Simon Willison’s Weblog

MongoDB - Capped Collections. Collections with a size limit that automatically expire older entries are interesting—useful for things like a “recent searches on this site” feature.

Posted 7th June 2009 at 12:50 pm

Recent articles

First impressions of Claude Cowork, Anthropic's general agent - 12th January 2026
My answers to the questions I posed about porting open source code with LLMs - 11th January 2026
Fly's new Sprites.dev addresses both developer sandboxes and API sandboxes at the same time - 9th January 2026

cappedcollections 1 mongodb 11 search 93

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