alibaba/tengine — pull request #420 by chobits (2014-03-12 10:49:09+00:00)
Title: SPDY: send output queue after processing of read event.

Some users reported that their spdy client could not receive the reply of PING frame in time.
Note that this problem has also been fixed in official nginx.
More details are available here: http://hg.nginx.org/nginx/rev/a336cbc3dd44.