I've been using MongoDB to rewrite the activity feed on one of my apps. I wouldn... | Hacker News

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Jim_Neath on Feb 1, 2010 | parent | context | favorite | on: Ask HN: What's the current state of NoSQL ?

I've been using MongoDB to rewrite the activity feed on one of my apps. I wouldn't use it for everything though (not just yet anyway).

Having said that, the guys behind Harmony (http://get.harmonyapp.com/) use MongoDB for everything, as far as I know: http://railstips.org/blog/archives/2009/12/18/why-i-think-mo...

simonw on Feb 1, 2010 [–]

I'm curious: how do you structure an activity feed in MongoDB? Are you doing anything special to support the case of "show me activity from all of the people I am following", or do you just use it as a fast append-only log?

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