%% date:: [[2022-01-13]], [[2023-02-23]] %% # [[The Six Performance Testing Hats]] You can apply [[Six Thinking Hats]] to [[Performance Testing]]: ![[assets/six-performance-testing-hats.png]] High load caused a production incident that prevented users from logging in. - Blue: Who's looking at this problem and do we need more eyes on it? - White: Let's check the logs to see what error was being returned. - Red: That doesn't sound right. We tested for exactly that! - Black: We should have done soak tests for authentication before the holiday season. - Yellow: It's great that our alerting systems worked! Let's tweak the alert so we find out faster next time. - Green: Let's see what customer support says.