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Using Dtrace on MySQL

Oct 05, 2007, 09:00 (0 Talkback[s])
(Other stories by Derek Crudgington)

"Even though there aren't DTrace probes for MySQL released yet, we can still get useful information from MySQL. DTrace has a pid provider which allows us to get into any function the program is executing and see its arguments. The only drawback is you have to go digging around in the source code to find out what you want to see. But thanks to guys like Brendan Gregg, they have already done some of the digging for us.

"Even if we want to go digging around ourselves, it's really not that hard; you just have to get your feet wet. And because Accelerators have DTrace probes enabled, you can take advantage of using DTrace on MySQL. I will show some examples of this and how easy it is to hunt down your own functions..."

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