Search Results for: MySQL event

What happens when your application cannot open yet another connection to MySQL

Have you ever experienced a situation where one moment you can connect to the MySQL database and the next moment  you cannot, only to be able to connect again a second later? As you may know one cannot open infinite connections with MySQL. There’s a practical limit and more often than not it is imposed […]

Sneak peek at the Percona Live MySQL Conference & Expo 2015

You know you’ll be there so why not save some $$ by registering now for the Percona Live MySQL Conference & Expo 2015 (April 13-16 in Santa Clara, Calif.). Super Saver registration discounts are available through Dec. 14 at 11:30 p.m. PST. (That’s just 10 days away!) What to expect this year? The Percona Live […]

Tips from the trenches for over-extended MySQL DBAs

This post is a follow-up to my November 19 webinar, “Tips from the Trenches: A Guide to Preventing Downtime for the Over-Extended DBA,” during which I described some of the most common reasons DBAs experience avoidable downtime. The session was aimed at the “over-stretched DBA,” identified as the MySQL DBA short of time or an […]

Sys Schema for MySQL 5.6 and MySQL 5.7

Performance Schema (P_S) has been available since MySQL 5.5, more than 4 years ago. It is still difficult to see production servers with P_S enabled, even with MySQL 5.6 where the feature is enabled by default. There have been several complaints like the overhead, that the fix is a work in progress, and the ease […]

Avoiding MySQL ALTER table downtime

MySQL table alterations can interrupt production traffic causing bad customer experience or in worst cases, loss of revenue. Not all DBAs, developers, syadmins know MySQL well enough to avoid this pitfall. DBAs usually encounter these kinds of production interruptions when working with upgrade scripts that touch both application and database or if an inexperienced admin/dev […]

Typical misconceptions on Galera Replication for MySQL

Even if a Galera node looks like a regular MySQL server, the underlying replication mechanism is very different. This implies some changes in the way you have to configure the Galera nodes. Here are some of the most common misconceptions about Galera when using Percona XtraDB Cluster. Q: Why should I enable binary logging as […]

Optimizing MySQL for Zabbix

This blog post was inspired by my visit at the annual Zabbix Conference in Riga, Latvia this year, where I gave a couple of talks on MySQL and beyond. It was a two day single-track event with some 200 participants, a number of interesting talks on Zabbix (and related technologies) and really well-organized evening activities. […]

Percona Live MySQL Conference Call for Proposals closes Nov. 16

The Percona Live MySQL Conference in Silicon Valley (April 13-16, 2015) features a full day of tutorial sessions and three full days with keynote talks and breakout sessions from leading MySQL experts from around the world. Birds of a Feather sessions, two networking receptions, and a community dinner all offer great opportunities to network with […]

Percona at AWS re:Invent and events around the world

November is a busy month of events for Percona. Conferences in Moscow, London, Paris, Las Vegas, Buenos Aires, and Montevideo mean our experts are racking up the frequent flyer miles meeting users of Percona software from around the world, sharing our insights on MySQL performance and operations, and learning how others are growing and scaling […]

Facebook MySQL database engineers ready for Percona Live London 2014

With 1.28 billion active users, Facebook MySQL database engineers are active and extremely valuable contributors to the global MySQL community. So naturally they are also active participants of Percona Live MySQL conferences! And next week’s Percona Live London 2014 (Nov. 3-4) is no exception. (Register now and use the promotional code “Facebook” to save £30!) […]