[erlang-questions] werl.exe slow

Robert Raschke <>
Fri Apr 24 14:52:58 CEST 2009


On Fri, Apr 24, 2009 at 1:34 PM, Vlad Dumitrescu <> wrote:
> On Fri, Apr 24, 2009 at 09:22, Raimo Niskanen
> <> wrote:
>> On Thu, Apr 23, 2009 at 11:35:19AM +0200, Gamoto wrote:
>>> When I start werl.exe on windows 2003 server, the time before to have the ">" is around 10 seconds !
>>> Why is it so slow ? normal ? solutions for enhancement ?
>>
>> That is ususally the symptom of some network configuration
>> problem. Things like this has happened in the past
>> when werl.exe could not look up its own hostname
>> and waited for a DNS timeout.
>
> >From a separate message from John, this delay happens even when simply
> starting "erl.exe", not distributed. There should not be any DNS
> lookup in that case?
> On the other hand, starting even "erl -name " takes much
> longer than the case above.
>
> For me it works just fine, so it's probably a configuration issue.
>
> regards,
> Vlad

You could have a look in C:\WINDOWS\system32\drivers\etc\hosts (or
wherever W2003 expects it) to see if localhost is there.

If not, try adding a line like

127.0.0.1       localhost

Might speed things up in some cases.

Robby



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