dropwizard/dropwizard — pull request #617 by reines (2014-06-13 20:50:44+00:00)
Title: Updating httpclient to 4.3.4

Improved performance under high concurrency.

> This version replaces dynamic proxies with custom proxy classes and eliminates thread contention in java.reflect.Proxy.newInstance() when leasing connections from the connection pool and processing response messages.

http://hc.apache.org/news.html