Eleven per cent of a request spent in the autoloader, on a machine where the optimised classmap had not been generated. The authoritative flag turns every autoload into…
The slow request cannot be reproduced locally, and profiling everything in production is not an option. The trigger value has to be a secret, or anybody can make…
Preloading 900 classes, and a fatal error at startup about a class that could not be resolved. The linking is what makes preloading fast and what makes it…
Replication lag of eleven minutes on a replica with no load, caused by a single transaction on the primary that took eleven minutes. The instant drop is the…
Adding a nullable column is instant in 8.0; filling it for four million existing rows is not. Three steps instead of one — add nullable, backfill, tighten —…
A settings lookup in a provider’s register() method, executed on every request including the ones that never read a setting. The binding was lazy and the line below…