[Twisted-Python] Twisted server is 5 times SLOWER on Solaris than Linux?

Jarrod Roberson jarrod at vertigrated.com
Wed Jan 17 15:55:34 MST 2007

On 1/17/07, Jean-Paul Calderone <exarkun at divmod.com> wrote:
> I don't have any specific experience with Twisted on Sparc hardware, but
> one thing I'll point out is that Twisted is single threaded.  Whether
> there
> are 4 cores or 8 probably won't make any noticable difference to a Twisted
> application's performance.
> It looks like a single core on a T1000 is much less powerful than a single
> core in a Dell 2850, so this might account for some of the difference.
> Jean-Paul

This is the conclusion we are coming to as well.
We found a Dual Dual Core Opteron box with Solaris 10 x86 on it.
The Opteron box was even faster than the Dual P4 box.
So we have pretty much ruled out Solaris as the problem, everything points
to sucky performance of the Sparc hardware.
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