ci-cd – Page 2 – Türker Yıldırım

The suite at ninety seconds, a year later

NoteApril 15, 20261 min read

A suite that reached ninety seconds in 2025, measured again after a year of tests being added. Treating suite duration as a budget with a trend rather than…

The runner that was larger than the job needed

NoteMarch 30, 20262 min read

An eight-core runner assigned to a job that is network-bound, at four times the cost for no gain. A larger runner was applied to every job when it…

An action pinned by digest, and the bot that reads the tag

NoteMarch 22, 20262 min read

Third-party actions pinned to a commit, and a bump pull request that a human can actually review. The bundled dist file being unreviewable is the honest part of…

An image rebuilt weekly, and the week it was not

NoteJanuary 31, 20262 min read

A scheduled base image rebuild, disabled during an incident in November, restored in February. A guard and the thing it guards being disabled together is the ordinary shape…

Publishing a shared lint config for a team

Deep diveJanuary 22, 202610 min read

turkerdev/kbox-eslint-rules, and four repositories with four nearly identical configs that disagreed on eleven rules.

theme.json regenerated, and the check that has fired five times

NoteJanuary 21, 20261 min read

A generated file under version control, and the CI check that is the only thing keeping the generation meaningful. Five failures in four years, every one of them…

The flake that only appeared under parallelism

NoteDecember 10, 20251 min read

A test that had passed ten thousand times serially and failed roughly one run in twelve once eight processes shared a clock. Serial execution made the timing deterministic…

Ninety seconds, and what changed about how people work

NoteNovember 20, 20252 min read

A suite at four minutes forty that people ran on push, and at ninety seconds that people run on save. There is a threshold below which running the…

Boundaries drawn on a whiteboard, and the test that checks them

Deep diveNovember 4, 202510 min read

A module diagram from 2023 and a codebase that has moved since. A diagram everybody references and nobody has checked.

A schema cached rather than migrated, per job

NoteOctober 25, 20252 min read

188 migrations run at the start of every CI job, replaced by a dump loaded in nine seconds. The staleness check is what makes this safe, and without…