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MySQL Feed

Oracle MySQL resources, news, and support articles.

Team Tokutek is proud to join Team Percona!

If you haven’t already heard, on the Tuesday morning of the 2015 Percona Live MySQL Conference and Expo it was announced that Tokutek is now part of the Percona family.  This means TokuDB® for MySQL, and TokuMX™ for MongoDB are Percona products now; and that the Tokutek  team is now part of the Percona team.

Team Tokutek is proud to join Team Percona!

If you haven’t already heard, on the Tuesday morning of the 2015 Percona Live MySQL Conference and Expo it was announced that Tokutek is now part of the Percona family.  This means TokuDB® for MySQL, and TokuMX™ for MongoDB are Percona products now; and that the Tokutek  team is now part of the Percona team.

Tokutek now part of the Percona family

It is my pleasure to announce that Percona has acquired Tokutek and will take over development and support for TokuDB® and TokuMX™ as well as the revolutionary Fractal Tree® indexing technology that enables those products to deliver improved performance, reliability and compression for modern Big Data applications.At Percona we have been working with the Tokutek team since 2009, helping to improve performance and scalability. The TokuDB storage engine has been available for Percona Server for about a year, so joining forces is quite a natural step for us.

Percona Toolkit 2.2.14 is now available

Percona is pleased to announce the availability of Percona Toolkit 2.2.14.  Released April 14, 2015.

MySQL Cluster 7.4.6 is now available



The binary and source versions of MySQL Cluster 7.4.6 have now been made available at http://www.mysql.com/downloads/cluster/.

Staying ahead of MySQL operational problems at Percona Live

I’ve started my long journey from Florianópolis, Brazil, to Santa Clara, California and I type this words while waiting for a connection flight.

Retrieving denormalized tabular results with MDX

I've been trying to learn the MultiDimensional Expression language (MDX) for quite a while. Unfortunately, I haven't been very successful at it. MDX has a few conceptual and some (superficial) syntactical similarities to SQL, but I have arrived at the conclusion that it is probably better to treat it as a completely different kind of language.

MySQL Fabric – Faulty to Secondary

MySQL Fabric is a great tool for managing a farm of MySQL servers. In the last two posts you can see how High Availability Fail over and Sharding work. When things are working right, the group lookup_servers will look something like this:
server_uuid address status mode weight

Measuring the impact of tcpdump on Very Busy Hosts

A few years back Deva wrote about how to use tcpdump on very busy hosts. That post sparked my interest about exploring how to measure the impact of tcpdump on very busy hosts. In this post, I wanted to highlight how much of an impact there really is and what options you have to make the query collection much more effective.Some things you need to know:

InnoDB locks and deadlocks with or without index for different isolation level

Recently, I was working on one of the issue related to locks and deadlocks with InnoDB tables and I found very interesting details about how InnoDB locks and deadlocks works with or without index for different Isolation levels.

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