cpu and cyrus

Maria McKinley maria at shadlen.org
Fri Sep 2 12:44:13 EDT 2011


On 9/1/11 9:54 PM, Maria McKinley wrote:
> On 9/1/11 5:28 PM, Dan White wrote:
>> On 01/09/11 15:25 -0700, Maria McKinley wrote:
>>> On 9/1/11 11:49 AM, Dan White wrote:
>>>> Do you use any group ACLs? It looks like your imapd process may be
>>>> waiting
>>>> for a group list enumeration to complete, via an nss ldap plugin.
>>>>
>>>> If so, and you are using the default 'auth_mech: unix' group
>>>> authorization
>>>> config, this is not a recommended configuration per:
>>>>
>>>> http://www.cyrusimap.org/docs/cyrus-imapd/2.4.10/overview.php#aclauth
>>>>
>>>> Doing so can cause performance issues.
>>>>
>>>
>>> I don't think I am using group ACLs, as I don't remember setting it
>>> up, but haven't been able to figure this out definitively. How can I
>>> tell if I am using any group ACLs? Am I trying to index on groups? I
>>> remember setting up to index on different things, but can't find where
>>> this is set up, so maybe I am making this up. Feeling way over my
>>> head, sorry, and thanks so much for your help.
>>
>> IMAP group ACLs are prepended with 'group:', and would look like this in
>> cyradm:
>>
>> localhost> listacl user.test
>> test lrswipkxtecdan
>> group:wheel lrswipkxtecda
>>
>
> Thanks. Turns out that is what I was looking at, I just don't have any
> groups set, so didn't see anything. I guess that isn't the problem,
> then. I rebuilt a few mailboxes that were showing up in the runaway
> processes. So far I haven't had any processes go nuts, but still too
> early to know for sure.
>
> ~maria

Didn't work, crazy processes came back. It does seem that one particular 
user shows up in all of the processes that go nuts. I tried rebuilding 
his mailbox, but this obviously didn't have any affect. Any ideas about 
what else I can do? I am willing to try updating cyrus if this may help, 
but I was hoping to avoid this for another month or so.

~maria


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