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• docs.seattlerb.org/net-http-persistent

• github.com/drbrain/net-http-persistent

Manages persistent connections using Net::HTTP plus a speed fix for Ruby 1.8. It’s thread-safe too!

Using persistent HTTP connections can dramatically increase the speed of HTTP. Creating a new HTTP connection for every request involves an extra TCP round-trip and causes TCP congestion avoidance negotiation to start over.

Net::HTTP supports persistent connections with some API methods but does not handle reconnection gracefully. Net::HTTP::Persistent supports reconnection and retry according to RFC 2616.

2.2 / 2011-10-24

• Minor Enhancements

  • Added timeouts for idle connections which are set through #idle_timeout. The default timeout is 5 seconds. Reducing the idle timeout is preferred over setting #retry_change_requests to true if you wish to avoid the “too many connection resets” error when POSTing data.

  • Documented tunables and settings in one place in Net::HTTP::Persistent