Databases

Controlled failover simplicity with MySQL

As part of a recent engagement, I described the relative products to manage a MySQL pair (i.e. an Active/Passive MySQL masters configuration). This included the steps to undertake a controlled failover for supporting software maintenance using manual procedures.

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Joining the Continuent Team

This month I have joined the team at Continuent . No stranger to the MySQL ecosystem, Continuent provides replication and clustering technology for managing data between MySQL, Oracle, PostgreSQL, Vertica and a growing list of data stores.

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Looking for MySQL 4.1

I had need today to download a version of MySQL 4.1 to test something. The MySQL Developer Zone archives no longer provides any software before 5.0. While this may have long reached EOL and is no longer support, customers still do run this version of MySQL.

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SPOF Internet

SPOF (i.e. Single Point of Failure) is the bane for technologists. Avoiding SPOF generally requires redundancy, and redundancy has a cost, often more then a business is prepared to pay. In the database field, I see this regularly and advise clients on how to improve availability and potential avoid disasters that can affect their business.

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MySQL client password security

In case you missed it, MySQL 5.6.6, also known as Milestone 9, was recently released. I have yet to install this, however just one part of the MySQL 5.6.6 Release Notes makes placing installing and testing high on my TODO list.

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When is a crashing MySQL bug not a bug?

Answer: When Oracle acknowledges the bug in 5.5.25 (to the owner only), corrects the bug in 5.5.27 (to the owner only), yet hides all information of its existence. Recently a colleague and good friend discovered a bug in MySQL 5.

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Recent Presentations in Cali, Colombia

On July 4 I gave two presentations at the OTN Tour Day, and on July 5 I have three presentations at the MySQL Training Days. This was my 3rd visit to Colombia and it was great to see a receptive audience.

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Video interviews at OTN Colombia

The following are short interviews from the Oracle Technology Network (OTN) event in Cali, Colombia. One with myself and another with Sheeri Cabral . These Videos are sourced from OTN Tour Latin America 2012 .

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New security fixes for MySQL reported

6 new security fixes for Oracle MySQL have been detailed in the most current Oracle Critical Patch Update (CPU). These are: CVE-2012-1735 (5.5.23 and earlier) CVE-2012-0540 (5.1.62 and earlier, 5.5.23 and earlier) CVE-2012-1757 (5.

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I will be speaking at Percona Live New York

Percona is back for a second New York Percona Live Conference . As the resident New York MySQL Expert , I will again be presenting. My session will be on MySQL Backup and Recovery Essentials .

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Encrypting your MySQL backups and more

Assuming you have a backup and recovery strategy in place, how secure is your data? Does a hacker need to obtain access to your production system bypassing all the appropriate security protection you have in place, or just the unencrypted data on the backup server?

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What compression do you use?

The following is an evaluation of various compression utilities that I tested when reviewing the various options for MySQL backup strategies. The overall winner in performance was pigz, a parallel implementation of gzip.

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Recent Presentations Buenos Aires MySQL/NoSQL/Cloud Conference

The first annual Latin America MySQL/NoSQL/Cloud Conference was held in Buenos Aires Argentina from June 26-28. Kudos to Santiago Lertora from Binlogic who had the vision for the conference in his country and made it happen.

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Upcoming MySQL Connect Presentations

The MySQL Connect 2012 conference event being held in San Francisco on Sep 29-30 has a long list of quality MySQL speakers including myself. I will be giving 2 presentations on:

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