Daniel Westermann

PostgreSQL, pg_ctl and signals

I believe most people use pg_ctl nowadays to start, stop, or restart a PostgreSQL instance. You can do all these tasks without using pg_ctl, but you'll notice in a minute that pg_ctl really is your friend. Even(…)

Getting started with Citus – Setting up a four node cluster

One issue with traditional database systems like PostgreSQL is, that you cannot easily scale vertically. Of course you could add read replicas and offload read operations, but that either requires changes in the application, or putting something in front that(…)

PostgreSQL: set_config and current_setting

PostgreSQL comes with a rich set of administrative functions for various use cases. There are functions to control parameters, there are functions for index maintenance, others are for recovery and or backup control and there is much more. In this(…)

Building a PostgreSQL EC2 AMI for testing the latest commits

Testing the latest features or bug fixes in PostgreSQL can easily be done by pulling the latest commits from the git repository and compile PostgreSQL from source code. I am doing that frequently on my local sandbox VM but this(…)

temBoard on SLES15 – 2 – The agent

In the last post we've installed the temBoard repository and the UI. As this alone is not so much fun, we'll be installing the temBoard agent on another SLES 15 machine in this post. We'll end up(…)

temBoard on SLES15 – 1 – The WebUI

During our last SwissPUG online meeting there was a presentation about monitoring PostgreSQL with temBoard. A question that came up afterwards was: How to install that on SLES 15 as there(…)

PostgreSQL 14: LZ4 compression for TOAST

In PostgreSQL a row or tuple can not span multiple pages (a page is typically 8kB), but of course you can store larger rows and PostgreSQL brakes and compresses these rows into smaller chunks by using a technique called(…)

Getting started with the Zalando Operator for PostgreSQL

In the previous posts (Rancher, up and running, on EC2 – 1 – One node, Rancher, up and running, on EC2 – 2 – Three nodes, Rancher, up and running, on(…)

Deploying a Kubernetes cluster on EC2 with Rancher

Once Rancher is up and running, it makes the deployment and management of Kubernetes clusters quite easy. In this post we'll deploy a brand new cluster on top of EC2. If you want to have a simple(…)

Rancher on SLES 15 as a demo environment

If you followed the last posts (Rancher, up and running, on EC2 – 1 – One node, Rancher, up and running, on EC2 – 2 – Three nodes and Rancher,(…)