The rollback plan should exist before the rollout plan is approved. We wrote the migration twice: once to learn, once to ship. Caches are easy to add and surprisingly hard to remove.
A small example
A boring deploy pipeline is a feature, not a lack of ambition. Naming things well saved us more time than any framework migration. The fastest query is the one you never send, but the second fastest has a good index.
The fastest query is the one you never send, but the second fastest has a good index. Most production incidents start as a small assumption nobody wrote down.
Getting started
Naming things well saved us more time than any framework migration. Most production incidents start as a small assumption nobody wrote down. Latency percentiles tell a story that averages politely hide. Every retry needs a budget, otherwise it is just a slower outage.
- Alert on symptoms, not causes
- Measure p95 and p99, not just the mean
- Delete dead code the same week
- Pin versions, update on purpose
We wrote the migration twice: once to learn, once to ship. Every retry needs a budget, otherwise it is just a slower outage.
What didn’t
The fastest query is the one you never send, but the second fastest has a good index. The best architecture diagram is the one the new hire can redraw from memory. Small pull requests get real reviews, large ones get approvals. Security is mostly about saying no to defaults that were convenient in 2010.
The fastest query is the one you never send, but the second fastest has a good index. Most production incidents start as a small assumption nobody wrote down.
Most production incidents start as a small assumption nobody wrote down. Small pull requests get real reviews, large ones get approvals.
Leave a Reply