Journey of an IT Architect
Discussion on different levels of container orchestration tools by Docker, including docker compose, docker stack and docker swarm
A field note of deployment of Ansible at scale discussing best practices to handle inventory, variables, playbooks, roles and vault
How an application running on ESXI virtual machine is being kill by memory balloon caused by neighbour VMs on the same host.
Discussion on the data modelling in Cassandra database and how it is different from data modelling in relational database
Discussion on how memory usage of all processes are added up on Linux and how to troubleshoot memory shortage issue.
My field note on some concepts in Git and the common operations such as brach, merge, rebase, cherrypick, stash, reset, pull and fetch
