perl-modperl mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From SUZUKI Arthur <arthur.suz...@univ-lyon3.fr>
Subject Cache refresh each 50 queries?
Date Tue, 04 Oct 2016 08:17:18 GMT
Re-posted with a suitable title (thank you André Warnier)

Regards,

Arthur Suzuki

On 03.10.2016 16:57, SUZUKI Arthur wrote:
>> Hello List,
>> I'm sending this message to know if there are some hints/tips to help 
>> with the problem we're facing.
>> The problem is that for a same query repeated over time,
>> reply time can be as short as 5ms and as long as 1s.
>>
>> Since there is neither correlation with CPU load or RAM usage, nor 
>> any networking constraints,
>> we think it is due to the cache refresh mechanism.
>>
>> The problem occurs at random times, with a probability of around 1/50 
>> queries (empirical
>> data).
>>
>> Is there any configuration option which could help?
>>
>> Our current httpd.conf contains the following:
>>
>> PerlModule ModPerl::Registry
>> PerlOptions +Parent
>> PerlSwitches -I/home/koha/src
>>
>> <Files "ilsdi.pl">
>>    SetHandler perl-script
>>    # more faster, link with worker
>>    PerlResponseHandler ModPerl::Registry
>>    # less faster, link with prefork
>>    #PerlResponseHandler ModPerl::PerlRun
>>    Options +ExecCGI
>>    PerlOptions +ParseHeaders
>> </Files>
>>
>> Thanks a lot in advance for your replies.
>> Best regards,

-- 
Arthur SUZUKI
Service informatique des bibliothèques
BIBLIOTHÈQUES UNIVERSITAIRES
Université Jean Moulin Lyon 3
6 Cours Albert Thomas - B.P. 8242 – 69355 Lyon Cedex 08
ligne directe : +33 (0)4 78 78 79 16 | http://bu.univ-lyon3.fr
L'Université Jean Moulin est membre fondateur de l'Université de Lyon


Mime
View raw message