From: Manish Katiyar Subject: Re: ext5 Date: Thu, 11 Feb 2010 09:08:36 +0530 Message-ID: References: <20100210215028.GD739@thunk.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: "Anonymous Remailer (austria)" , linux-ext4@vger.kernel.org To: tytso@mit.edu Return-path: Received: from mail-iw0-f185.google.com ([209.85.223.185]:39958 "EHLO mail-iw0-f185.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752327Ab0BKDi5 convert rfc822-to-8bit (ORCPT ); Wed, 10 Feb 2010 22:38:57 -0500 Received: by iwn15 with SMTP id 15so874863iwn.19 for ; Wed, 10 Feb 2010 19:38:56 -0800 (PST) In-Reply-To: <20100210215028.GD739@thunk.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Thu, Feb 11, 2010 at 3:20 AM, wrote: > On Wed, Feb 10, 2010 at 12:40:05AM +0100, Anonymous Remailer (austria= ) wrote: >> >> will there be ext5? ext4 works just fine so far. but it could be >> even more faster. otherwise i have to jump to btrfs (when it's >> done). > > We currently don't have any plans for an "ext5". =A0There might be so= me > new features that might gradually trickle into ext4; for example > there's someone who I may be mentoring who is interested in working o= n > an idea I've had to add read-only compression to ext4. =A0(Actually, = the > design I've sketched out makes 90% of the work be file system > independent, Hi Ted, Is this design somewhere on net so that we can read/lookup it up ? Thanks - Manish > so it's something that could be retrofitted into other > filesystems: xfs, btrfs, etc.) > > The benchmarks I've seen don't show that btrfs is that much faster; > for some workloads its faster, for others its slower. =A0Of course, > there may be some file system tuning that still remains to be done, > both for btrfs and ext4, that may change the performance numbers > slightly. > > The main reason why I suspect people will be interested in btrfs is t= o > because of some of its features (i.e., file system level snapshots, > data level checksums, etc.) that are unlikely to show up in ext4. =A0= I > also suspect that btrfs will take a while to mature, as all file > systems do. =A0ZFS for example took good five years to development, a= nd > perhaps another 3-4 before people started really trusting it for > critical production uses. > > Regards, > > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0= =A0 =A0 =A0 =A0 =A0 =A0- Ted > -- > To unsubscribe from this list: send the line "unsubscribe linux-ext4"= in > the body of a message to majordomo@vger.kernel.org > More majordomo info at =A0http://vger.kernel.org/majordomo-info.html > --=20 Thanks - Manish =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D [$\*.^ -- I miss being one of them =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html