On Friday 24 July 2015 09:40:40 khav wrote:
> I am trying to further optimize SSL but if i enable keepalive_timeout i get
> high TTFB as shown in the report below
>
> http://tools.pingdom.com/fpt/#!/KggzF
>
> When i disable keepalive_timeout , TTFB is fixed but nginx recommand
> keepalive_timeout :
> http://nginx.org/en/docs/http/configuring_https_servers.html
>
> Why does this happen ?
[..]

In the report above SPDY protocol was used, but the keepalive_timeout
directive configures a timeout for https keepalive connections, and
has no effect with SPDY.

I believe it was just a coincidence, and big TTFB caused by something
else.

wbr, Valentin V. Bartenev

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