cloud

This tag is associated with 2 posts

Graviton2 versus Graviton4

Posted by Jeremy ⋅ August 3, 2025 ⋅ 2 Comments

Just a short post, because I thought this was pretty remarkable. Below, I have screenshots showing the CPU utilization of two AWS instances in us-west-2 which are running an identical workload. They are running the CloudNativePG playground, which is a production-like learning and testing environment (all running virtually inside the single ec2 instance, which can … Continue reading →

Testing loadBalancerSourceRanges with CloudNativePG on Azure Kubernetes

Posted by Jeremy ⋅ March 14, 2025 ⋅ Leave a comment

This option didn’t seem super widely documented from my initial searches online; it should be able to basically enforce layer 4 ingress/firewall rules at the individual service level. This is a quick test to check if it works. Steps were generated with ChatGPT, and mostly worked. It missed Azure provider registration, but I figure that … Continue reading →