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Percona Live Europe: Tutorials Day

 | September 25, 2017 |  Posted In: Group Replication, High-availability, InnoDB, Insight for DBAs, Insight for Developers, MongoDB, MySQL, Percona Live

Percona Live Tutorials

Welcome to the first day of the Percona Live Open Source Database Conference Europe 2017: Tutorials day! Technically the first day of the conference, this day focused on provided hands-on tutorials for people interested in learning directly how to use open source tools and technologies. Today attendees went to training sessions taught by open source database […]

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Why you don’t want to shard.

 | August 6, 2009 |  Posted In: Insight for Developers

Note: This blog post is part 1 of 4 on building our training workshop.

The Percona training workshop will not cover sharding. If you follow our blog, you’ll notice we don’t talk much about the subject; in some cases it makes sense, but in many we’ve seen that it causes architectures to be prematurely complicated.

So let me state it: You don’t want to shard.

Optimize everything else first, and then if performance still isn’t good enough, it’s time to take a very bitter medicine. The reason you need to shard basically comes down to one of these two reasons

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