I’ve started to write about the tool (pglupgrade) that I developed to perform near-zero downtime automated upgrades of PostgreSQL clusters. In this post, I’ll be talking about the tool and discuss its design details. You can check the first part of the series here: Near-Zero Downtime Automated Upgrades of PostgreSQL Clusters in Cloud (Part I). The tool is […]
Last week, I was at Nordic PGDay 2018 and I had quite a few conversations about the tool that I wrote, namely pglupgrade, to automate PostgreSQL major version upgrades in a replication cluster setup. I was quite happy that it has been heard and some other people in different communities giving talks at meetups and other […]
1. Introduction pglogical is an extension that provides an advanced logical replication system that serves as a highly efficient method of replicating data as an alternative to physical replication. Here we will show how to build a test environment to play with PostgreSQL and pglogical, and how to configure it using the OmniDB 2.2 web […]
During the Postgres Open 2017 conference in San Francisco, someone came to the 2ndQuadrant booth and struck up a conversation with me. During our shameless geeking out over database mechanics, he asked me if pglogical supported the new Postgres 10 partitions. Given my noted expertise in all things Postgres, I answered in the appropriate manner: […]
PostgreSQL 9.6 has just been released and most of the postgres users will start asking themselves how to upgrade to the new major version. This post has the intention of showing different procedures for upgrading your PostgreSQL server. Upgrading to a new major version is a task which has a high ratio of preparation over […]
We have made pglogical 1.1 packages available for PostgreSQL 9.6beta1 for both rpm and deb based distributions. They are available for install from our standard pglogical package repository. You may ask why do we release packages for beta version of Postgres? Well, one of the reasons is that you can use pglogical to replicate your […]
The new feature version of pglogical is now available. The new release brings support for sequence replication, manually configured parallel subscriptions, replica triggers, numerous usability improvements and bug fixes. Let’s look into the changes in more detail.
Floss UK Spring conference will be held on 15th-17th of March in London.
In the previous blog post, I briefly explained how we got the performance numbers published in the pglogical announcement. In this blog post I’d like to discuss the performance limits of logical replication solutions in general, and also how they apply to pglogical. physical replication Firstly, let’s see how physical replication (built into PostgreSQL since […]
pglogical (logical replication for PostgreSQL) is the latest in the series of awesome products developed & supported by 2ndQuadrant. One of the key ingredients to making any product great is the process followed in developing it. We have tried to notch up our game with pglogical, let me describe some of the measures we have […]
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