Astute readers of the release notes for MariaDB 10.0.12 will notice that there is a line that reads: performance_schema is now disabled by default.

We didn’t come to this decision by accident. Recently at the SkySQL company meeting in Budapest, we did have some time to break out into our usual working teams to talk about our daily operations. Team MariaDB had a debate about PERFORMANCE_SCHEMA and how it was left on by mistake in 10.0 GA as there was a decision to turn it off. Personally, I don’t like introducing such changes in a GA release, and there was no archive of such a discussion, so the next best thing to do was to ask the MariaDB developers and users via a post to both maria-developers and …

VividCortex will exhibit at Velocity Santa Clara! If you run any sort of MySQL, please come by our booth so we can show you how to automate collection of MySQL KPIs, reduce cost of hardware, and make your team much more efficient at managing problems.

I will also be speaking in a talk titled "Making Your Dream a Reality: Raising Money for Your Web Operations or Web Performance Idea." I prepared this talk as an instructional piece for the tactics of getting funding for your startup, thinking about what's important with a fundraise, and generally enabling more engineers to kick some ass and make the world more awesome.

If you can't attend this talk, I'll be doing a webinar on this talk on July 15th at 2PM with the same material. Feel free to sign up. I'll …

This is not a new feature by any means but it is a question I have happen to see pop up every now and then. So a quick example is following.

To generate a random integer within MySQL you can use the Floor and Rand functions. The MySQL manual documents this here: http://dev.mysql.com/doc/refman/5.5/en/mathematical-functions.html#function_rand

"To obtain a random integer R in the range i <= R < j, use the expression FLOOR(i + RAND() * (j – i))"

So to give an example:

> SET @I = 3; # lower range
> SET @J = 43 - @I; # max range minus lower range

> SELECT FLOOR( @I + (RAND() * @J )) as lottery_numbers\G
…

If you need analytics insight into huge data sets in real-time, you probably at some point googled “Big Data”, “Columnar Database”, “SQL on Hadoop”, “MySQL Storage Engine”, “Massively Parallel Database” or “Distributed Database”. And it is highly likely that you came across InfiniDB as one of the results. In this post, I will help you with get to know InfiniDB and to see how these google keywords applies to InfiniDB.

MySQL Fabric – High Availability & Automated Sharding for MySQL

MySQL Fabric is built around an extensible and open source framework for managing farms of MySQL Servers. Currently two features have been implemented – High Availability (built on top of MySQL Replication) and scaling out using data sharding. These features can be used in isolation or in combination. MySQL Fabric aware connectors allow transactions and queries to be routed to the correct servers without the need for a proxy node, so operations run as quickly as ever. In this webinar you will learn what MySQL Fabric is, what it can achieve and how it is used – by DBAs, Dev-Ops and developers. You’ll also be exposed to what is happening under the covers. In addition to the presentation, there will be live on-line Q&A with the engineering team. This is a great opportunity to learn about the latest developments directly from the people building them. …

On Thursday (19th June), Mats Kindahl and I will be presenting a free webinar on why and how you should be using MySQL Fabric to add Sharding (scaling out reads & writes) and High Availability to MySQL. This product has only recently gone GA and so this is a good chance to discover it’s for you and to get your questions answered by the people who wrote the software! All you need to do is register for the MySQL Fabric webinar here.

Abstract

MySQL Fabric is built around an extensible and open source framework for managing farms of MySQL Servers. Currently two features have been implemented – High Availability (built on top of MySQL Replication) and scaling out using …

Download MariaDB 10.0.12

Release Notes Changelog What is MariaDB 10.0?

MariaDB APT and YUM Repository Configuration Generator

The MariaDB project is pleased to announce the immediate availability of MariaDB 10.0.12. This is a Stable (GA) release.

See the Release Notes and …

We had really great webinar on Replicating to/from Oracle earliest this month, and you can view the recording of that Webinar here.

A good sign of how great a Webinar was is the questions that come afterwards, and we didn’t get through them all. so here are all the questions and answers for the entire webinar.

Q: What is the overhead of Replicator on source database with asynchronous CDC?

A: With asynchronous operation there is no substantial CPU overhead (as with synchronous), but the amount of generated redo logs becomes bigger requiring more disk space and better log management to ensure that the space is used effectively.

Q: Do you support migration from Solaris/Oracle to Linux/Oracle?

A: The replication is not certified for use on Solaris, however, it is possible to …