[horde] Problem of slow with server-side sorting

[Michael Rubinsky]

Quoting gimili <gimili17 at gmail.com>:

> Andrew Morgan wrote:
>> On Mon, 1 Jun 2009, Jose Luis Marin Perez wrote:
>>
>>> So what could happen? because the accounts that actually have too  
>>> many emails it takes more than 2 minutes to load this show.
>>>
>>>
>>> Please I need your help to solve this problem
>>> Thank you
>>>
>>> Jolumape
>>
>> Do those users have Options -> Mail -> Mailbox and Folder Display  
>> Options -> Default sorting criteria set to "Arrival Time"?  This  
>> should be the lowest impact on the IMAP server.  Anything that  
>> causes IMP to retrieve message headers or bodies will cause the  
>> problems you describe as mailboxes grow large.
>>
>>    Andy
>> -- 
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>
> I inadvertently switched away from "Arrival Time" and imp became  
> **very** slow.  It took me awhile to figure out what I had done.   
> IMHO there should be a big warning next to this option about the  
> possible effect on performance.  Perhaps consideration should be  
> given to having it locked by default in prefs.php.

There is a note about this already in the IMP configuration screen  
accompanying the conf[server][sort_limit] setting - which tells IMP to  
use the arrival time sort if a mailbox contains over a certain number  
of messages.

Thanks,
mike

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