PostgreSQL

PostgreSQL Cluster using repmgr

With this blog I describe the installation of a PostgreSQL Cluster using repmgr instead of Patroni. Repmgr was originally developed by 2ndQuadrant which is now part of EDB and EDB decided for the 2ndQuadrant tools for the future, barman as(…)

PostgreSQL on 80 core ARM Server

This Blog is about intallation and testing PostgreSQL 14 latest on an ARM based 80 core Server using Rocky Linux 8.6. Many thanks to Happyware for providing the machine used for this Blog. https://happyware.com/ The machine used for this(…)

Major PostgreSQL version upgrade in a Patroni cluster

Introduction One of my customer recently asked me to upgrade its PostgreSQL instance from version 9.6 to version 14.3. The infrastructure is composed of 4 servers : – DB02-04 – Ubuntu 20.04 – supporting PostgreSQL, Patroni, HAProxy and etcd–(…)

Helvetia used AWS SCT & DMS to migrate to AWS RDS for PostgreSQL

One of our long term-time customers, Helvetia, successfully migrated on-prem Oracle databases to AWS, not only because of the licenses, but more importantly: to deploy faster, innovate faster, and use the state-of-the-art open source(…)

How to setup a Consul Cluster on RHEL 8, Rocky Linux 8, AlmaLinux 8 part 2

Within the first part I have described the setup of Consul as replacement for ETCD. Here now the setup ob keepalived, haproxy and patroni. The needed packages I have installed within the first part, so let’s start with the(…)

PostgreSQL 15: Some new features

PostgreSQL version 15 is on its way and we get a better and better look, what will be included in the future release. So it's time to have a look at some new future features(…)

How to setup a Consul Cluster on RHEL 8, Rocky Linux 8, AlmaLinux 8 part 1

This blog describes the setup of a Consul Cluster on RHEL 8 and clones, it will be the base for a Patroni HA setup using RPM Packages from postgresql.org. Many Patroni setups are using ETCD, but ETCD is not(…)

Updating Password in PostgreSQL from md5 to scram-sha-256

Many installations have a history of many major PostgreSQL releases. With PostgreSQL 10 comes scram-sha-256 for hashing passwords, by installing from packages scram-sha-256 is the default setting for new installations since PostgreSQL 13. With this small blog I will(…)

What I really like about Percona PMM

Percona Monitoring and Management tool (PMM) is an Open Source product which was developed to help DBAs and developers to monitor and manage MySQL, PostgreSQL and MongoDB performances. In this blog post, we will see that we(…)

PostgreSQL Flexible Server on Azure, Status

This Blog is about the actual status of the development on Microsoft’s side for the Azure Flexible Server for PostgreSQL. The Flexible Server is announced “GA Ready” at November 30st, after shiftig the GA Raeady date several times. But(…)