Stress your app

to be less stressed

with JMeter

www.merciedgar.com

Christophe Robillard

@krichtof

Founder of Merci Edgar

CRM for artists, managers

Performance optimizing

"Premature optimization is the root of all evil."

"We should forget about small efficiencies, say about 97% of the time"

"Yet we should not pass up our opportunities in that critical 3%.”

Donald Knuth

When

Memory or CPU intensive tasks
Limited resources

Use case

Spreadsheet import
Audience : end-users, not geeks
CSV, line by line
XLS, need to load the entire file in memory
Limited resources

Load test

Load : Nb concurrent users or HTTP connections
Ramp up the load (from few users to predefined max)
Load test vs stress test

Load test tools

Commercial

LoadRunner
Cloud services : Loader.io, Flood.io

Open source :

Apache JMeter
Gatling

Apache JMeter

Open Source
Large community
HTTP Client, no javascript support
Easy installation
Recording
Distributed mode

JMeter UI

Ruby - Jmeter

https://github.com/flood-io/ruby-jmeter

require 'rubygems'
require 'ruby-jmeter'

test do
  threads count: 10, rampup: 5, duration: 10 do
    cookies
    cache
    visit name: 'Google Search', url: 'http://google.com'

    submit name: 'Submit Form', url: 'http://altentee.com/search',
      fill_in: {
        q: 'Paris Ruby',
      }
    
  end
end.jmx(file: "testplan.jmx")
# end.grid('NTEbtAr6Yu4yF-s7xzcX')

Flood.io

Questions ?

jmeter.apache.org

jmeter-plugins.org

github.com/flood-io/ruby-jmeter