#java

Testing and Comparing 5 Rest Api Clients While I was working on a performance test of my folaris server, I wanted to find out how well it performs. The performance obviously depends on the available network bandwidth and CPU power. I was happy to see it performs well without using a lot of memory and processor time. First I tested with Powershell/Invoke-RestMethod on localhost interface, I got an average 606 calls per second. [Read More]

AWS Lambda looks simple when you look at the code. It’s also really easy to see the benefits. But it’s tedious to get to it to work. Take a look Alex Edward’s very good tutorial. AWS SAM CLI is aimed to make it simpler. Testing aws-sam-cli My sam cli testing was based on code generated by aws-sam-cli. Local testing is done using Docker images from lambdaci/lambda. I also described the issues running Docker containers that need Internet access, and how to solve them. [Read More]

Sumary Testing a single-file source program A Maven project: jdbc and csv export Today Oracle just released JDK 12. Like most developers, I am still using JDK 1.7 or 1.8. But I am curious about it. So I spent some time on JDK 11. Single-file source code Basically you do not need to compile first before you run. Java single-source has no dependency management: you still have to set up classpath just like you run a compiled Java class file. [Read More]