Search Results for: session mysql

Identifying useful info from MySQL row-based binary logs

As a MySQL DBA/consultant, it is part of my job to decode the MySQL binary logs – and there are a number of reasons for doing that. In this post, I’ll explain how you can get the important information about your write workload using MySQL row-based binary logs and a simple awk script. First, it […]

Percona Live 2015 conference sessions announced!

Today we announced the full conference sessions schedule for April’s Percona Live MySQL Conference & Expo 2015 and this year’s event, once again at the Hyatt Regency Santa Clara and Santa Clara Convention Center, looks to be the biggest yet with networking and learning opportunities for MySQL professionals and enthusiasts at all levels. Conference sessions […]

Django with time zone support and MySQL

This is yet another story of Django web-framework with time zone support and pain dealing with python datetimes and MySQL on the backend. In other words, offset-naive vs offset-aware datetimes. Shortly, more about the problem. After reading the official documentation about the time zones, it makes clear that in order to reflect python datetime in […]

The MySQL Query Cache: How it works, plus workload impacts (good and bad)

Query caching is one of the prominent features in MySQL and a vital part of query optimization. It is important to know how it works as it has the potential to cause significant performance improvements – or a slowdown – of your workload. The MySQL query cache is a global one shared among the sessions. It caches […]

Making HAProxy 1.5 replication lag aware in MySQL

HAProxy is frequently used as a software load balancer in the MySQL world. Peter Boros, in a past post, explained how to set it up with Percona XtraDB Cluster (PXC) so that it only sends queries to available nodes. The same approach can be used in a regular master-slaves setup to spread the read load across […]

OpenStack Live tutorials & sessions to bring OpenStack users up to speed

I attended the OpenStack Paris summit last month (Percona had a booth there). It was my first opportunity to meet face-to-face with this thriving community of developers and users. I’m proud that Percona is part of this open source family and look forward to reconnecting with many of the developers and users I met in […]

MySQL Tutorials: A time to learn at Percona Live 2015

The many hours of intensive tutorials, led by some of the top minds in MySQL, have always been a major draw each year to the Percona Live MySQL Conference and Expo. And 2015’s event will be no exception. Percona Live 2015 runs April 13-16 in Santa Clara, Calif. and the first day is dedicated to […]

MySQL 5.6 Transportable Tablespaces best practices

In MySQL 5.6 Oracle introduced a Transportable Tablespace feature (copying tablespaces to another server) and Percona Server adopted it for partial backups which means you can now take individual database or table backups and your destination server can be a vanilla MySQL server. Moreover, since Percona Server 5.6, innodb_import_table_from_xtrabackup is obsolete as Percona Server also […]

MySQL and OpenStack deep dive: Dec. 10 webinar

Fact: MySQL is the most commonly used database in OpenStack deployments. Of course that includes a number of MySQL variants – standard MySQL by Oracle, MariaDB, Percona Server, MySQL Galera, Percona XtraDB Cluster, etc. However, there are many misconceptions and myths around the pros and cons of these MySQL flavors. Join me and my friend […]

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 […]