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April 30, 2025
Benchmarking PostgreSQL: The Hidden Cost of Over-Indexing
Indexing is one of PostgreSQL’s most effective tools for improving query performance, but like any powerful tool, it can cause [...]
April 16, 2025
How to Extend Percona Monitoring and Management to Add Logging Functionality
Evolution is one of the inherent traits of modern software. Many people reach out to product teams daily, asking to [...]
April 15, 2025
Avoiding PostgreSQL Upgrade Errors: A Practical Guide
This post was originally published in January 2024 and was updated in April 2025. Thinking about a PostgreSQL upgrade? Here’s [...]
April 3, 2025
4 Ways to Convert MongoDB BSON to JSON Format
This post was originally published in April, 2023 and was updated in April, 2025. Binary Javascript Object Notation (BSON) is [...]
April 1, 2025
Kubernetes Sidecar Containers Explained: Benefits, Use Cases, and What’s New
Kubernetes is becoming a popular choice for running containerized applications. While the core idea is to have a single container [...]
March 26, 2025
Enhancing Keyhole: Pulling More Metrics from MongoDB’s FTDC
Everyone knows that MongoDB has FTDC (Full-Time Diagnostic Data Capture), which helps MongoDB engineers analyze server behavior, tune parameters, and [...]
March 24, 2025
Percona XtraBackup 8.4 Pro: Reduce Server Locking by up to 4300X
When performing backups, reducing the amount of time your server is locked can significantly improve performance and minimize disruptions. Percona [...]
March 1, 2025
5 Effective Strategies for MongoDB Performance Tuning
This blog was published in January of 2021 and updated in March of 2025. Effective MongoDB performance tuning is crucial [...]
February 2, 2025
MongoDB Indexes Explained: A Comprehensive Guide to Better MongoDB Performance
This blog was originally published in March 2021 and was updated in February 2025. Good intentions can sometimes end up [...]
January 14, 2025
What Hurts in PostgreSQL Part One: Temporary Tables
PostgreSQL is one of the most powerful database systems in the world. I have always been passionate about its great [...]
December 20, 2024
MySQL Transaction ERROR 1412 and Isolation Levels
This blog post explains the cause of “ERROR 1412 (HY000): Table definition has changed, please retry transaction” with the specific [...]
December 18, 2024
How To Deal with a AUTO_INCREMENT Max Value Problem in MySQL and MariaDB
An application down due to not being able to write into a table anymore due to a maximum allowed auto-increment [...]
September 5, 2024
How to Upgrade a Kubernetes Cluster
I still remember upgrading a Kubernetes cluster for the first time. Despite taking great care and following all the documentation, [...]
August 8, 2024
MySQL Router and RestAPI – What Do They Have in Common?
The usage of MySQL Router as a Middleware/Proxy/Router has increased along with the rise in MySQL InnoDB Cluster usage. While [...]
July 8, 2024
Ensure the Correct Repositories are Enabled for Percona Packages
As announced in Percona’s Important Update, effective July 1st, the percona/original and tools repositories will no longer be updated. This [...]
June 24, 2024
Understanding Basic Flow Control Activity in MySQL Group Replication: Part One
Flow control is not a new term, and we have already heard it a lot of times in Percona XtraDB [...]
June 5, 2024
Administering a Patroni Managed PostgreSQL Cluster
There are quite a number of methods these days for installing Patroni. I want to discuss the next step, which [...]
May 28, 2024
Valkey/Redis Sharding Using the Native Clustering Feature
In this blog post, we are going to implement the concept of sharding in a Valkey setup. This is a [...]
May 24, 2024
Upcoming Percona University Events – France, Germany, and India
Experience a full day of deep-dive technical sessions and meet database experts and a community of open source database users, [...]
May 23, 2024
Beyond Cloud: The Impact of AI Agents on Platform Engineering
In November 2023, Bill Gates wrote an article about how AI would change the way we interact with computers and personal [...]