480.000 users / minutes : How we proved our latest platform application performance with JMeter

We are currently building at AFRICASYS a mobile platform application to solve problem around drugs accessibility for population and one of the major requirements at performance level was expressed as:

« The platform MUST be able to handle 100.000 users requests per minute ». Now that the development as reached the 1st milestone, the team has to prove that the application can actually take that load…. Here comes

 

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AWS ELB: Zero downtime or Blue Green or Canary deployments!

In this post (https://zoumana.wordpress.com/2014/06/16/zero-downtime-deploiement-sur-tomcat7/), i talked about the Zero Downtime deployment feature inside tomcat 7 and later.

To summary this was about deploying a newer version of the same app within the same tomcat container keeping the previous WAR serving the HTTP requests until the new version is successfully deployed to take over the next users’ requests.

Today the target is the same:  avoiding to take an application off-line during an upgrade for the happiness of end users 🙂 but through one of Amazon Web Services feature: Elastic Load Balancer! Lire la suite