From: Eric Wong on 4 Jun 2010 04:53
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.
However, if you find Unicorn too mainstream these days, you can
get your indie cred right here by using Rainbows! today.
This release fixes corrupted large response bodies for Ruby 1.8
users with the WriterThreadSpawn and WriterThreadPool models
introduced in 0.93.0. This bug did not affect Ruby 1.9 users
nor the users of any older concurrency models.
There is also a strange new Rainbows::Sendfile middleware. It
is used to negate the effect of Rack::Contrib::Sendfile, if that
makes sense. See the RDoc or
http://rainbows.rubyforge.org/Rainbows/Sendfile.html for all the
Finally, the RDoc for our test suite is on the website:
I wrote this document back when the project started but
completely forgot to tell RDoc about it. Personally, this
test suite is one of my favorite parts of the project.