An honest write up with first hand details of the shortcomings of couchdb in production. There's a reason to stick with proven technologies and not simply chasing the latest shiny. Not saying sauce labs did that, just sayin'.
This post describes our experience using CouchDB, and where we ran into trouble. I’ll also talk about how this experience has affected our outlook on NoSQL overall, and how we designed our MySQL setup based on our familiarity with the positive tradeoffs that came with using a NoSQL database.
From: Goodbye, CouchDB | Selenium Testing? Do Cross Browser Testing with Sauce Labs