From: Anil Madhavapeddy <anil@recoil.org>
To: William Le Ferrand <William.Le-Ferrand@polytechnique.edu>
Cc: "Stéphane Glondu" <steph@glondu.net>, "caml users" <caml-list@inria.fr>
Subject: Re: [Caml-list] Storing ocaml values outside ocaml's heap
Date: Thu, 8 Dec 2011 09:04:50 +0000 [thread overview]
Message-ID: <18AE17A3-A732-4F7D-954E-58C7A1D538B4@recoil.org> (raw)
In-Reply-To: <CAGS5m-=jWf=Y=17qc3mCD4=qAT-U5bqqDoP4g4ABkiRx=6SJ8w@mail.gmail.com>
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I think Ancient is exactly what you're looking for.
Just disable swap (which you should do anyway on a big modern server), and it will let you keep in-memory, out-of-heap OCaml values that don't get scanned by the GC.
Anil
On 8 Dec 2011, at 08:19, William Le Ferrand wrote:
> hi Stephane
>
> Yes, but it's not exactly what we're looking for : we plan to access the data at a (very) high rate, so swapping/unswapping would probably kill the performance ..
>
>
> On Wed, Dec 7, 2011 at 10:04 PM, Stéphane Glondu <steph@glondu.net> wrote:
> Le 08/12/2011 05:35, William Le Ferrand a écrit :
> > We are building a cache in ocaml and we're wondering if it would make
> > sense to store ocaml values outside the reach of the gc. (gc on a 20GB
> > cache hangs the process for a second or so).
>
> Have you heard of the ancient [1] library?
>
> [1] http://git.annexia.org/?p=ocaml-ancient.git;a=summary
>
>
> Cheers,
>
> --
> Stéphane
>
>
>
>
> --
> William Le Ferrand
>
> Mobile : (+1) (415) 683-1484
> Web : http://williamleferrand.github.com/
>
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next prev parent reply other threads:[~2011-12-08 9:04 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-08 4:35 William Le Ferrand
2011-12-08 6:04 ` Stéphane Glondu
2011-12-08 8:19 ` William Le Ferrand
2011-12-08 9:04 ` Anil Madhavapeddy [this message]
2011-12-08 9:07 ` William Le Ferrand
2011-12-08 11:03 ` oliver
2011-12-08 17:02 ` Goswin von Brederlow
2011-12-08 9:40 ` Gaius Hammond
2011-12-08 8:49 ` Anders Fugmann
2011-12-08 8:56 ` William Le Ferrand
2011-12-08 9:29 ` Anders Fugmann
2011-12-08 9:12 ` Gerd Stolpmann
2011-12-08 10:33 ` Goswin von Brederlow
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