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July 2, 2025
Testing ReadySet as a Query Cacher for PostgreSQL (Plus ProxySQL and HAproxy) Part 2: Test Results
In the first post of this series (Testing ReadySet as a Query Cacher for PostgreSQL (Plus ProxySQL and HAproxy) Part [...]
July 1, 2025
Testing ReadySet as a Query Cacher for PostgreSQL (Plus ProxySQL and HAproxy) Part 1: How-To
A couple of weeks ago, I attended a PGDay event in Blumenau, a city not far away from where I [...]
May 23, 2025
What Oracle Missed, We Fixed: More Performant Query Processing in Percona Server for MySQL
At Percona, we constantly search for ways to make query processing more performant. Our activities include continuous monitoring of Percona [...]
May 6, 2025
MongoDB Benchmarking Made Effortless With Workload Generator for MongoDB
Recognizing a gap in the availability of straightforward tools for MongoDB benchmarking, particularly those that do not require complex compilation, [...]
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 1, 2025
Choosing the Right Storage for PostgreSQL on Kubernetes: A Benchmark Analysis
You know that moment when your team finally decides to move your PostgreSQL databases to Kubernetes? Everyone’s excited about the [...]
February 4, 2025
MongoDB 8.0 Performance; Does It Live Up to the Hype?
Percona Server for MongoDB 8.0 has been available for over a month now. We covered the most important new MongoDB [...]
January 6, 2025
MySQL 8.4.3 and 9.1.0: Major Performance Gains Revealed
At Percona, we’ve always prioritized performance, and recent trends in MySQL’s development have been a point of concern for us. [...]
September 25, 2024
How Network Splits/Partitions Impact Group Replication in MySQL
In this blog post, we will explore how network partitions impact group replication and the way it detects and responds [...]
September 9, 2024
MongoDB Performance Regression Benchmarking and the Truth Behind Journaling
I have always been wondering about performance regression when upgrading in MongoDB. From MongoDB v3.6, despite continuous improvement in the [...]
August 26, 2024
Percona Server for MySQL Performance Improvements – August 2024
At Percona, we have always prioritized database performance as a critical factor in selecting database technologies. Recently, we have observed [...]
June 13, 2024
Sakila, Where Are You Going?
At Percona, we monitor our users’ needs and try to accommodate them. One aspect we monitor is the MySQL version [...]
February 6, 2024
MySQL 8.2.0 Community vs. Enterprise; Is There a Winner?
To be honest, the comparison between the two MySQL distributions is not something that excited me a lot. Mainly because [...]
January 11, 2024
Is MySQL Router 8.2 Any Better?
In my previous article, Comparisons of Proxies for MySQL, I showed how MySQL Router was the lesser performing Proxy in [...]
August 22, 2023
High Availability vs. Fault Tolerance: Is FT’s 00.001% Edge in Uptime Worth the Headache?
Estimates vary, but most reports put the average cost of unplanned database downtime at approximately $300,000 to $500,000 per hour, [...]
June 22, 2023
The Ultimate Guide to Database High Availability
To make data count and to ensure cloud computing is unabated, companies and organizations must have highly available databases. That [...]
March 20, 2023
Comparisons of Proxies for MySQL
With a special focus on Percona Operator for MySQL Overview HAProxy, ProxySQL, MySQL Router (AKA MySQL Proxy); in the last [...]
January 9, 2023
COUNT(*) vs COUNT(col) in MySQL
Looking at how people are using COUNT(*) and COUNT(col), it looks like most of them think they are synonyms and [...]
August 4, 2022
Introducing Performance Improvement of Window Functions in PostgreSQL 15
When working with databases, there are always some projects oriented to performing analytics and reporting tasks over the information stored [...]
July 29, 2022
How to Benchmark Replication Performance in MySQL
In this blog, I will cover important aspects which you need to test when benchmarking replication setup. MySQL has great [...]