Simon Willison’s Weblog

App Engine Fan: Efficient Global Counters. Implementing efficient counters in Google App Engine, using shards and/or memcached.

Posted 3rd June 2008 at 12:56 am

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

counters 3 google-app-engine 41 memcached 33

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe