Re: [Caml-list] Master-slave architecture behind an ocsigen server.

[Francois Berenger <berenger@riken.jp>]

On 03/27/2013 06:01 AM, Martin Jambon wrote:
> On 03/26/2013 07:29 AM, Philippe Veber wrote:
>> Dear all,
>>
>> I'm developping an ocsigen website doing some scientific calculations.
>> Up to now, the calculations were done in the same process that runs the
>> server. In order to gain in scalability (and maybe stability too), I
>> would like to run those calculations in a separate (pool of)
>> process(es). As this is a pretty typical setup, I guess quite a few
>> people have already done that. So I'd like to hear some suggestions on
>> what library to use in this particular context. It seems to me that the
>> release library [1] should do the job and is lwt-friendly, but there are
>> maybe other good options?
>
> I wrote and used a library called Nproc about a year ago.

Not in OPAM. :(

 > It lets you
> create (Nproc.create) a pool of N processes, to which you can submit
> (Nproc.submit) computations of any type quasi-magically - just make sure
> any big environment required for the computation is not copied with each
> closure that you send to the workers. The submodule Nproc.Full provides
> a more advanced interface that lets each worker process have its own
> local environment.
>
>    https://github.com/MyLifeLabs/nproc
>
> I haven't used Nproc in a while but it was working fine and should still
> work.
>
>
> Martin
>
>