From: Jamie Lokier <jamie@shareable.org>
To: Jeff Garzik <jeff@garzik.org>
Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru>,
Sage Weil <sage@newdream.net>,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
linux-fsdevel@vger.kernel.org
Subject: Re: POHMELFS high performance network filesystem. Transactions, failover, performance.
Date: Wed, 14 May 2008 22:43:49 +0100 [thread overview]
Message-ID: <20080514214347.GD23758@shareable.org> (raw)
In-Reply-To: <482B5BB6.3040308@garzik.org>
Jeff Garzik wrote:
> Definitely. "several leaders" aka partitioning is also becoming
> increasing paired with efforts at enhancing locality of reference. Both
> Google and Amazon sort their distributed tables lexographically, which
> [ideally] results in similar data being stored near each other.
>
> A bit of an improvement over partitioning-by-hash, anyway, for some
> workloads.
As with B-trees on disks, and in-memory structures, application
knowledge of locality is very much worth passing to the storage layer.
-- Jamie
next prev parent reply other threads:[~2008-05-14 21:44 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-13 17:45 POHMELFS high performance network filesystem. Transactions, failover, performance Evgeniy Polyakov
2008-05-13 19:09 ` Jeff Garzik
2008-05-13 20:51 ` Evgeniy Polyakov
2008-05-14 0:52 ` Jamie Lokier
2008-05-14 1:16 ` Florian Wiessner
2008-05-14 8:10 ` Evgeniy Polyakov
2008-05-14 7:57 ` Evgeniy Polyakov
2008-05-14 13:35 ` Sage Weil
2008-05-14 13:52 ` Evgeniy Polyakov
2008-05-14 14:31 ` Jamie Lokier
2008-05-14 15:00 ` Evgeniy Polyakov
2008-05-14 19:08 ` Jeff Garzik
2008-05-14 19:32 ` Evgeniy Polyakov
2008-05-14 20:37 ` Jeff Garzik
2008-05-14 21:19 ` Evgeniy Polyakov
2008-05-14 21:34 ` Jeff Garzik
2008-05-14 21:32 ` Jamie Lokier
2008-05-14 21:37 ` Jeff Garzik
2008-05-14 21:43 ` Jamie Lokier [this message]
2008-05-14 22:02 ` Evgeniy Polyakov
2008-05-14 22:28 ` Jamie Lokier
2008-05-14 22:45 ` Evgeniy Polyakov
2008-05-15 1:10 ` Jamie Lokier
2008-05-15 7:34 ` Evgeniy Polyakov
2008-05-14 19:05 ` Jeff Garzik
2008-05-14 21:38 ` Jamie Lokier
2008-05-14 19:03 ` Jeff Garzik
2008-05-14 19:38 ` Evgeniy Polyakov
2008-05-14 21:57 ` Jamie Lokier
2008-05-14 22:06 ` Jeff Garzik
2008-05-14 22:41 ` Evgeniy Polyakov
2008-05-14 22:50 ` Evgeniy Polyakov
2008-05-14 22:32 ` Evgeniy Polyakov
2008-05-14 14:09 ` Jamie Lokier
2008-05-14 16:09 ` Sage Weil
2008-05-14 19:11 ` Jeff Garzik
2008-05-14 21:19 ` Jamie Lokier
2008-05-14 18:24 ` Jeff Garzik
2008-05-14 20:00 ` Sage Weil
2008-05-14 21:49 ` Jeff Garzik
2008-05-14 22:26 ` Sage Weil
2008-05-14 22:35 ` Jamie Lokier
2008-05-14 6:33 ` Andrew Morton
2008-05-14 7:40 ` Evgeniy Polyakov
2008-05-14 8:01 ` Andrew Morton
2008-05-14 8:31 ` Evgeniy Polyakov
2008-05-14 8:08 ` Evgeniy Polyakov
2008-05-14 13:41 ` Sage Weil
2008-05-14 13:56 ` Evgeniy Polyakov
2008-05-14 17:56 ` Andrew Morton
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