[kronolith] Kronolith slow

[Jan Schneider]

Zitat von Paul van der Vlis <paul at vandervlis.nl>:

> Jan Kuipers schreef:
>> Citeren Jan Schneider <jan at horde.org>:
>>
>>> Zitat von Jan Kuipers <jrkuipers at lauwerscollege.nl>:
>>>
>>>> Citeren Paul van der Vlis <paul at vandervlis.nl>:
>>>>
>>>>> Jan Schneider schreef:
>>>>>
>>>>>>> The biggest problem is that when you switch from week to week,
>>>>>>> sometimes
>>>>>>> there appears not one, but two menubars on the top. Then you cannot
>>>>>>> switch anymore from week to week. After a refresh from the browser
>>>>>>> it's
>>>>>>> OK again, but it's very irritating.
>>>>>>>
>>>>>>> What could be wrong?
>>>>>>
>>>>>> I never had a single report of such a behavior. Is this a single user?
>>>>>> Could be a badly broken Browser then.
>>>>>
>>>>> No, it's not a single user, they have 6 PC's in use at the moment, and
>>>>> the problem is on every PC. They use Firefox 3.6.8 and the actual
>>>>> Google
>>>>> Chrome with Windows XP. I have seen it myself on Firefox.
>>>>>
>>>>> The color Schema "azur" is used, can this be important?
>>>>>
>>>>> With regards,
>>>>> Paul van der Vlis.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> http://www.vandervlis.nl/
>>>>>
>>>>> --
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>>>>>
>>>>
>>>> I notice this behaviour too. I seems a random thing. Mostly the
>>>> screen refreshes instantly, but sometimes it takes 5-10 sec (screen
>>>> showing "Loading") to refresh the screen after switching weeks,
>>>> months, etc. First I thought this was a cache issue so I tried both
>>>> Memcached and APC to speed things up, but this behaviour still
>>>> remains. I don't see any accessive cpu activity on the webserver when
>>>> the screen is showing "Loading"
>>>> Horde is running on a CentOS 5.5 server with a mysql backend.
>>>> Used browsers: Firefox, Chrome, IE8
>>>> Users: apx. 200
>>>
>>> This has nothing to do with the issue that Paul described. What you
>>> see is probably the cache for remote calendars being refreshed.
>
> My customer says it's slow at random times.
>
> ( He refuses to test with another color-schema, because he thinks it has
> nothing to do with the problem... )

Well, you can't help people who don't want to get help.

>> I only use local sql-based calendars (1 private, 3 shared, on the same
>> server). Another thing which seems to have influence on this behaviour
>> is the sessionhandler. When using the file-based sessionhandler the
>> refresh is much more consistent (0-1 sec). When using the sql-based
>> sessionhandler I sometimes get those excessive refresh times. Dunno
>> what's causing it. In the meantime I'll use the file-based sessionhandler.
>
> I don't use a sessionhandler I think...
>
> This is in my horde conf.php:
> $conf['session']['name'] = 'Horde';
> $conf['session']['use_only_cookies'] = true;
> $conf['session']['cache_limiter'] = 'nocache';
> $conf['session']['timeout'] = 0;
> $conf['sessionhandler']['type'] = 'none';
> $conf['sessionhandler']['memcache'] = false;
>
> Can this be the problem?

No.

Jan.

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