Cache warming.
also: warm the cache · warming the cache · cache warm-up · warm cache · cold cache · feed warmingPre-loading the cache with likely-hot data before traffic arrives, so a deploy, restart or launch doesn't start cold.
the two-minute refresher
- A cold cache has nothing: every request goes to the database.
- Warm it from access logs, top-N lists or a replay of recent traffic.
- Do it before flash sales, launches and after deploys.