Emergency

Yearly Archives: 2007

Innodb Performance Optimization Basics

Note: There is an updated post on this topic here. Interviewing people for our Job Openings I like to ask them a basic question – if you have a server with 16GB of RAM which …

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The new cool MySQL patch has landed! Check your queries performance!

Microslow patch is used by many DBAs and developers to accurately time their queries and to catch those which run less than a second as they can also be a performance killer for a busy …

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Yet another presentation submission

Looking at the Feedback I got for other Presentations Proposals I thought I indeed should submit general presentation focusing on Web Application performance tuning and explaining how you analyze performance and why do you do …

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Hacking to make ALTER TABLE online for certain changes

Suppose you want to remove auto_increment from 100G table. No matter if it’s InnoDB or MyISAM, you’d usually ALTER TABLE huge_table CHANGE id id int(6) NOT NULL and then wait hours for table rebuild to …

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Heikki Tuuri Innodb answers – Part I

Its almost a month since I promised Heikki Tuuri to answer Innodb Questions. Heikki is a busy man so I got answers to only some of the questions but as people still poking me about …

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MySQL Support or Support for MySQL ? MySQL Trademark Policies

What is the difference between “MySQL Support” and “Support for MySQL” ? In my mind there is not much difference in meaning just first one is shorter and I would use it also because how …

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MySQL Performance Blog gets new server.

Try number two. We have moved to the new server yet again, now it is server hosted by ServerBeach as recommended by Kevin Burton and few other guys. Lets hope this will run stable and …

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MySQL Users Conference Presentation Proposals

OK, I am not getting too much people feedback on what would they like to hear about on MySQL Users Conference, so I went ahead and submitted few presentation ideas. I do not expect all …

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Progress with ClickAider project

About three months ago I announced ClickAider to become available to general public. And I think it is about the time to write about the progress we have with this project for those who interested. …

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Making bugs public – good job MySQL

If you have been MySQL User for many years you might remember the times when MySQL had “zero bugs policy”, this is when all known bugs really were fixed before release was made. To be …

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