Featured
MySQL 5.7
Support
Compare Percona to Leading Database Solutions
Percona Products
Percona Services
Use Cases
March 6, 2017
MySQL, –i-am-a-dummy!
In this blog post, we’ll look at how “operator error” can cause serious problems (like the one we saw last [...]
February 24, 2017
Synchronous Replication in MySQL: Galera vs. Group Replication
UPDATE: Some of the language in the original post was considered overly-critical of Oracle by some community members. This was [...]
February 15, 2017
Group Replication: Shipped Too Early
This blog post is my overview of Group Replication technology. With Oracle clearly entering the “open source high availability solutions” [...]
February 15, 2017
Docker Images for Percona Server for MySQL Group Replication
In this blog post, we’ll point to a new Docker image for Percona Server for MySQL Group Replication. Our most [...]
February 9, 2017
Using NVMe Command Line Tools to Check NVMe Flash Health
In this blog post, I’ll look at the types of NVMe flash health information you can get from using the [...]
February 8, 2017
MySQL super_read_only Bugs
This blog we describe an issue with MySQL 5.7’s super_read_only feature when used alongside with GTID in chained slave instances. Background In [...]
February 1, 2017
WAN Synchronous Clusters: Dealing with Latency Using Concurrency
In this blog, we’ll discuss how to use concurrency to help with WAN latency when using synchronous clusters. WAN Latency [...]
January 30, 2017
MySQL Sharding Models for SaaS Applications
In this blog post, I’ll discuss MySQL sharding models, and how they apply to SaaS application environments. MySQL is one [...]
January 27, 2017
When MySQL Lies: Wrong seconds_behind_master with slave_parallel_workers > 0
In today’s blog, I will show an issue with seconds_behind_master that one of our clients faced when running slave_parallel_workers > 0. We [...]
January 26, 2017
Percona Live Featured Tutorial with Frédéric Descamps — MySQL InnoDB Cluster & Group Replication in a Nutshell: Hands-On Tutorial
Welcome to another post in the series of Percona Live featured tutorial speakers blogs! In these blogs, we’ll highlight some of [...]
January 19, 2017
Setup ProxySQL for High Availability (not a Single Point of Failure)
In this blog post, we’ll look at how to set up ProxySQL for high availability. During the last few months, [...]
January 18, 2017
Elasticsearch Ransomware: Open Source Database Security Part 2
In this blog post, we’ll look at a new Elasticsearch ransomware outbreak and what you can do to prevent it [...]
January 17, 2017
Webinar Wednesday January 18, 2017: Lessons from Database Failures
Join Percona’s Chief Evangelist Colin Charles on Wednesday, January 18, 2017, at 7:00 am (PST) / 10:00 am (EST) (UTC-8) [...]
January 16, 2017
Ad-hoc Data Visualization and Machine Learning with mysqlshell
In this blog post, I am going to show how we can use mysqlshell to run ad-hoc data visualizations and [...]
January 13, 2017
MongoDB 3.4 Views
This blog post covers MongoDB 3.4 views, one of the more recent MongoDB features. Views are often used in relational [...]
January 13, 2017
The Impact of Swapping on MySQL Performance
In this blog, I’ll look at the impact of swapping on MySQL performance. It’s common sense that when you’re running [...]
January 11, 2017
Reinstall MySQL and Preserve All MySQL Grants and Users
In this blog post, we’ll look at how to preserve all MySQL grants and users after reinstalling MySQL. Every so [...]
January 10, 2017
How to Move a MySQL Partition from One Table to Another
In this blog post we’ll look at how to move a MySQL partition from one table to another, for MySQL [...]
January 9, 2017
MongoDB PIT Backups: Part 2
This blog post is the second in a series covering MongoDB PIT backups. You can find the first part here. [...]
January 9, 2017
MySQL 8.0.1: The Next Development Milestone
This post discusses the next MySQL development milestone: MySQL 8.0.1. From the outset, MySQL 8.0 has received plenty of attention. [...]