[ANN] unicorn 4.1.0 - Rack HTTP server for fast clients and Unix

ruby-talk
1

Unicorn is an HTTP server for Rack applications designed to only serve
fast clients on low-latency, high-bandwidth connections and take
advantage of features in Unix/Unix-like kernels. Slow clients should
only be served by placing a reverse proxy capable of fully buffering
both the the request and response in between Unicorn and slow clients.

* http://unicorn.bogomips.org/
* mongrel-unicorn@rubyforge.org
* git://bogomips.org/unicorn.git
* http://unicorn.bogomips.org/NEWS.atom.xml

Changes:

* Rack::Chunked and Rack::ContentLength middlewares are loaded
  by default for RACK_ENV=(development|deployment) users to match
  Rack::Server behavior. As before, use RACK_ENV=none if you want
  fine-grained control of your middleware. This should also
  help users of Rainbows! and Zbatery.

* CTL characters are now rejected from HTTP header values

* Exception messages are now filtered for [:cntrl:] characters
  since application/middleware authors may forget to do so

* Workers will now terminate properly if a SIGQUIT/SIGTERM/SIGINT
  is received while during worker process initialization.

* close-on-exec is explicitly disabled to future-proof against
  Ruby 2.0 changes [ruby-core:38140]

···

--
Eric Wong

2

Changes:

The last-resort timeout mechanism was inaccurate and often
delayed in activation since the 2.0.0 release. It is now fixed
and remains power-efficient in idle situations, especially with
the wakeup reduction in MRI 1.9.3+.

There is also a new document on application timeouts
intended to discourage the reliance on this last-resort
mechanism. It is visible on the web at:

  http://unicorn.bogomips.org/Application_Timeouts.html

* http://unicorn.bogomips.org/
* mongrel-unicorn@rubyforge.org
* git://bogomips.org/unicorn.git
* http://unicorn.bogomips.org/NEWS.atom.xml

···

--
Eric Wong