AWS

Rancher, up and running, on EC2 – 3 – Rancher setup

The is the next post in this little Rancher series. After we installed a single node RKE cluster and extended this configurtation to three nodes we will finally install Rancher in this post.

Rancher, up and running, on EC2 – 2 – Three nodes

In the last post we've brought up a RKE Kubernetes cluster on a single node. While that is cool for demonstration purposes or testing, this is nothing for a real life setup. Running the control pane, the(…)

AWS: PostgreSQL on Graviton2

By Franck Pachot . On the AWS free tier, you can run a t2.micro instance for 750 hours per month during the first 12 month after sign-up date. And currently, until June 2021, you can also run a(…)

Rancher, up and running, on EC2 – 1 – One node

If you want to play with Rancher you have several options, as outlined in the documentation. There are quick starts for the major public cloud providers (using Terraform), you can install(…)

8000 PostgreSQL clusters on one host?

Coming back to the last post: 8000 databases in one PostgreSQL cluster?. As we've seen this is doable but comes with a lot of pain points. Another solution for this kind of requirement would be to host(…)

AWS EC2 instance deployment with Terraform

When it comes to quickly provision a server in the Cloud, using an Infrastructure as Code (IaC) tool is a solution to consider. There are many IaC products available and among them, Terraform seems to be the most popular.

DynamoDB Scan: the most efficient operation 😉

By Franck Pachot . The title is provocative on purpose because you can read in many places that you should avoid scans, and that Scan operations are less efficient than other operations in DynamoDB. I(…)

Amazon Aurora: calling a lambda from a trigger

By Franck Pachot . You may want your RDS database to interact with other AWS services. For example, send a notification on a business or administration situation, with a “push” method rather than a “pull” one from a Cloud(…)

Aurora Serverless v2 (preview) – CPU

By Franck Pachot . This follows my previous post https://www.dbi-services.com/blog/aurora-serverless-v2-ram/ ‎which you should read before this one. I was looking at the auto-scaling of RAM and it is now time to look at the CPU(…)

Aurora Serverless v2 (preview) – RAM

By Franck Pachot . What is Aurora Serverless? That’s the RDS Aurora name for auto-scaling: instead of provisioning an instance size (from the burstable db.t3.small with 2 vCPU and 2GB RAM to db.r5.16xlarge with 64 vCPU and 512 GB(…)