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11 Aug 2006

Database problems in MySQL/PHP Applications

By Peter Zaitsev Insight for Developers GitHub, LAMP, Production, Tips 13 Comments
Peter Zaitsev2006-08-11T07:49:31-04:00

Article about database design problems is being discussed by Kristian.
Both article itself and responce cause mixed feellings so I decided it is worth commenting:
1. Using mysql_* functions directly This is probably bad but I do not like solutions proposed by original article ether. PEAR is slow as […]

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11 Aug 2006

MySQL Server Upgrade

By Peter Zaitsev Insight for DBAs About This Blog, GitHub, Production 9 Comments
Peter Zaitsev2006-08-11T04:54:09-04:00

Today I’ve upgraded MySQL Server on the host running MySQL Performance Blog. MySQL 4.1.12 was running here for well over a year before that.
Why Have not I upgraded before ? Well because it just worked fine. Yes I know there were some security fixes but I have dedicated server with remote […]

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10 Aug 2006

MySQL Performance Forums

By Peter Zaitsev Percona Events About This Blog, GitHub 18 Comments
Peter Zaitsev2006-08-10T13:35:16-04:00

I’m happy to announce availability of MySQL Performance Forums on MySQL Performance Blog.
This forum is created as free alternative to MySQL Consulting Services which we provide. If you would like to get some free help to your performance issues please use forums so everyone else could benefit from our replies. You […]

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10 Aug 2006

Using UNION to implement loose index scan in MySQL

By Peter Zaitsev Insight for Developers GitHub, Optimizer, Tips 16 Comments
Peter Zaitsev2006-08-10T07:30:26-04:00

One little known fact about MySQL Indexing, however very important for successfull MySQL Performance Optimization is understanding when exactly MySQL is going to use index and how it is going to do them.
So if you have table people with KEY(age,zip) and you will run query something like
SELECT name FROM […]

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09 Aug 2006

Cache Performance Comparison

By Peter Zaitsev Insight for Developers GitHub, LAMP 75 Comments
Peter Zaitsev2006-08-09T08:00:29-04:00

Jay Pipes continues cache experiements and has compared performance of MySQL Query Cache and File Cache.
Jay uses Apache Benchmark to compare full full stack, cached or not which is realistic but could draw missleading picture as contribution of different components may be different depending on your unique applications. For example for […]

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