[Tilesathome] Munin graphs for ROMA

[Kai Krueger]

On 08/12/08 20:33, Mathieu Arnold wrote:
> +--On 8 décembre 2008 12:25:43 -0500 Milenko<milenko at king-nerd.com>  wrote:
> | Anyone have any ideas on how we could get some munin graphs showing some
> | statistics for the ROMA servers?
> |
> | Requests per hour - average request time - etc?
> |
> | Building the plugin looks fairly straightforward, but I'm not sure what
> | the easiest way to get the data out would be.
>
> The lb stats may be of use :
>
> http://api1.osm.absolight.net:8080/haproxy?stats
> and
> http://api1.osm.absolight.net/munin/osm.mat.cc/api1.osm.mat.cc.html#Haproxy
>
>    
I am not sure how feasible or desirable it would be from within munin, 
but if you parse the actual logs the LB produces, those contain both the 
queue time as well as the server processing time per request. With that 
you could probably create some nice graphs of queue length, time spent 
in the queue and average as well as maximum processing time in a given 
time period, which could nicely add to the haproxy munin graphs already 
available. But as I said, I don't know anything about plug-ins in munin.

Kai