From: hu.taoo@gmail.com
To: linux-btrfs <linux-btrfs@vger.kernel.org>
Subject: Re: Using SSDs for caching?
Date: Fri, 19 Jun 2009 10:36:12 +0800 [thread overview]
Message-ID: <20090619023612.GA7291@localhost> (raw)
In-Reply-To: <DD311555-2AA3-4487-998F-C232FF3690F1@karlsbakk.net>
On Thu, Jun 18, 2009 at 07:25:46PM +0200, Roy Sigurd Karlsbakk wrote:
> On 18. juni. 2009, at 17.55, Tomasz Torcz wrote:
>
> > On Thu, Jun 18, 2009 at 03:56:23PM +0200, Roy Sigurd Karlsbakk wrote:
> >> I have heard/read about systems from Sun and NetApp using SDs for
> >> caching. Sun uses different SDs for read and write caching (one being
> >> faster for reads and the other for writes). The storage solution from
> >> Sun is based on Solaris with ZFS.
> >>
> >> I know too little about filesystems design to know exactly how they
> >> do
> >> this, but can someone think of a way this could be implemented in
> >> btrfs?
> >
> > Linux already has second-level? cache layer, it called FS-Cache.
> > For now,
> > the sole user is NFS. btrfs could take advantage of FS-Cache also.
>
>
> I googled around a bit for this, but couldn't find anything useful.
> Where can I find anything about this second (or fifth) level caching?
Will this help? http://www.linux-mag.com/cache/7378/1.html
next prev parent reply other threads:[~2009-06-19 2:36 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-18 13:56 Using SDs for caching? Roy Sigurd Karlsbakk
2009-06-18 13:58 ` Using SSDs " Roy Sigurd Karlsbakk
2009-06-18 15:55 ` Tomasz Torcz
2009-06-18 17:25 ` Roy Sigurd Karlsbakk
2009-06-19 2:36 ` hu.taoo [this message]
2009-06-19 6:57 ` Sébastien Wacquiez
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