Collecting java.util.logging to log4j2

Everybody wants to write a log. And in Java everybody wants to write their own logging framework or at least use of the many different ones. Then someone comes up with logging framework framework such as SLF4J. OK but what was I about to say. As so many times, I had a piece of Java […]

Performance testing with InfluxDB + Grafana + Telegraf, Part 3

This time running the test with the fixed SNMP based router monitoring and with the client-server monitoring as well. Notice in the following graphs how I learned to also put two scales on a single chart, combine line and bar charts, and add units to all the charts. OOoooo, prettyy…. First up, the number of […]

Performance testing with InfluxDB + Grafana + Telegraf, Part 2

Previously I ran my performance test in a local test environment. However, the actual server should run in the Amazon EC2 cloud on one of the free tier micro instances (yes, I am cheap but it is more of a hobby project bwaabwaa.. 🙂 ). So I installed the server on my EC2 micro instance […]

Performance testing with InfluxDB + Grafana + Telegraf, Part 1

Previously I played around with ElasticSearch + Kibana, which was nice for visualizing some activities on my Minecraft server. I then proceeded to try the same for some server performance metrics data such as CPU and memory use (collected using some Python scripts I created with the psutil library). ES + Kibana are absolutely great […]