From: Mathieu Chouquet-Stringer <mchouque@free.fr>
To: Freek.Dijkstra@sara.nl (Freek Dijkstra)
Cc: linux-btrfs@vger.kernel.org
Subject: Re: Poor read performance on high-end server
Date: 05 Aug 2010 18:21:30 +0200 [thread overview]
Message-ID: <m339ut114l.fsf@mobydick.mine.nu> (raw)
In-Reply-To: <4C5AC52D.9030906@sara.nl>
Hello,
Freek.Dijkstra@sara.nl (Freek Dijkstra) writes:
> [...]
>
> Here are the exact settings:
> ~# mkfs.btrfs -d raid0 /dev/sdd /dev/sde /dev/sdf /dev/sdg \
> /dev/sdh /dev/sdi /dev/sdj /dev/sdk /dev/sdl /dev/sdm \
> /dev/sdn /dev/sdo /dev/sdp /dev/sdq /dev/sdr /dev/sds
> nodesize 4096 leafsize 4096 sectorsize 4096 size 2.33TB
> Btrfs Btrfs v0.19
Don't you need to stripe metadata too (with -m raid0)? Or you may
be limited by your metadata drive?
--
Mathieu Chouquet-Stringer mchouque@free.fr
The sun itself sees not till heaven clears.
-- William Shakespeare --
prev parent reply other threads:[~2010-08-05 16:21 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-05 14:05 Poor read performance on high-end server Freek Dijkstra
2010-08-05 14:51 ` Chris Mason
2010-08-05 21:21 ` Freek Dijkstra
2010-08-05 22:13 ` Daniel J Blueman
2010-08-06 11:41 ` Chris Mason
2010-08-06 11:55 ` Jens Axboe
2010-08-06 11:59 ` Chris Mason
2010-08-20 4:53 ` Sander
2010-08-20 14:37 ` Chris Mason
2010-08-08 7:18 ` Andi Kleen
2010-08-08 11:04 ` Jens Axboe
2010-08-09 14:45 ` Freek Dijkstra
2010-08-10 0:55 ` Chris Mason
2010-08-05 14:54 ` Daniel J Blueman
2010-08-05 16:21 ` Mathieu Chouquet-Stringer [this message]
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