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Author Archives: Baron Schwartz

What Are Full, Incremental, and Differential Backups?

Sometimes you might hear people talk about full backups, and differential backups versus incremental backups. What is the difference? A full backup is pretty self-explanatory. It makes a copy of all of your MySQL data. …

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How Does Semisynchronous MySQL Replication Work?

With the recent release of Percona XtraDB Cluster, I am increasingly being asked about MySQL’s semi-synchronous replication. I find that there are often a number of misconceptions about how semi-synchronous replication really works. I think …

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Learn about Percona XtraDB Cluster at Percona Live DC

You probably saw that Vadim blogged about the first alpha release of Percona XtraDB Cluster. Just in time: now I can talk about it at my High Availability talk in Percona Live DC! If you’re …

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How Percona Server handles data corruption more gracefully

I got a question a while ago about how Percona Server handles corrupted data more gracefully than the standard MySQL server from Oracle. The short version is that it won’t crash the whole server. With …

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Last chance for a discount on Percona Live DC!

In just over a week, we’ll be running a Percona Live MySQL conference in the nation’s capital, in a beautiful modern conference facility that has its own Metro rail stop. And for a limited time, …

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Percona Toolkit 2.0.1 and 1.0.2 released

I’m happy to announce that we’ve released Percona Toolkit 2.0.1, a major new version of our essential DBA toolkit, as well as a minor bugfix update to the old 1.0.x series. You can download it …

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Online MySQL Configuration Wizard from Percona

Merry Christmas! Just in time for the holidays, we have released a new tool to help you configure and manage your MySQL servers. Our online MySQL Configuration Wizard can help you generate a good basic …

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Percona Toolkit PDF manual now available

Not to be outdone by Vadim’s announcement, I also have one: Percona Toolkit’s manual is now available as PDF (requires registration). You can get it here: https://www.percona.com/software/percona-toolkit/ Thanks to Mauricio Stekl, who did all the …

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Announcing Percona Live Washington DC MySQL Conference

If you are close to Washington DC, you should plan to attend our Percona Live event on January 11th at the DC Convention Center. We have three tracks of expert speakers on core MySQL-related topics. …

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Three ways that the poor man’s profiler can hurt MySQL

Over the last few years, Domas’s technique of using GDB as a profiler has become a key tool in helping us analyze MySQL when customers are having trouble. We have our own implementation of it …

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