[erlang-questions] Erlang to Python

Michael Turner <>
Sat Aug 6 19:12:39 CEST 2011


Part of their problem might have been architectural:

"In Erlang, the right way to do this is to spawn off a separate set of
actors to manage each data structure and message pass with them to
save and retrieve data. Our code was not set up this way at all, and
it was clearly crippled by being haphazardly implemented in a
functional style."

I'd suggest a friendly request to mixpanel to open-source their
now-disused Erlang code - it might be instructive both about how their
code could have been better and about how Erlang might need to
improve.

I wonder ... what seems to be the performance problem of serializing
to JSON might actually be a latency problem - if the managing process
for some data wakes up every now and then, with medium-to-low
priority, and re-serializes if necessary, to be ready to respond to
such requests, it might make all the difference in the world. OK, it
might make *some* of the difference in the world.

-michael turner



On Sun, Aug 7, 2011 at 1:55 AM, Robert Virding
<> wrote:
> Saw this on reddit. Any comments?
>
> http://code.mixpanel.com/2011/08/05/how-and-why-we-switched-from-erlang-to-python/
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