openstack team mailing list archive

[Devin Carlen <devin.carlen@xxxxxxxxx>]

It's been discussed a fair amount already, but I think this is a good list of pros for erlang:

- less code to do the same thing (dramatically less in a lot of cases)

- more robust development environment (far fewer sharp edges in erlang compared to c++)

- this is exactly the type of project where erlang shines

- lends itself towards more hands in the source code pie since there are fewer correct ways to do things in erlang


Both are good choices but erlang has gained a ton of momentum in recent years for the reasons listed above.


Personally I'd love to see us choose erlang for this project.  I think it's a great fit.



- Devin



On Feb 21, 2011, at 10:51 PM, Eric Day wrote:

> While Erlang is a dependency most folks usually don't have installed
> by default, it is a fairly simple and predictable dependency. All
> major distros have it, and if they don't or are too outdated, the
> packages from the Erlang website are straightforward to install.
> 
> Any dependency (C/C++ compilers, autotools, Erlang) will always have
> its quirks, but I think either choice would be fine in the long run.
> 
> The advantages for choosing Erlang right now are speed of development,
> code safety, and trivial multi-core/machine use. The advantages for
> C++ are runtime efficiency and familiarity. I'm pretty split and don't
> think there is an incorrect choice here, but it feels like more folks
> are leaning towards C++.
> 
> -Eric
> 
> On Mon, Feb 21, 2011 at 02:47:21PM -0600, John Purrier wrote:
>> I agree with this. Unless there are significant, obvious advantages to
>> Erlang I would suggest we stick with C/C++.
>> 
>> John
>> 
>> -----Original Message-----
>> From: openstack-bounces+john=openstack.org@xxxxxxxxxxxxxxxxxxx
>> [mailto:openstack-bounces+john=openstack.org@xxxxxxxxxxxxxxxxxxx] On Behalf
>> Of Tim Bell
>> Sent: Monday, February 21, 2011 2:08 PM
>> To: Eric Day; openstack@xxxxxxxxxxxxxxxxxxx
>> Subject: Re: [Openstack] Queue Service, next steps
>> 
>> 
>> Please bear in mind the long term maintainability of the openstack package.
>> One of the attractive features at the moment is that there are not
>> significant pre-reqs to set up the environment and most mass market
>> environments can support it.
>> 
>> Using C++ would not significantly change this situation, whereas using
>> Erlang may create some more difficulty further down the line.  Anything that
>> makes porting/rebuilding more difficult needs to be carefully thought
>> through.
>> 
>> Tim Bell
>> CERN
>> 
>> 
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