> 0.23 seconds on a 35MB mailboxes file. I thought I saw in one of you
> other e-mails that yours was taking about one second?
Yeah, .95 seconds in my case. Even with a 4-cpu box, our user load
makes that intolerable, the latency causes things to back up.
John
--
John Madden
Sr UNIX System
On 12/09/2009 10:43 AM, John Madden wrote:
Yes, sorry, Wesley Craig's response pointed me in that direction and that
definitely seems to be the problem.
How many mailboxes are returned by these LIST operations? We run Horde
with Cyrus here, but we have no shared mailboxes and no problems with
Wesley Craig wrote:
> On 08 Dec 2009, at 18:55, Andrew Morgan wrote:
>> How many mailboxes are returned by these LIST operations? We run
>> Horde with Cyrus here, but we have no shared mailboxes and no
>> problems with high load on the Cyrus frontends.
>
> How do you have IMP configured? As
> We set the following in imapd.conf:
>
> sharedprefix: ~ Public Folders
(We don't use altnamespace.)
--
John Madden
Sr UNIX Systems Engineer
Ivy Tech Community College of Indiana
jmad...@ivytech.edu
Cyrus Home Page: http://cyrusimap.web.cmu.edu/
Cyrus Wiki/FAQ: http://cyrusimap.web.cm
>> Yes, sorry, Wesley Craig's response pointed me in that direction and that
>> definitely seems to be the problem.
>
> How many mailboxes are returned by these LIST operations? We run Horde
> with Cyrus here, but we have no shared mailboxes and no problems with high
> load on the Cyrus fronte
On 08 Dec 2009, at 18:55, Andrew Morgan wrote:
> How many mailboxes are returned by these LIST operations? We run
> Horde with Cyrus here, but we have no shared mailboxes and no
> problems with high load on the Cyrus frontends.
How do you have IMP configured? As I recall, at least in older
On Tue, 8 Dec 2009, John Madden wrote:
> read(0, "0002 LIST \"\" INBOX.*\r\n", 4096) = 26
> read(0, "0003 LIST \"\" user.*\r\n", 4096) = 25
> read(0, "0004 LIST \"\" *\r\n", 4096) = 20
>>
>> Maybe I'm losing track of the original thread... You said there was high
>> cpu
On Dec 8, 2009, at 4:03 PM, John Madden wrote:
>> Do your users have access to each other's mailboxes? Is there are a large
>> number of results?
>
> a02 namespace
> * NAMESPACE (("INBOX." ".")) (("user." ".")) (("" "."))
We set the following in imapd.conf:
sharedprefix: ~ Public Folders
Th
read(0, "0002 LIST \"\" INBOX.*\r\n", 4096) = 26
read(0, "0003 LIST \"\" user.*\r\n", 4096) = 25
read(0, "0004 LIST \"\" *\r\n", 4096) = 20
>
> Maybe I'm losing track of the original thread... You said there was high
> cpu usage and slowdown during login. Did you trac
On Tue, 8 Dec 2009, John Madden wrote:
>> Do your users have access to each other's mailboxes? Is there are a large
>> number of results?
>
> a02 namespace
> * NAMESPACE (("INBOX." ".")) (("user." ".")) (("" "."))
Do each of these LIST operations take a long time to perform?
>>> read(0, "0
> Do your users have access to each other's mailboxes? Is there are a large
> number of results?
a02 namespace
* NAMESPACE (("INBOX." ".")) (("user." ".")) (("" "."))
--
John Madden
Sr UNIX Systems Engineer
Ivy Tech Community College of Indiana
jmad...@ivytech.edu
Cyrus Home Page: http
On Tue, 8 Dec 2009, John Madden wrote:
>>> read(0, "0002 LIST \"\" INBOX.*\r\n", 4096) = 26
>>> read(0, "0003 LIST \"\" user.*\r\n", 4096) = 25
>>> read(0, "0004 LIST \"\" *\r\n", 4096) = 20
>>
>> Those LIST queries seem a little odd coming from a normal user account in
>> Cyrus. Ar
>> read(0, "0002 LIST \"\" INBOX.*\r\n", 4096) = 26
>> read(0, "0003 LIST \"\" user.*\r\n", 4096) = 25
>> read(0, "0004 LIST \"\" *\r\n", 4096) = 20
>
> Those LIST queries seem a little odd coming from a normal user account in
> Cyrus. Are you logging in as a Cyrus admin account? Wh
On Mon, Dec 07, 2009 at 01:37:28PM -0800, Andrew Morgan wrote:
> On Mon, 7 Dec 2009, John Madden wrote:
>
> >> At a guess, it sounds like load from LIST. You should be able to see
> >> what's causing the load if you have several seconds. For example,
> >> enable telemetry and look for long turn
-Original Message-
From: Andrew Morgan
Sent: December 7, 2009 5:37 PM
To: John Madden
Cc: info-cyrus@lists.andrew.cmu.edu
Subject: Re: proxyd cpu usage
On Mon, 7 Dec 2009, John Madden wrote:
>> At a guess, it sounds like load from LIST. You should be able to see
>> wh
On Mon, 7 Dec 2009, John Madden wrote:
>> At a guess, it sounds like load from LIST. You should be able to see
>> what's causing the load if you have several seconds. For example,
>> enable telemetry and look for long turn around. Or use strace (or
>> equiv). Have you experimented with foolstu
> At a guess, it sounds like load from LIST. You should be able to see
> what's causing the load if you have several seconds. For example,
> enable telemetry and look for long turn around. Or use strace (or
> equiv). Have you experimented with foolstupidclients? What is your
> client m
> At a guess, it sounds like load from LIST. You should be able to see
> what's causing the load if you have several seconds. For example,
> enable telemetry and look for long turn around. Or use strace (or
> equiv). Have you experimented with foolstupidclients? What is your
> client m
On 07 Dec 2009, at 10:33, John Madden wrote:
> In a 2.3.15 murder I'm seeing high frontend server cpu usage and I'm
> wondering if it's normal or if there's something I can do to reduce
> it.
> What are the bottlenecks that can lead to proxyd pegging a cpu for
> several seconds, particularly du
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