From: Pieter De Wit <pieter@insync.za.net>
To: lilofile <lilofile@aliyun.com>
Cc: linux-raid <linux-raid@vger.kernel.org>
Subject: Re: two raid5 performance
Date: Mon, 16 Dec 2013 20:52:58 +1300 [thread overview]
Message-ID: <52AEB15A.3050301@insync.za.net> (raw)
In-Reply-To: <386c52f5-dd36-4697-b76a-d24038bbded3@aliyun.com>
On 16/12/2013 14:07, lilofile wrote:
> when I Create a raid5,dd 1M block size,the performance can reached to 1GB/s
> when I create another raid5,dd 1M block size ,the performance can reached to 1GB/s
> when I simultaneously dd the two different raid,the total performance only reached to 1.4GB/s,why can not reached to 2GB/s.
>
> the memory is 32GB,CPU is x5660,the stripe size is 4096
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What is the disks involved in the array ? How are they connected ?
next prev parent reply other threads:[~2013-12-16 7:52 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-16 1:07 two raid5 performance lilofile
2013-12-16 7:52 ` Pieter De Wit [this message]
2013-12-16 7:57 ` 答复：two " lilofile
2013-12-16 12:29 ` 答复：答复：two " lilofile
2013-12-16 12:45 ` Tommy Apel
2013-12-16 12:57 ` 答复：答复：答复：two " lilofile
2013-12-16 13:08 ` Tommy Apel
2013-12-16 13:06 ` 答复：two " Dag Nygren
2013-12-16 13:32 ` Tommy Apel
2013-12-16 13:55 ` 答复：答复：two " lilofile
2013-12-16 14:02 ` Tommy Apel
2013-12-16 14:21 ` 答复：答复：答复：two " lilofile
2013-12-16 13:13 ` 答复：答复：two " lilofile
2013-12-16 16:32 ` Jiang, Dave
2013-12-17 4:37 ` Stan Hoeppner
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