From: "Jérémie Dimino" <jeremie@dimino.org>
To: Jake Donham <jake@donham.org>
Cc: caml-list@yquem.inria.fr
Subject: Re: [Caml-list] scalable web apps
Date: Tue, 27 Jul 2010 08:55:32 +0200 [thread overview]
Message-ID: <20100727065531.GB17396@aurora> (raw)
In-Reply-To: <AANLkTi=S+bmNNVvxOxYLCn6WMouvove+seXykJgkDa0p@mail.gmail.com>
On Mon, Jul 26, 2010 at 12:57:55PM -0700, Jake Donham wrote:
> > BTW it is planed to add some kind of asynchronous file I/O support in
> > Lwt by using mmap and mincore.
>
> How would this work? Is it possible to be notified when the page comes
> into core (mincore appears to support only polling)? Is it possible to
> request a page without blocking (by reading from it)? Just curious.
In case a page is not cached, the time required to launch a thread is
negligible compared to the time needed to retrieve the page from the
disk, so we can for example launch a thread which will try to access the
first byte of the mmaped page.
Best,
--
Jérémie
next prev parent reply other threads:[~2010-07-27 6:55 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-24 7:49 Joel Reymont
2010-07-24 8:57 ` Sylvain Le Gall
2010-07-24 10:55 ` [Caml-list] " William Le Ferrand
2010-07-25 13:52 ` Dario Teixeira
2010-07-25 19:19 ` Joel Reymont
2010-07-26 7:29 ` Török Edwin
2010-07-26 7:59 ` Jérémie Dimino
2010-07-26 8:19 ` Török Edwin
2010-07-27 6:46 ` Jérémie Dimino
2010-07-26 11:27 ` Dario Teixeira
2010-07-26 19:57 ` Jake Donham
2010-07-26 20:02 ` Török Edwin
2010-07-27 6:55 ` Jérémie Dimino [this message]
2010-07-26 9:11 ` Sylvain Le Gall
2010-07-26 11:10 ` [Caml-list] " Dario Teixeira
2010-07-26 12:58 ` Sylvain Le Gall
2010-07-26 13:20 ` [Caml-list] " William Le Ferrand
2010-07-25 19:46 ` [Caml-list] " Richard Jones
2010-07-25 21:45 ` Dario Teixeira
2010-07-25 21:56 ` Joel Reymont
2010-07-25 22:03 ` Gabriel Kerneis
2010-07-25 22:24 ` Dario Teixeira
2010-07-26 7:34 ` Richard Jones
2010-07-26 11:20 ` Dario Teixeira
2010-07-26 16:50 ` Florent Monnier
2010-07-26 17:10 ` Sylvain Le Gall
2010-07-26 17:21 ` [Caml-list] " Gabriel Kerneis
2010-07-26 17:37 ` Sylvain Le Gall
2010-07-25 22:44 ` [Caml-list] " Yoann Padioleau
2010-07-26 9:08 ` Sylvain Le Gall
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