[Koha-devel] Koha Load Testing

[Liz Rea]

I created the wiki page... go for it!

(great idea, by the way)

http://wiki.koha-community.org/wiki/Koha_Tuning_Guide

Liz
On Apr 14, 2011, at 10:23 AM, LAURENT Henri-Damien wrote:

> Le 14/04/2011 17:10, Ian Walls a écrit :
>> Fellow Kohackers,
> Hi
> 
>> 
>> 
>> Do any of you have a favour script or suite of scripts (or even a
>> method) for doing load testing against a Koha installation?  I know
>> there are some scripts available in misc/load_testing, but my
>> understanding is they aren't terribly useful or current.  Is that correct?
> quite.
> I did use ab and siege.
> But siege is my favourite.
> The nice thing with siege is that you can input a url file that will do
> the search with all the url provided.
> I used a TransferLog from apache, (One or two days) edited to suit the
> siege format for input and that was VERY useful for load testing.
> http://opac.distant/cgi-bin/koha/opac-search.pl?idx=&q=l%27explosion+de+la+communication
> provides that kind of output
> 
> ** SIEGE 2.70
> ** Preparing 30 concurrent users for battle.
> The server is now under siege...^C
> Lifting the server siege..      done.
> Transactions:		         450 hits
> Availability:		       100.0 %
> Elapsed time:		       64.00 secs
> Data transferred:	        2.82 MB
> Response time:		        4.25 secs
> Transaction rate:	        7.03 trans/sec
> Throughput:		        0.04 MB/sec
> Concurrency:		       29.92
> Successful transactions:       31806
> Failed transactions:	           0
> Longest transaction:	        7.37
> Shortest transaction:	        0.00
> 
> The nice thing is that you can use -v to see which elements have errors.
> 
>> 
>> Something that can throw a user-configured amount of punishment at a
>> Koha server, then report on the results, would be ideal.  The output
>> should include both the user perspective (response times) and what's
>> happening on the machine (memory/CPU usage, query times, etc) in the
>> context of the machine's specifications.
> Having both in one software would not be possible unless you have a
> client and server script to do that... But then ... it could be like an
> auditer having some interests in the place. But I may be mislead.
> 
> You can use munin or nagios to inspect the server while load testing.
> 
>> 
>> If all this data can be compiled for various configurations, I think
>> we'd have the makings of a fine, evidence-based Koha Tuning Guide.
> 
> We already have bits in the koha-devel list for that.
> We would need to compile those bits into an administration/setup guide
> though on the wiki. #idea
> Hope that helps.
> -- 
> Henri-Damien LAURENT
> BibLibre
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