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Showing entries 1 to 8

Displaying posts with tag: mysqltuner (reset)

What’s up with the advice tools ?
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For the first time since the beginning of my long long career, I decided today to use an advice tool to check my MySQL configuration.

I decided to launch pt-variable-advisor and mysqltuner V2 on one of my MySQL server.
Here are the result outputs :

Then I ask myself what to do with these results, just raw results without much explanations, these tools are supposed to be done for beginners…


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Vote for MySQL[plus] awards 2011 !
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First of all, I wish you a happy new year.
Many things happened last year, it was really exciting to be involved in the MySQL ecosystem.
I hope this enthusiasm will be increased this year, up to you !

To start the year, I propose the MySQL[plus] Awards 2011
It will only take 5 minutes to fill out these polls.
Answer with your heart first and then with your experience with some of these tools or services.

Polls will be closed January 31, so, vote now ! …





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7 Ways to Troubleshoot MySQL
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MySQL databases are great work horses of the internet.  They back tons of modern websites, from blogs and checkout carts, to huge sites like Facebook.  But these technologies don't run themselves.  When you're faced with a system that is slowing down, you'll need the right tools to diagnose and troubleshoot the problem.  MySQL has a huge community following and that means scores of great tools for your toolbox. Here are 7 ways to troubleshoot MySQL.

1. Use innotop

Innotop is a great tool for MySQL which despite the name monitors MySQL generally as well as InnoDB usage.  It's fairly easy to install, …

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Videos of Pythian Sessions from the 2010 O’Reilly MySQL Conference and Expo
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Here’s a sneak peek at a video matrix — this is all the videos that include Pythian Group employees at the MySQL conference. I hope to have all the rest of the videos processed and uploaded within 24 hours, with a matrix similar to the one below (but of course with many more sessions).


Title Presenter Slides Video link
(hr:min:sec)
Details (Conf. site link)
Main Stage
Keynote: Under New Management: Next Steps for the Community Sheeri …
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Database tuning: ratio vs. rate
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Baron makes an excellent point in Why you should ignore MySQL’s key cache hit ratio — ratio is not the same as rate. Furthermore, rate is [often] the important thing to look at.

This is something that, at Pythian, we internalized a long time ago when thinking about MySQL tuning. In fact, mysqltuner 2.0 takes this into account, and the default configuration includes looking at both ratios and rates.

If I told you that your database had a ratio

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OpenSQLCamp 2009 presentation videos are online and free!
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In record time, less than a week after the conference (thanks to the free Pinnacle Video Spin and YouTube), all 11 videos that were taken at OpenSQLCamp Europe are online.

For those who missed the sessions, or just want to relive the fun!

Almost all the sessions were filmed; regrettably Darren Cassar’s Securich – MySQL user administration and security made easy! and …

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Using MySQLTuner – MySQL Optimization Tool
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MySQLTuner is a script written in Perl that will assist you with your MySQL configuration and make recommendations for increased performance and stability. Within seconds, it will display statistics about your MySQL installation and the areas where it can be improved. Downloading MySQLTuner: wget http://mysqltuner.com/mysqltuner.pl chmod +x mysqltuner.pl Using MySQLTuner Script for Lampp systems: Just […]

Audit a MySQL Instance with MySQLTuner
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Quite often we need to perform a so-called “MySQL instance audit”. This common DBA procedure should give you a general view of the MySQL environment. You may be interested in a basic understanding of what kind of operation MySQL performs, how much memory does it use, or how well does it look from the performance point of view. There is no easy out-of-the-box way to do such an audit on a MySQL server. You can use SHOW STATUS and check the list of system variables, but this way can hardly be called DBA-friendly.

Fortunately there are several tools to make this process easier. Among most popular are mysqlreport and MySQLTuner. In this …

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Showing entries 1 to 8

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