joyent/node — pull request #5246 by indutny (2013-04-08 08:25:13+00:00)
Title: Streams2 + net + http: writev

1. Introduce `._writev` function and `coalesce` stream mode.
2. Switch `net.Socket`s to this mode
3. Improve http to benefit from this mode.

/cc @isaacs @bnoordhuis