reliability
Posts tagged "reliability".
- The Six Months I Had to Reload
A vendor changed one file and nothing broke — the warehouse just ingested subtly wrong numbers for half a year. Recovering it without the business noticing is what taught me what replayability, recoverability, and validation gating actually mean. Wrong data is worse than no data.
- Cron Is a Clock, Not a Scheduler
Cron fires on time and knows nothing else — not whether the last run finished, not whether the inputs arrived, not whether it already failed twice tonight. Most 'scheduling' bugs are really the gap between a clock and a scheduler.
- Fail Closed, Not Fast
One small default separates systems that survive reality from ones that only demo well: when a dependency dies, does your system keep going without it, or stop? For anything protective, the safe answer is the annoying one.