Blog

Welcome new Oracle ACE’s

I am pleased to announce that the Oracle ACE program has two new MySQL inductees. These people actively contribute to the MySQL community via a varied means in an unbiased and non commercial way.

Changes in using Profiling in MySQL 5.5

In the past I’ve used the profiling features (e.g. SHOW PROFILES) in MySQL to help with timing SQL statements, especially those in the < 10 millisecond range. Out of habit I did use this to time all SQL statements however in MySQL 5.

Eyes Only for Recruiters

Dear Recruiters. **I am always open to hearing about exceptional opportunities that will be a challenging role with hard problems to solve and a great team to work with. **

MySQL 5.5.8 GA and PHP 5.3.4 don’t get along with libmysql

Today I discovered that you are unable to compile the current stable PHP version 5.3.4 with yesterday’s MySQL 5.5.8 GA release. I was able to download the current MySQL 5.1.54 and compile without issue.

Five reasons to upgrade to MySQL 5.5

Updated Nov 2011. Check out my Reasons to use MySQL 5.5 Presentation for more in-depth information about installing/configuring and using MySQL 5.5 I have been looking forward to the general availability (GA) release of MySQL 5.

Wish list for MySQL thread polling events

It is great to draw inspiration from other Open Source communities. Brad Fitzpatrick recently wrote about Android Strict Mode . His twitter tag line for this post was “I see you were doing 120 ms in a 16 ms zone” which is all I needed to hear from somebody who also worries unreasonably about responsiveness (Web site quote).

Unexpected mysqld crashing in 5.5

An update of MySQL from 5.0 to 5.5 on CentOS 5.5 64bit has not resulted in a good experience. The mysqld process would then crash every few minutes with the following message.

Damm you Peformance Schema

One significant new feature of MySQL 5.5 is the Performance Schema . I recently performed an upgrade from 5.0 to 5.5, however my check of differences in the MySQL variables via mysqladmin variables failed because we now have a new record long variable name “performance_schema_events_waits_history_long_size”.

The Casual MySQL DBA – Operational Basics

So your not a MySQL DBA, but you have to perform like one. If you have a production environment that’s running now, what are the first things you do when it’s not running or reported as not running?

MySQL HandlerSocket under Ubuntu

Starting with the great work of Yoshinori-san Using MySQL as a NoSQL – A story for exceeding 750,000 qps on a commodity server and Golan Zakai who posted Installing Dena’s HandlerSocket NoSQL plugin for MySQL on Centos I configured and tested HandlerSocket under Ubuntu 10.

Improving MySQL Insert thoughput

There are three simple practices that can improve general INSERT throughput. Each requires consideration on how the data is collected and what is acceptable data loss in a disaster. General inserting of rows can be performed as single INSERT’s for example.

OTN MySQL conference slides

2010 has been the first year I have re-presented any of my developed MySQL presentations. Historically I have always created new presentations, however Paul Vallee gave me some valuable advice at UC 2010.

Change in MySQL logo

This is only a piece of trivia, however has anybody noticed that the MySQL logo has changed. Using the Legal Trademark page we can see the old logo and the new logo together.

MySQL Support Options

Oracle has released news about changing policies of MySQL Enterprise Support effectively dropping annual support for Basic and Silver. The entry level support is now $3000 per server per year. The MySQL support team now part of Oracle has great resources however Oracle is in the business of making money.