Blog Profile / The Data Charmer


URL :http://datacharmer.blogspot.com
Filed Under:Programming / Database Development
Posts on Regator:180
Posts / Week:0.4
Archived Since:June 30, 2008

Blog Post Archive

MySQL Sandbox updated with minimal support for MySQL 5.6.7

One of the surprises of MySQL 5.6 was that the mysql.host table was missing. How did I realize it? Because make_sandbox, the basic installation brick of MySQL Sandbox failed to complete. What happened is that MySQL Sandbox, before claiming success, checks if some key elements are available. Show More Summary

My speaking engagements - Q4 2012

After a long pause in the speaking game, I am back. It's since April that I haven't been on stage, and it is now time to resume my public duties. I will speak at MySQL Connect in San Francisco, just at the start of Oracle Open World, with a talk on MySQL High Availability: Power and Usability. Show More Summary

New strength for Continuent

It is public news now that Continuent has three new hires. I am particularly pleased with the news, as we are improving the team in three different directions: Services and management, with Ronald Bradford, with whom we have crossedShow More Summary

MySQL 5.6 replication gotchas (and bugs)

There has been a lot of talk about MySQL 5.6 replication improvements. With few exceptions, what I have seen was either marketing messages or hearsay. This means that few people have really tried out the new features to see whether they meet the users needs. Show More Summary

Is Oracle really killing MySQL?

There are plenty of "Oracle-is-killing-MySQL" headlines in the tech world: Oracle Makes More Moves To Kill Open Source MySQL Oracle now destroying MySQL Is MySQL Slowly Turning Closed Source? Is Oracle really consciously and willingly killing MySQL? I don't think so. Show More Summary

The hidden mistake

There are mistakes that drive you crazy when you try to understand what went wrong. One of the most annoying and hard to catch was this, apparently harmless line: tungsten-sandbox -m 5.5.24 --topology all-masters -n 2 -p 7300 -l 12300...Show More Summary

How to run a flawless technical demo

Why demos? For as long as I can remember in my public speaking activities, I have always planned my presentations with some sort of live demo in it. I am always surprised when a conference venue asks me to provide my slides in advance, to be loaded in an anonymous computer with no chance of demos. Show More Summary

A few hacks to simulate mysqldump --ignore-database

A few days ago, Ronald Bradford asked for a mysqldump –ignore-database option. As a workaround, he proposes: mysqldump --databases `mysql --skip-column-names \ -e "SELECT GROUP_CONCAT(schema_name SEPARATOR ' ') \ FROM information_schema.schemata...Show More Summary

Some lessons from MySQL Conference 2012

The Percona Live MySQL Conference and Expo 2012 is over. Together with the SkySQL solutions day, it has kept me occupied for 4 full days, from early morning to late at night. I have to say that I am pleased. The quality of the organization was very high, with a very good lineup of speakers and an excellent technical support. Show More Summary

21st century presentation technology at Percona Live

After 15 years of slide show technology, I thought that we need to change the way we do presentations. And since I am advocating radical changes, I will eat my own dog food and be the first to present a MySQL session using 3D technology. Show More Summary

April talks at Percona and SkySQL events

The second week of April will be quite a busy one Tuesday, April 10 April 10th is Tutorial day at the Percona Live MySQL Conference and Expo. On that day, I will present a classic: MySQL Replication 101. This is a topic traditionally presented by a MySQL engineer. Show More Summary

Lightning Talks at Percona Live MySQL Conference and Expo 2012

Several months ago I suggested having lightning talks at Percona Live MySQL Conference and Expo 2012, and I also offered to help. Then I forgot about that for a while, until I saw the announcement that there was a call for Lightning Talks. Show More Summary

MySQL 5.6 too verbose when creating data directory

When I install a MySQL package using MySQL Sandbox, if everything goes smoothly, I get an informative message on standard output, and I keep working. This is OK $HOME/opt/mysql/5.5.15/scripts/mysql_install_db --no-defaults \ --user=$USER...Show More Summary

MySQL Sandbox at the OTN MySQL Developers day in Paris, March 21st

On March 21st I will be in Paris, to attend the OTN MySQL Developers Day.Oracle is organizing these events all over the world, and although the majority are in the US, some of them are touching the good old European continent.Previous events were an all-Oracle show. Show More Summary

Bringing fresh blood to the MySQL Council

The MySQL Council has been operational for more than one year, with mixed fortunes.As an early member, I am glad to be a member, and I feel that I have done something useful by participating in this organism. The council is young, and the MySQL community is variegated and sparse. Show More Summary

Cool technology and usability in Tungsten Enterprise

When I joined Continuent, at the end of 2010, I was fascinated by the technology of its core products. Readers of this blog know that I have had my hands full with Tungsten Replicator, but what really turned me on was the flagship management...Show More Summary

Tungsten 2.0.5 with more power and ease of use

Tungsten Replicator 2.0.5 was released this week-end.The release notes have quite a long list of bug fixes. Thanks to all the ones who have submitted bug reports, and fixes!There are a couple of new features as well. The replicator includes now a slave prefetch service. Show More Summary

More Oracle ACEs for MySQL

As Keith announced today, there are two more Oracle ACE Directors for MySQL expertise. In case you are wondering how an ACE Director compares to a regular ACE, here is an overview and some FAQ.

MySQL and Friends schedule at FOSDEM 2012

The MySQL DevRoom at FOSDEM is ready. The schedule has been voted. Thanks to all who have participated.Now, let's make sure that the event is successful. The schedule is juicy, and not only because I have three talks in it! Sunday 2012-02-05...Show More Summary

Time to vote for MySQL sessions at FOSDEM

There is a room dedicated to MySQL at FOSDEM 2012. (Thanks to @lefred for organizing).The CfP has received 37 submissions, but there will be time slots only for 12 to 15 talks. So now it's up to the community. If you want to attend a particular talk, you should vote for it.Like in previous years, the selection of the talks is public. Show More Summary

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