This time Alex Gorbachev presentation about ASM failures - next videos on the way.
Just published Kevin Closson video from OakTable World 2012.
This story begins couple of weeks ago when I was asked to look on performance problem for critical processes before go-live. There were differences between run times between different test systems and between runs with 10046 trace enabled or not.
First of all I started with tracing issue. I have checked server CPU and disk utilization using NMON (tool name is important here). There wasn’t any problem with CPU utilization – or at least this is what I was thinking at that time. Tracing was enabled with level 12 (bind and wait) and it generate 2 GB of trace file (more...)
New OakTable World 2012 video from Kyle Hailey presentation has been uploaded into YouTube.