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MySQL speed up tip for OS X

July 12, 2006 | Computers

So, while it was nice to have MySQL on my server and on my laptop I had always felt that it was a bit pokey as far as response times go. Turns out I wasn’t wrong. And its easy to fix.

The OS X version of MySQL that you can download straight from MySQL AB does not install a my.cnf file. Yep, its running with no optimization.

There are two ways to rectify this for a multi-user environment and 1 way to make changes user specific. The user-specific method doesn’t address a web-server being pokey so I won’t even mention it.

The correction is easy and dependent upon wether you want to effect the entire server (will effect multiple installs of MySQL) or just a single install of MySQL.

Most of us only run one instance of MySQL on our machines so this first method will be the easiest and also allows for a bit easier access to the my.cnf file for later tweaking. Locate your mysql install via the command line – mine was in /usr/local/mysql-super-long-name/. Once in the directory issue this command

sudo cp support-files/my-medium.cnf /etc/my.cnf

This puts the my.conf file in a global location, the /etc directory. This means that all installs of MySQL will respond to changes made to this file.

If by chance you need to effect a specific server instance you can do

sudo cp support-files/my-medium.cnf data/my.cnf

If you later need to edit this my.cnf file be sure to take care – the data dir is, you guessed it, where all your data lives. A slip in there and you can really bork your data.

Whichever way you decided to go you should now notice a marked improvement in server response times when accessing the database.

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  • All this time, I thought it was just my PowerBook being slow as usual.

    Tom, July 17, 2006 11:16 pm | permalink

  • I liked your site.

    Jim Dobson, December 26, 2006 12:55 am | permalink

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