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Monthly Archives: March 2012

Best kept MySQLDump Secret

Many people use mysqldump –single-transaction to get consistent backup for their Innodb tables without making database read only. In most cases it works, but did you know there are some cases when you can get …

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BOFs and Lightning Talks Announced for Percona Live MySQL Conference & Expo

The Percona Live MySQL Conference & Expo is going to be awesome! Great speakers, an A-list of sponsors, countless opportunities to engage with the community, and an enthusiastic crowd of MySQL users ensure this is …

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Multi Range Read (MRR) in MySQL 5.6 and MariaDB 5.5

This is the second blog post in the series of blog posts leading up to the talk comparing the optimizer enhancements in MySQL 5.6 and MariaDB 5.5. This blog post is aimed at the optimizer …

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Troubleshooting MySQL Memory Usage

One of the most painful troubleshooting tasks with MySQL is troubleshooting memory usage. The problem usually starts like this – you have configured MySQL to use reasonable global buffers, such as innodb_buffer_size, key_buffer_size etc, you …

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Win Free MySQL Conference Tickets!
by:

Tokutek and Percona are giving away free tickets to the Percona Live MySQL Conference and Expo (worth $995 each), and you can win them! We’re also giving away copies of High Performance MySQL, 3rd Edition (worth $55 …

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Announcing Percona Server 5.5.21-25.0

Percona is glad to announce the release of Percona Server 5.5.21-25.0 on March 20th, 2012. Downloads are available here and from the Percona Software Repositories. Based on MySQL 5.5.21, including all the bug fixes in it, Percona Server 5.5.21-25.0 is now the current …

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Free ticket to MySQL User Conference on SF Meetup with talk “Percona XtraDB Cluster”

Just a reminder that I will be giving a talk “Percona XtraDB Cluster” on coming San Francisco MySQL Meetup, next Wednesday, March-21, 2012. Along with talk I will give away one full ticket (tutorials + …

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ext4 vs xfs on SSD

As ext4 is a standard de facto filesystem for many modern Linux system, I am getting a lot of question if this is good for SSD, or something else (i.e. xfs) should be used. Traditionally …

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Win Free MySQL Conference Tickets!

We’re giving away three full conference passes (worth $995 each) to the Percona Live MySQL Conference and Expo, and you can win one simply by sharing the conference with your friends and colleagues! Second prize …

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Give feedback on a pt-online-schema-change update

I am writing a specification for updating pt-online-schema-change. The outline of the changes I want to make is here: https://www.percona.com/docs/wiki/ptdev:blueprints:redesign-pt-online-schema-change The idea is to make the tool Do The Right Thing, with features such as …

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