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Date: Wed, 14 Aug 2013 10:17:52 -0700
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Subject: Re: Erlang vs JavaScript
From: Stanley Iriele <siriele2x3@gmail.com>
To: user@couchdb.apache.org
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Oh wow...that is pretty snazzy....this is a bit of a dumb question but can
everything in a design doc be written in Erlang?..like list
functions..shows..etc?
On Aug 14, 2013 10:05 AM, "Robert Newson" <rnewson@apache.org> wrote:

> Erlang is faster and more feature rich. One thing you can do in an
> erlang view that you can't do in javascript is
> file:delete(AnyPathYourServerCanAccess), which is why we disable it by
> default. :)
>
> Building a view is inherently serial regardless of the language
> evaluating each update.
>
> B.
>
>
> On 14 August 2013 18:02, Alexander Shorin <kxepal@gmail.com> wrote:
> > Erlang server bypassed stdio interface communication and addtional
> > JSON decode/encode roundtrip, so it is faster than JS at some point.
> > Also, having Erlang with SMP feature enabled may also improve his
> > performance if you have multicore server.
> >
> > How much? No numbers I have, just an experience background. You can
> > measure it with you functions and data and share with us (:
> >
> > --
> > ,,,^..^,,,
> >
> >
> > On Wed, Aug 14, 2013 at 8:54 PM, Stanley Iriele <siriele2x3@gmail.com>
> wrote:
> >> I'm curious... What exactly is the performance gain from writing
> >> views/shows/ etc in Erlang vs JavaScript... From what I've seen the
> >> JavaScript view server is sufficiently fast and feature complete.
> >>
> >> So my question is this.... Is the Erlang view server that much
> faster?...
> >> Is there another gain that I'm missing?..and is it as feature complete
> as
> >> the JavaScript equivalent?
> >>
> >> Regards,
> >>
> >> Stanley
>

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