Munin Aggregate Graphs from several servers

Posted by Sparsh Gupta on Server Fault See other posts from Server Fault or by Sparsh Gupta
Published on 2011-06-25T19:47:00Z Indexed on 2011/06/26 0:23 UTC
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ubuntu

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munin

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munin-graph

I am using DNS round robin load balancing and have divided my total traffic onto multiple servers. Each server does around 300-400req/second but I am interested in having an aggregate graph telling me the TOTAL of all requests per second served by our architecture.

Is there any way I can do this. Right now each graph in Munin comes as a separate graph as they depict things on one server.

I am using configuration as follow which doesn't work

doesnt work for me, does this configuration got errors?

[TRAFFIC.AGGREGATED]
  update no
  requests.graph_title nGinx requests
  requests.graph_vlabel nGinx requests per second
  requests.draw LINE2
  requests.graph_args --base 1000
  requests.graph_category nginx
  requests.label req/sec
  requests.type DERIVE
  requests.min 0
  requests.graph_order output
  requests.output.sum \
    lb1.visualwebsiteoptimizer.com:nginx_request_lb1.visualwebsiteoptimizer.com_request.request \
    lb3.visualwebsiteoptimizer.com:nginx_request_lb2.visualwebsiteoptimizer.com_request.request \
    lb3.visualwebsiteoptimizer.com:nginx_request_lb3.visualwebsiteoptimizer.com_request.request

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