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February 2, 2023
An Argument for Logical Failover Slots
These days, the typical PostgreSQL cluster consists not only of a multi-node replication cluster, which is ordinarily an asynchronous streaming [...]
February 1, 2023
Unlocking the Secrets of TOAST: How To Optimize Large Column Storage in PostgreSQL for Top Performance and Scalability
PostgreSQL is a fantastic database, but if you’re storing images, video, audio files, or other large data objects, you need [...]
January 30, 2023
Why PostgreSQL Needs Transparent Database Encryption (TDE)
As Ibrar Ahmed noted in his blog post on Transparent Database Encryption (TDE). PostgreSQL is a surprising outlier when it comes [...]
January 24, 2023
WAL Compression in PostgreSQL and Recent Improvements in Version 15
Attempts to compress PostgreSQL WAL at different levels have always been around since the beginning. Some of the built-in features [...]
January 24, 2023
PostgreSQL Sharding: An Overview and MongoDB Comparison
This post was originally published in 2019 and was updated in 2023. I presented at Percona University São Paulo about [...]
January 17, 2023
The Ultimate Guide to Database Corruption: Part 2 – B-Tree Index Corruption
This blog is in continuation of my previous blog on the basic understanding of corruption with the subject line The [...]
January 4, 2023
Speed Up of the WAL Archiving in PostgreSQL 15
Last time I blogged about the New WAL Archive Module/Library feature available in PostgreSQL 15, which is quite transformative in [...]
December 29, 2022
Missing Library: A pg_upgrade History
While working as a DBA, we perform many regular tasks, and one of them is upgrading our database systems. There [...]
December 23, 2022
Diffing PostgreSQL Schema Changes
One of the routine operations when administering PostgreSQL is periodic updates to the database system’s architecture. PostgreSQL does a good [...]
December 23, 2022
Rebuild Patroni Replica Using pgBackRest
Patroni is one of the most used high availability (HA) solutions with the PostgreSQL database. It uses a Distributed Configuration [...]
December 22, 2022
PostgreSQL Role Inheritance at a Glance
PostgreSQL manages database access permissions using the concept of roles. A role can be either a database user or a [...]
December 15, 2022
JSON and Relational Databases – Part One
JSON data and relational databases have traditionally been diametric opposites. One is very free form with minimal rules on the [...]
December 14, 2022
Generate a pgBadger Report From PostgreSQL Flexible Server Logs
In one of our previous posts Detailed Logging for Enterprise-Grade PostgreSQL, we discussed parameters to enable detailed logging and use [...]
December 14, 2022
Powering PostgreSQL 15 With Columnar Tables
Prologue This blog is the result of my investigation into column-wise tables. Hopefully, you will find it useful in your [...]
December 7, 2022
PostgreSQL 14 Internals Book
There is an interesting project by the folks at PostgresPro that is translating Egor Rogov’s PostgreSQL 14 Internals into English. [...]
December 2, 2022
New WAL Archive Module/Library in PostgreSQL 15
PostgreSQL traditionally uses shell commands to achieve continuous WAL archiving, which is essential for backups and stable standby replication. In [...]
November 15, 2022
pgBackRest Restoration Scenarios
In one of our previous posts—pgBackRest: A Great Backup Solution and a Wonderful Year of Growth—we discussed the installation of [...]
November 9, 2022
Securing Patroni REST API End Points Part 2: Using SSL Certificates
In the first part of the article, we discussed how to achieve minimum security by adding a username and password [...]
November 4, 2022
PostgreSQL: Are All NULLs the Same?
I was recently reading the PostgreSQL 15 release notes and stopped at “Allow unique constraints and indexes to treat NULL [...]
November 2, 2022
First PostgreSQL Conference Ever: What You’ve Missed at PGConf.EU 2022
I just became part of the PostgreSQL ecosystem and was really curious to get in touch with the community. What [...]