Tag - Percona Server for MySQL

Percona Server for MySQL® is a free, fully compatible, enhanced, open source drop-in replacement for MySQL that provides superior performance, scalability and instrumentation. With over 3,000,000 downloads, Percona Server’s self-tuning algorithms and support for extremely high-performance hardware delivers excellent performance and reliability.

Generating Numeric Sequences in MySQL

Generating Numeric Sequences in MySQL

What is the easiest way to generate a sequence of integers in MySQL? In other words, which “SELECT <something>” statement should I write to get 0, 1, 2, … N – 1?
This is the question I have been struggling with for years and it looks like I have finally got the answer (although I […]

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Percona Server for MySQL Highlights – Extended Slow Query Logging

mysql extended slow query logging

Last year, I made the first post in a small series, which aimed to highlight unique features of Percona Server for MySQL, by discussing binlog_space_limit option.
Today, I am going to discuss another important type of log available in MySQL that is enhanced in Percona Server for MySQL – the slow query log. The reason […]

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Need to Connect to a Local MySQL Server? Use Unix Domain Socket!

Unix Socket Domain

When connecting to a local MySQL instance, you have two commonly used methods: use TCP/IP protocol to connect to local address –  “localhost” or 127.0.0.1  – or use Unix Domain Socket.
If you have a choice (if your application supports both methods), use Unix Domain Socket as this is both more secure and more efficient.
How […]

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ProxySQL 1.4.16 and Updated proxysql-admin Tool Now Available

ProxySQL 1.14.16

ProxySQL 1.4.16, released by ProxySQL, is now available for download in the Percona Repository along with an updated version of Percona’s proxysql-admin tool.
ProxySQL is a high-performance proxy, currently for MySQL,  and database servers in the MySQL ecosystem (like Percona Server for MySQL and MariaDB). It acts as an intermediary for client requests seeking resources from the […]

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Group Replication in Percona Server for MySQL

group replication percona server mysql

Percona Server for MySQL 8.0.18 ships all functionality to run Group Replication and InnoDB Cluster setups, so I decided to evaluate how it works and how it compares with Percona XtraDB Cluster in some situations.
For this I planned to use three bare metal nodes, SSD drives, and a 10Gb network available for in-between nodes […]

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