Back in 2018 I wrote about how to apply Brendan Gregg’s FlameGraphs for visualizing SQL plan execution time 1, using the plan node-level context and timing data that some database engines provide. This approach is not designed to replace the traditional plan display methods that are packed with lots of additional metrics and details. Nevertheless, in case of large execution plans, SQL plan flamegraphs give you a quick overview of both the plan structure, tables and operations involved and w...
