Eight parallel workers against one database is eight processes fighting over the same rows, and the failures look like flakiness. The setup cost is what determines whether parallelism…
A named stage that installs dev dependencies and runs the suite gives the pipeline a single command and the runtime image none of it. The value is that…
A composite action runs inside an existing job and shares its runner and workspace, which makes it the right unit for a sequence of steps and the wrong…
An exact key miss with no restore keys means starting from nothing, which for a node_modules cache is the difference between four seconds and ninety. The restore key…
A failed job stops at the failing step, so the upload step that would have captured the screenshots never runs. if: failure() is the one that belongs on…