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

Useful patterns for building HTML tools - 10th December 2025
Under the hood of Canada Spends with Brendan Samek - 9th December 2025
Highlights from my appearance on the Data Renegades podcast with CL Kao and Dori Wilson - 26th November 2025

cappedcollections 1 mongodb 11 search 93

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