by Daniel Guzmán Burgos | Jul 3, 2020 | Cloud, MySQL, Percona Software, ProxySQL
The Percona Kubernetes Operator for Percona XtraDB Cluster(PXC) comes with ProxySQL as part of the deal. And to be honest, the behavior of ProxySQL is pretty much the same as in a regular non-k8s deployment of it. So why bother to write a blog about it? Because what...
by Tate McDaniel | Jul 1, 2020 | Insight for DBAs, Monitoring, MySQL
One of the most common errors encountered in the MySQL world at large is the infamous Error 1040: Shell ERROR 1040 (00000): Too many connections 1 ERROR 1040 (00000): Too many connections What this means in practical terms is that a MySQL instance has reached...
by Marco Tusa | Jul 1, 2020 | MySQL, Percona Software, ProxySQL
In real life, there are frequent cases where getting a running application to work correctly is strongly dependent on consistent write/read operations. This is no issue when using a single data node as a provider, but it becomes more concerning and challenging when...
by Leonardo Bacchi Fernandes | Jun 30, 2020 | Insight for DBAs, MySQL
In this blog post, we will briefly explore the OS tool strace. It is not widely used due to its performance impacts, and we don’t recommend using it in production. Still, it is amazing at helping you understand some things that happen in MySQL, where the OS is...
by David Quilty | Jun 26, 2020 | MySQL, Open Source, Webinars
Join Sveta Smirnova, MySQL Engineer at Percona, as she discusses modern solutions for modern database loads. MySQL is famous for working well in high performing environments. This is the reason why it is the most popular backend for web applications. But our view of...
by Sri Sakthivel | Jun 24, 2020 | Insight for DBAs, MySQL
Usually, database people are familiar with table fragmentation with DELETE statements. Whenever doing a huge delete, in most cases, they are always rebuilding the table to reclaim the disk space. But, are you thinking only DELETEs can cause table fragmentation?...
by Fernando Laudares Camargos | Jun 23, 2020 | Monitoring, MySQL, Percona Software
by Rick Golba | Jun 23, 2020 | Insight for DBAs, MySQL, Percona Software
Percona is pleased to announce the release of Percona Distribution for MySQL. Following our recent releases of Percona Distribution for MongoDB and Percona Distribution for PostgreSQL, we have assembled the best and most critical enterprise components for MySQL,...
by Peter Zaitsev | Jun 17, 2020 | Monitoring, MySQL, Percona Software
The RED Method (Rate, Errors, Duration) is one of the more popular performance monitoring approaches. It is often applied to Monitoring Microservices though there is nothing that prevents it from being applied to databases like MySQL. In Percona Monitoring and...
by David Quilty | Jun 16, 2020 | MySQL, Open Source, Webinars
Join Peter Zaitsev, CEO at Percona, as he discusses database challenges and the concepts of open source and open core. Over the years, open source companies have tried to bring products to market and maximize their revenue streams. To date, the most popular open...
by Mykola Marzhan | Jun 12, 2020 | Insight for DBAs, MySQL, Security
In most cases, MySQL password instructions provide information on changing MySQL user passwords on the production system (e.g., reset root password without restart). It is even recommended to change passwords regularly for security reasons. But still, sometimes DBA...
by Max Dudin | Jun 11, 2020 | Insight for DBAs, MySQL, Security
Day-to-day database operation requires, from an administrator, deep knowledge of db internals and security issues, in particular things like SQL injections. In order to prevent such kind of an attack, we have included go-sql-driver into our code for secure placeholder...
by David Quilty | Jun 11, 2020 | MySQL, Percona Software, Webinars
In this webinar, Sveta Smirnova, MySQL Engineer at Percona, will uncover nuances of Percona XtraDB Cluster (PXC) schema upgrades and point out details you need to give extra attention to. Percona XtraDB Cluster (PXC) is a 100% synchronized cluster in regards to DML...
by Carlos Salguero | Jun 10, 2020 | Monitoring, MySQL, Percona Software
Even though Percona Monitoring and Management 2 (PMM) comes with a lot of dashboards and metrics out of the box, sometimes we need to extend the default metrics by running custom MySQL queries. For example, suppose you want to have information about cached indexes...
by Rachel Pescador | Jun 9, 2020 | Database Trends, MySQL, Percona Services, Percona Software
Our latest Solution Brief uses our relationship with Patreon to detail the ways that Percona services work together to provide customers with a complete database infrastructure solution. Last year Patreon enlisted Percona’s help with their MySQL databases. Utilizing...
by Sveta Smirnova | Jun 4, 2020 | MySQL, Percona Software, Webinars
First I want to thank everyone who attended my May 21, 2020 webinar “How Safe is Asynchronous Master-Master Setup in MySQL?“. Recording and slides are available on the webinar page. Here are answers to the questions from participants which I was not able to provide...
by Carlos Tutte | Jun 3, 2020 | MySQL, Security
In systems nowadays, improving security is a must! One of the weakest links in the security system is the user password from where an attacker can enter. In order to improve password strength and security, MySQL provides a plugin called “Validation plugin” which can...
by Daniil Bazhenov | Jun 3, 2020 | Insight for DBAs, Monitoring, MySQL, Percona Software
Percona engineers often need to analyze and review complex SQL database queries. Good formatting can make these SQL queries much easier to understand and work with. Without clear formatting, queries can become confusing and hard to debug. Online query formatting...
by Agustín | Jun 1, 2020 | Insight for DBAs, MySQL, Open Source
In a previous post, Using DBdeployer to manage MySQL, Percona Server, and MariaDB sandboxes, we covered how we use DBdeployer within the Support Team to easily create MySQL environments for testing purposes. Here, I will expand on what Peter wrote in Installing MySQL...
by David Quilty | May 29, 2020 | MySQL, Webinars
Join Peter Zaitsev, CEO at Percona, as he discusses eBFT. eBPF is one of the most powerful instrumentation frameworks in modern Linux Kernel. In this presentation, we will cover eBPF basics as well as usage of Interactive eBPF tools, showing practical examples when...
