Scaling out your load tests using Gatling, Packer, and a cloud provider (in this example we will use DigitalOcean and Amazon EC2. *This post assumes that you know what Gatling is all about and need to scale your existing scenario to run from several machines / from different networks. *want to try this out? use […]

Need to merge multiple maps by their keys and make manipulation on the values?  this post is probably for you! Why ? previous experience with map reduce, many times data collected was in a Map structure, found myself repeatedly summing/appending/listing/manipulating maps   Assuming we have 2 maps with names of people as the key and the […]

Motivation:  in continues deployment there is some sense indicating build number in the app version. not just GIT hash (nobody knows the meaning of …) In this example: we will use sbt + docker plugin. after understanding the idea you can achieve this in many different methods. Basically we need to pass build# into our app, the […]