laravel – Page 3 – Türker Yıldırım

The webhook we sent, and the retries we owed

Deep diveDecember 7, 202210 min read

Being the sender, for the first time, and the obligations that come with it. A customer endpoint that was down for six hours.

A cache invalidation bug that only appeared under load

Deep diveOctober 17, 202210 min read

Correct in every test, wrong for about one request in four thousand. A read that races a write, and a cache that keeps the loser.

PHPUnit 9 to Pest, and the migration that was not worth it

Deep diveSeptember 30, 202210 min read

A trial on one suite, honestly reported. Nothing was wrong with the tests we had.

A scheduled task on a second server runs twice

NoteSeptember 25, 20221 min read

The scheduler runs on every host that has a cron entry, which is correct behaviour and is not what anybody wants for a nightly export. Silently doing nothing…

Bus::batch, and the completion callback that is not a job

NoteSeptember 6, 20221 min read

A batch gives progress and a completion hook for a set of jobs, and the callbacks run on the worker that finished the last one. The callbacks are…

A read-through cache that stampedes exactly once

Deep diveAugust 24, 202210 min read

A cache entry expired at 09:00 and four hundred requests recomputed it. A latency spike every hour, exactly on the hour.

An admin panel that was a security boundary

Deep diveAugust 2, 202210 min read

/admin on the same hostname, behind a login form. A support engineer with the same session cookie as a customer.

A factory state is what makes an explicit fixture short

NoteJuly 21, 20222 min read

A test that creates its own data is only maintainable if creating it is one line, and a state is what makes it one line. Without states the…

Sessions in Redis, and the logout that did not

Deep diveJune 29, 202210 min read

A session store move that changed the security properties. Logging out on one device leaves the others signed in.

prunable models, and the scheduled delete you forgot to schedule

NoteJune 15, 20222 min read

The Prunable trait declares which rows are expendable and does nothing until something runs the command. The pruning hook loads and deletes row by row, which is correct…