Hi Jerome,

Thanks for this! I tried to analyze quickly but I couldn't draw any conclusion.

Some data look dubious. For example the HTTP response time: they say that no 
HTTP request took longer than 40-50ms. I don't believe this or I don"t 
understand what it means. Loading a page takes more than 1 seconds overall, 
spread over several HTTP request but the main request itself takes more than 1 
second. Also since myxwiki.org restarts automatically when it cannot access it 
through an HTTP request for more than 30 seconds, we should see HTTP request 
taking 30 seconds!

Any idea?

Thanks
-Vincent

On Feb 1, 2011, at 11:54 AM, Jerome Velociter wrote:

> Here are a first set of graphs, exported statically from cacti :
> 
> http://myxwiki.org/xwiki/bin/view/Admin/Graphs
> 
> It includes, hourly, daily, weekly, monthly and yearly averages for :
> 
>    HTTP response time
>    MySQL connections
>    MySQL queries
>    TCP Response time
>    Tomcat heap (free and used)
>    Tomcat connection rate (requests and errors)
>    Threads (existing and busy)
>    Tomcat throughput  (inbound and outbound)
> 
> This one is static, but we'll try to have dynamic graphs directly in
> wiki pages in a near future. We'll keep you posted.
> 
> Jerome, on behalf of XWiki SAS platform team
> 
> On Fri, Jan 28, 2011 at 12:02 PM, Jerome Velociter <[email protected]> wrote:
>> Hi Vincent,
>> 
>> Yes, we can publish some Cacti graphs, for the overall CPU and memory
>> usage of the machine and HTTP response time.
>> 
>> We don't have tools that detect usages per wiki AFAIK.
>> 
>> Note that we plan to add a new machine for myxwiki soon, and configure
>> a load balancer in front of the 2 machines.
>> 
>> Jerome.
>> 
>> On Fri, Jan 28, 2011 at 10:36 AM, Vincent Massol <[email protected]> wrote:
>>> Hi devs,
>>> 
>>> We're accepting new wikis on myxwiki.org as requests come in but we already 
>>> have 110 wikis created on it.
>>> 
>>> When do we know we shouldn't accept new wiki creation on that JVM because 
>>> it's degrading performances too much?
>>> Do we have tool to monitor wiki activity and publish on a page which wikis 
>>> are using the most resources?
>>> Do we have tools to display response time stats and see how they evolve 
>>> over time?
>>> 
>>> Thanks
>>> -Vincent
>>> 
>>> 
>> 

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