From: Learner Study <learner.study@gmail.com>
To: Keld Simonsen <keld@keldix.com>
Cc: linux-raid@vger.kernel.org, keld@dkuug.dk, learner.study@gmail.com
Subject: Re: Linux Raid performance
Date: Thu, 1 Apr 2010 20:07:25 -0700 [thread overview]
Message-ID: <g2s7efa8a7d1004012007ibe8b42b6k28a6d2a531fb6103@mail.gmail.com> (raw)
In-Reply-To: <20100331201539.GA19395@rap.rap.dk>
Hi Keld:
Do we have raid5/6 numbers for linux on any multi-core CPU? Most of
the benchmarks I have seen on wiki show raid5 perf to be ~150MB/s with
single core CPUs. How does that scale with multiple cores? Something
like intel's jasper forest???
If available, can u pls point me to numbers with multi-core CPU?
Thanks!
On Wed, Mar 31, 2010 at 1:15 PM, Keld Simonsen <keld@keldix.com> wrote:
> On Wed, Mar 31, 2010 at 12:42:57PM -0700, Learner Study wrote:
>> Hi Linux Raid Experts:
>>
>> I was looking at following wiki on raid perf on linux:
>>
>> https://raid.wiki.kernel.org/index.php/Performance
>>
>> and notice that the performance numbers are with 2.6.12 kernel.
>>
>> Do we perf numbers for:
>> - latest kernel (something like 2.6.27 / 2.6.31)
>> - raid 5 and 6
>>
>> Can someone please point me to appropriate link?
>
> The link mentioned above has a number of other performance reports, for other levels of the kernel.
> Anyway you should be able to get comparable results for newer kernels, the kernel has not become
> slower since 2.6.12 on RAID.
>
> best regards
> Keld
>
next prev parent reply other threads:[~2010-04-02 3:07 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-31 19:42 Linux Raid performance Learner Study
2010-03-31 20:15 ` Keld Simonsen
2010-04-02 3:07 ` Learner Study [this message]
2010-04-02 9:58 ` Nicolae Mihalache
2010-04-02 17:58 ` Learner Study
2010-04-02 11:05 ` Keld Simonsen
2010-04-02 11:18 ` Keld Simonsen
2010-04-02 17:55 ` Learner Study
2010-04-02 21:14 ` Keld Simonsen
2010-04-02 21:37 ` Learner Study
2010-04-03 11:20 ` Keld Simonsen
2010-04-03 15:56 ` Learner Study
2010-04-04 1:58 ` Keld Simonsen
2010-04-03 0:10 ` Learner Study
2010-04-03 0:39 ` Mark Knecht
2010-04-03 1:00 ` John Robinson
2010-04-03 1:14 ` Richard Scobie
2010-04-03 1:32 ` Mark Knecht
2010-04-03 1:37 ` Richard Scobie
2010-04-03 3:06 ` Learner Study
2010-04-03 3:00 ` Learner Study
2010-04-03 19:27 ` Richard Scobie
2010-04-03 18:14 ` MRK
2010-04-03 19:56 ` Richard Scobie
2010-04-04 15:00 ` MRK
2010-04-04 18:26 ` Learner Study
2010-04-04 18:46 ` Mark Knecht
2010-04-04 21:28 ` Jools Wills
2010-04-04 22:38 ` Mark Knecht
2010-04-05 10:07 ` Learner Study
2010-04-05 16:35 ` John Robinson
2010-04-04 22:24 ` Guy Watkins
2010-04-05 13:49 ` Drew
2010-04-04 23:24 ` Richard Scobie
2010-04-05 11:20 ` MRK
2010-04-05 19:49 ` Richard Scobie
2010-04-05 21:03 ` Drew
2010-04-05 22:20 ` Richard Scobie
2010-04-05 23:49 ` Roger Heflin
2010-04-14 20:50 ` Bill Davidsen
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