10 Apr

WebScaleSQL 5.6.24 is built and ready to test

On Tuesday  Steaphan Greene  announced that all currently-pushed changes have now been rebased onto the newly-released upstream MySQL-5.6.24.

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06 Mar

Handling hierarchy and travesing Social networks in MySQL with OQGraph

From time to time we detect query patterns that are not well fitted to the BTree+ structures provided by InnoDB. One such situation is when you need to traverse a hierarchy (tree) or graph structure with many nodes. Specialist databases exist for this such as Neo4J. However there exists a simple solution in the form of  OQGraph which is distributed with MariaDB and is documented here.

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03 Mar

MySQL Character encoding - part 2

In MySQL Character encoding - part 1 we stated that the myriad of ways in which character encoding can be controlled can lead to many situations where your data may not be available as expected.

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12 Feb

MySQL Character encoding - part 1

Breaking and unbreaking your data Recently at FOSDEM, Maciej presented "Breaking and unbreaking your data", a presentation about the potential problems you can incur regarding character encoding whilst working with MySQL. In short, there are a myriad of places where character encoding can be controlled, which gives ample opportunity for the system to break and for text to become unrecoverable.

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04 Feb

WebScaleSQL RPMs available at PSCE repository

Driven by popularity of previous post about Debian/Ubuntu builds of WebScaleSQL and long discussions during FOSDEM conference this weekend, PSCE engineering team decided to put even more effort into.

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