS of the machines
(radmind), but it should be pretty clear what they are talking about
without any radmind knowledge.
As an FYI, we
/s rsec/s wsec/srkB/swkB/
s avgrq-sz avgqu-sz await svctm %util
dm-0 0.00 0.00 0.00 429.960.00 3439.65 0.00
1719.83 8.00 7.24 16.75 1.86 80.01
Production (40,000+ users) would probably be FC and gigE...
Nik Conwell
Boston University
[EMAIL
I can (via cyradm) issue renames to a frontend and move people from
backend to backend just fine, but if I issue xfermailbox to the
frontend to move people it hangs and I end up with a frontend
mboxlist that's messed up (points to frontend).
Is this a bug or am I just stupid issuing
I'm using the UW mailutil to transfer mailboxes from UW to Cyrus
(2.3.7). It uses APPEND, specifically multiappend (single APPEND
with multiple messages being appended). Cyrus-imapd handles this
multiappend by creating stage files for each appended message and
leaving the file
On Dec 11, 2006, at 12:29 PM, Andrew Morgan wrote:
On Mon, 11 Dec 2006, Nik Conwell wrote:
I'm using the UW mailutil to transfer mailboxes from UW to Cyrus
(2.3.7). It uses APPEND, specifically multiappend (single APPEND
with multiple messages being appended). Cyrus-imapd handles
On Dec 11, 2006, at 1:02 PM, Rich Graves wrote:
Nik Conwell wrote:
multiple messages being appended). Cyrus-imapd handles this
multiappend by creating stage files for each appended message and
leaving the file descriptor open. The problem is that after 240
messages, we run out of file
On Dec 11, 2006, at 1:27 PM, Andrew Morgan wrote:
On Mon, 11 Dec 2006, Nik Conwell wrote:
On Dec 11, 2006, at 12:29 PM, Andrew Morgan wrote:
On Mon, 11 Dec 2006, Nik Conwell wrote:
I'm using the UW mailutil to transfer mailboxes from UW to Cyrus
(2.3.7). It uses APPEND, specifically
On Dec 4, 2006, at 6:42 PM, Andrew Morgan wrote:
On Mon, 4 Dec 2006, Rafael Mahecha wrote:
[...]
I used to use tivoli to backup the old server (which was ok since
no data bases were involved)... but since cyrus has databases and
such, I am concern about file-locking and database
] On Behalf Of Nik Conwell
Sent: 05 December 2006 12:05
To: Cyrus User's Mailing List
Subject: Re: how to backup a cyrus server?
ctl_mboxlist -d for a text mailboxes file, ctl_cyrusdb -c to
checkpoint, a sync, and then a lvcreate --snapshot --size 10G --name
lv_cyrus_snapshot /dev/vg_cyrus/lv_cyrus
On Dec 1, 2006, at 12:29 PM, Timo Veith wrote:
[...]
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
And I can wait and wait ...
This is the point where I start wondering what the hell cyrus is
doing now
that it takes so long to answer.
I started the master daemon
On Nov 29, 2006, at 4:17 PM, Greg A. Woods wrote:
The only thing I don't like is use of a file in the filesystem as a
flag
instead of using a proper configuration file whos contents can be
version controlled and more easily backed up, restored, documented,
centralized, shared, and
Thanks to all for the suggestions. They were very good so I ignored
them. :)
I've patched imapd.c (cmd_login and cmd_authenticate) so that the
presence and contents of {config_dir}/captive/{username} indicate the
actual user that should be logged in (providing it begins with
disabled).
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