From: Eric Wong on 22 Dec 2009 17:14
Rainbows! is an HTTP server for sleepy Rack applications. It is based on
Unicorn, but designed to handle applications that expect long
request/response times and/or slow clients. For Rack applications not
heavily bound by slow external network dependencies, consider Unicorn
instead as it simpler and easier to debug.
This release should fix ThreadSpawn green thread blocking issues
under MRI 1.8. Excessive socket closing is avoided when using
Thread* models with Sunshowers (or clients disconnecting
There is a new RevFiberSpawn concurrency model which combines
Rev with the traditional FiberSpawn model.