On 6/30/2016 9:11 AM, Daniel Stenberg wrote:
> Since we once again got hit by the TCP_NODELAY causing a weirdo
> performance behavior, I move to making it enabled by default. As the
> attached patch shows.
>
> Mentioned here to allow you to protest, agree or discuss bikeshed colors.
>
> If no objections show up, I'll merge tomorrow.

It seems possible you could actually hurt performance in some cases and
end up doing the opposite of what you intended. My understanding of this
is we're essentially overriding the operating system's ability to
combine packets for efficiency. Maybe there are some specific scenarios
where all users could get provably better performance using NODELAY but
using it for everything seems too far. Can you make a better case for
this? I haven't seen enough to back this up so for now I vote -1.

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Received on 2016-07-01