Awesome, thanks for putting this together! On Tue, May 5, 2015 at 6:39 AM, chen <gzche...@126.com> wrote:
> There are 3 conditions, if true at the same time, may trigger SSL_write to > send small record over the link, hard coded 1400 bytes at this time to keep > it fit into MTU size. We just send out 3 of this small record at most to > reduce framing overhead when serving large object, that is enough for > browser to discovery other dependency of the page at top of html file. If > the buffer chain is smaller than 4096 bytes, it will not justify the > overhead of sending small record. After idle for 60s(hard coded at this > moment), start all over again. > A few followup notes and questions... 1) "small record" size should be closer to 1300 bytes to account for various overhead, see [1]. 2) any way to guarantee that packets are flushed at record boundaries? 3) why just 3 packets? I'd suggest emitting the first CWND's worth.. aka, 10. ig [1] https://issues.apache.org/jira/browse/TS-2503 On Tue, May 12, 2015 at 7:52 AM, Ilya Grigorik <i...@igvita.com> wrote: > Awesome, thanks for putting this together! > > On Tue, May 5, 2015 at 6:39 AM, chen <gzche...@126.com> wrote: > >> There are 3 conditions, if true at the same time, may trigger SSL_write >> to send small record over the link, hard coded 1400 bytes at this time to >> keep it fit into MTU size. We just send out 3 of this small record at most >> to reduce framing overhead when serving large object, that is enough for >> browser to discovery other dependency of the page at top of html file. If >> the buffer chain is smaller than 4096 bytes, it will not justify the >> overhead of sending small record. After idle for 60s(hard coded at this >> moment), start all over again. >> > > A few followup notes and questions... > > 1) "small record" size should be closer to 1300 bytes to account for > various overhead, see [1]. > 2) any way to guarantee that packets are flushed at record boundaries? > 3) why just 3 packets? I'd suggest emitting the first CWND's worth.. aka, > 10. > > ig > > [1] https://issues.apache.org/jira/browse/TS-2503 >
_______________________________________________ nginx-devel mailing list nginx-devel@nginx.org http://mailman.nginx.org/mailman/listinfo/nginx-devel
