More on measuring IO latency

To follow on to my earlier links to Brendan Gregg’s blog posts on measuring I/O latency, there is a third one discussing DTrace, and then a very detailed response from Mark Leith showing how to do it with the PERFORMANCE_SCHEMA in MySQL 5.5.


I'm Baron Schwartz, the founder and CEO of VividCortex. I am the author of High Performance MySQL and lots of open-source software for performance analysis, monitoring, and system administration. I contribute to various database communities such as Oracle, PostgreSQL, Redis and MongoDB. More about me.


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