[horde] Finding bottlenecks

Jan Schneider jan at horde.org
Sat Jan 5 10:44:41 UTC 2013


Zitat von Jānis <je at ktf.rtu.lv>:

> Citējot Jan Schneider <jan at horde.org>
> Fri, 04 Jan 2013 23:08:12 +0100:
>
>> Zitat von Jānis <je at ktf.rtu.lv>:
>>
>>> Hi!
>>>
>>> After upgrade to H5 I am meeting significant delays in system  
>>> response during navigation through mailboxes/reading mail and even  
>>> more - during sending (basic view).
>>>
>>> Is it a common "feature" or it is possible somehow to locate such  
>>> bottlenecks and somehow resolve them?
>>>
>>> The server running H5 is Slack64-14 on AMD 3800+, 1 GB ram, php  
>>> 5.3.19 on RAID1, httpd swapping heavily
>>
>> Then you already *have* found the bottleneck. Swapping slows down  
>> any system.
>
> I know, the question is - why? In H4 times the same system (ok minus  
> 2 verions of the base system) behaved so only during Pootle  
> experiments on virtual machine.

Finding out what exactly in a request is consuming a lot of memory is  
not easy. But if you enabled debug logging, you at least know *which*  
requests are consuming a lot of memory.
-- 
Jan Schneider
The Horde Project
http://www.horde.org/



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