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MySQL Cache Optimization

Freshbooks ran into an interesting bit about selecting a MySQL Table Cache size: The problem was caused by our new configuration of MySQL. The usual approach to setting MySQL’s table cache size is to...

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The Unwritten Manual: Ajax & Flash Multi File Uploader

I think my pet peeve of the day today is going to be developers who think that no documentation or setup instructions should be necessary for their little chunk of code… especially when it mashes up as...

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MySQL Fulltext Index Stopwords

The list of stopwords is essential if you’re thinking of using MySQL’s FULLTEXT index type, and it hasn’t been mentioned in other places I’ve seen the fulltext index discussed.

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If you can’t say something nice…

Good article by Sheeri Cabral: Why you Want to Switch to MySQL 5.1. The 5.1 branch has gotten a bad rap, but there’s a few things in there like the table change locking that will help us with our...

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MySQL Temporal Handling

Wow, this post by Jay Pipes on how MySQL handles time/date-related issues couldn’t come at a better time… more on that in another week or two. Update: Jay posted his sample code.

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A Little Love for Lua

Version 0.5 of LÖVE – a 2d game engine for Lua – has dropped. Lua is a lightweight open-source scripting language that’s embeddable in other products and devices. I first encountered Lua using the...

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The coolest mysql function I didn’t know existed…

Apparently I’ve been living under a rock for the past three years. group_concat. To use it is to know it, and to know it is to love it.

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Sun/MySQL Reducing or Eliminating Support for Other OSes?

Two years ago, I reported a bug in MySQL Query Browser that caused it to crash on OS X and Linux. For those not in the know, MySQL Workbench is an attempt to get a GUI tool comparable to Microsoft’s...

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Detecting and Resolving LAMP Stack Performance Problems

As a sysadmin, we sometimes run into performance problems with multiple angles and portions. It’s sometimes not particularly obvious where the actual performance problem is, and resolving one problem...

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Detecting and Resolving LAMP Stack Problems – Scheduled Downtime

In the last issue of my current consulting saga, Detecting and Resolving LAMP Stack Performance Problems, we talked about a Drupal site that was being brought offline every few hours due to poor tuning...

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