From: boris <alex@bpmit.com>
To: linux-btrfs@vger.kernel.org
Subject: Re: Massive BTRFS performance degradation
Date: Sun, 9 Mar 2014 17:14:23 +0000 (UTC) [thread overview]
Message-ID: <loom.20140309T180428-101@post.gmane.org> (raw)
In-Reply-To: 9889995.2gi4G0FAds@tethys
Swâmi Petaramesh <swami <at> petaramesh.org> writes:
> Actually deduplication WAS the reason why I recently made the move to BTRFS
> again, for deduplication in ZFS is working, but *SO* memory hungry and
> performance killer unless you have *lots* of RAM...
>
If you think about what dedup is has to do it's going to be fairly memory
hungry; hopefully there are a few maths (yes, it's maths not math! Think of
the game dominoe :-D ) bods on the team.
<starts to get excited about how one would tackle it then decides he needs
to get out more>
next prev parent reply other threads:[~2014-03-09 17:14 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-09 7:48 Massive BTRFS performance degradation KC
2014-03-09 8:17 ` Swâmi Petaramesh
2014-03-09 10:01 ` Martin Steigerwald
2014-03-09 10:23 ` Swâmi Petaramesh
2014-03-09 11:33 ` Hugo Mills
2014-03-09 11:54 ` Martin Steigerwald
2014-03-09 12:10 ` Swâmi Petaramesh
2014-03-09 17:14 ` boris [this message]
2014-03-14 2:11 ` discard synchronous on most SSDs? Marc MERLIN
2014-03-14 3:39 ` Chris Murphy
2014-03-14 5:17 ` Marc MERLIN
2014-03-14 7:33 ` Chris Samuel
2014-03-14 19:26 ` Marc MERLIN
2014-03-14 19:57 ` Martin K. Petersen
2014-03-14 20:46 ` Holger Hoffstätte
2014-03-15 4:21 ` Marc MERLIN
2014-03-15 9:38 ` Holger Hoffstätte
2014-03-15 5:25 ` Chris Samuel
2014-03-15 6:48 ` Chris Samuel
2014-03-15 11:26 ` Duncan
2014-03-15 22:48 ` Chris Samuel
2014-03-16 6:06 ` Marc MERLIN
2014-03-16 17:09 ` Chris Murphy
2014-03-16 16:22 ` Martin K. Petersen
2014-03-16 17:50 ` Marc MERLIN
2014-03-15 4:06 ` Chris Samuel
2014-03-16 16:07 ` Martin K. Petersen
2014-03-14 12:07 ` Duncan
2014-03-14 21:44 ` Chris Murphy
2014-03-14 7:27 ` Chris Samuel
2014-03-09 17:36 ` Massive BTRFS performance degradation Austin S Hemmelgarn
2014-03-09 18:55 ` Tobias Holst
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