Tornado 2.1.1 新特性¶

Fixed handling of closed connections with the epoll (i.e. Linux)IOLoop. Previously, closed connections could be shut down too early,which most often manifested as “Stream is closed” exceptions inSimpleAsyncHTTPClient.
Fixed a case in which chunked responses could be closed prematurely,leading to truncated output.
IOStream.read_bytes again accepts both int and long arguments.
PeriodicCallback no longer runs repeatedly when IOLoop iterationscomplete faster than the resolution of time.time() (mainly a problemon Windows).

Tornado 2.1.1 新特性