linux-lvm.redhat.com archive mirror
 help / color / mirror / Atom feed
From: Mark Ruijter <mruijter@gmail.com>
To: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] Data deduplication for Linux : lessfs
Date: Wed, 24 Jun 2009 22:12:38 +0200	[thread overview]
Message-ID: <4A4288B6.6060904@gmail.com> (raw)
In-Reply-To: <4A4286E1.9080004@gmail.com>


> Block level deduplication isn't going to know/care about the
> difference between file contents and metadata.  It is either stored in
> blocks that match other blocks or not and the difference should not be
> visible to the filesystem living on top of the block device.
>
Exactly. And this is why lessfs can easily write files with speeds up to
200MB~300MB/sec on modern hardware.

Mark.

      parent reply	other threads:[~2009-06-24 20:14 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-24 15:12 [linux-lvm] Data deduplication for Linux : lessfs Mark Ruijter
2009-06-24 18:50 ` Roy Sigurd Karlsbakk
2009-06-24 19:25   ` Mark Ruijter
2009-06-24 19:43     ` Roy Sigurd Karlsbakk
2009-06-24 19:32   ` Greg Freemyer
2009-06-24 20:04   ` Les Mikesell
2009-06-24 20:09     ` Roy Sigurd Karlsbakk
2009-06-24 20:59       ` Les Mikesell
2009-06-24 21:03         ` malahal
2009-06-24 21:21           ` Les Mikesell
2009-06-24 20:12     ` Mark Ruijter [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4A4288B6.6060904@gmail.com \
    --to=mruijter@gmail.com \
    --cc=linux-lvm@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).