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January 28, 2021

Automatic Failover of the Moodle PostgreSQL Database

One of the key aspects of high availability is the ability to quickly react to failures. It is not uncommon to manually manage databases, and have monitoring software keep an eye on database health. In...

January 18, 2021

Challenges of Scaling the Moodle PostgreSQL Database

Moodle is the most popular Learning Management System (LMS) allowing educators to create their own website with courses or content that extend learning. These kinds of platforms are getting more and more important to allow...

January 15, 2021

How to Audit a PostgreSQL Database

Auditing is a good way to keep your data as safe as possible, and to know what is happening in your databases. It is also required for many security regulations or standards, like PCI -...

November 23, 2020

How to Deploy a Highly Available Canvas LMS with a PostgreSQL Database Cluster

In these pandemic times, Learning Management System (LMS) platforms are getting more and more important to allow you to continue learning remotely when the traditional education system just isn’t available anymore. Having an LMS platform...

November 16, 2020

Using the pt-pg-summary Percona Toolkit for PostgreSQL

The Percona Toolkit is a powerful, free, and open-source product developed by Percona. It is a collection of command-line tools that allow you to perform different MySQL, MongoDB, PostgreSQL, and system tasks that, in general,...

November 9, 2020

How to Deploy Percona Distribution for PostgreSQL for High Availability

High Availability is a requirement for many systems, no matter what technology you are using. This is especially important for databases, as they store data that applications rely upon. Depending on the requirements, there are...

November 3, 2020

Monitoring Percona Distribution for PostgreSQL – Key Metrics

Monitoring is the base to know if your systems are working properly, and it allows you to fix or prevent any issue before affecting your business. Even in a robust technology like PostgreSQL, monitoring is...

October 27, 2020

Top Open Source Tools for PostgreSQL Migrations

Database migration is the process of migrating data from one or more source databases to one or more target databases by using a service or tool. There are different types of migrations. You can migrate...

October 23, 2020

An Overview of PostgreSQL 13 libpq sslpassword Connection Parameters

PostgreSQL since long has supported SSL connections and also certificate-based authentication mechanisms. Although nothing in this regard seems to be new for the PostgreSQL world. However, a small nagging issue for client connection (client-certificates based...

October 16, 2020

Using Barman for PostgreSQL Disaster Recovery

There must be many powerful tools available as a backup and restore option for PostgreSQL in general; Barman, PgBackRest, BART are to name a few in this context. What caught our attention was that Barman...

October 9, 2020

An Overview of PostgreSQL Query Caching & Load Balancing

The topic of caching appeared in PostgreSQL as far back as 22 years ago, and at that time the focus was on database reliability. Fast forward to 2020, the disk platters are hidden even deeper...

October 6, 2020

How to Upgrade PostgreSQL 11 to PostgreSQL 12 with Zero Downtime

The most intuitive database upgrade way that you can think of is to generate a replica in a new version and perform a failover of the application into it, and actually it works perfectly in...

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