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Copying InnoDB tables between servers
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What does Using filesort mean in MySQL?
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Should you move from MyISAM to Innodb ?
There is significant portion of customers which are still using MyISAM when they come to us, so one of the big questions is when it is feasible to move to Innodb and when staying on MyISAM is preferred ? I generally prefer to see Innodb as the main storage engine because it makes life much simpler in the end for most users – you do not get to deal with recovering tables on the crash or partially e
How to calculate a good InnoDB log file size
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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 will be dedicated for MySQL with large Innodb database using typical Web workload what settings you would adjust and interestingly enough most people fail to come up with anything reasonable. So I decided to publish the answer
Working on "High Performance MySQL, Second Edition", how you can help?
As you may already have seen announcement by Baron we’re working on major rewrite of High Performance MySQL book – the most famous book about MySQL Performance on the market… which is getting old though. We’ve been slowly working on the book for over half a year now and were later joined by Arjen Lentz and Baron I think we make a great team and will be able to provide great in depth book on MySQL
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Using MyISAM in production
There were recently number of posts about MyISAM, for example Arjen wrote pretty nice article about MyISAM features so I thought I would share my own view on using MyISAM in production. For me it is not only about table locks. Table locks is only one of MyISAM limitations you need to consider using it in production. Especially if you’re comming from “traditional” databases you’re likely to be shoc
Why MySQL Could Be Slow With Large Tables
If you’ve been reading enough database-related forums, mailing lists, or blogs you have probably heard complains about MySQL being unable to handle more than 1,000,000 (or select any other number) rows by some of the users. On the other hand, it is well known with customers like Google, Yahoo, LiveJournal, and Technorati, MySQL has installations with many billions of rows and delivers great perfor
MySQL Slow query log in the table
As of MySQL 5.1 get MySQL slow query log logged in mysql.slow_log table instead of the file as you had in previous versions. We rarely would use this feature as it is incompatible with our slow query analyses patch and tools Fixing this is not trivial while staying 100% compatible to standard format as TIME type which is used to store query execution time and lock time does not store fractions of
COUNT(*) vs COUNT(col) in MySQL
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Technical Presentations
All of Percona’s open source software products, in one place, to download as much or as little as you need.
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