From: Alexey Kopytov <alexeyk@mysql.com>
To: Ram Pai <linuxram@us.ibm.com>
Cc: Andrew Morton <akpm@osdl.org>,
nickpiggin@yahoo.com.au, peter@mysql.com,
linux-kernel@vger.kernel.org, axboe@suse.de
Subject: Re: Random file I/O regressions in 2.6 [patch+results]
Date: Fri, 21 May 2004 23:32:32 +0400 [thread overview]
Message-ID: <200405212332.32522.alexeyk@mysql.com> (raw)
In-Reply-To: <1085016663.2941.10.camel@dyn319009bld.beaverton.ibm.com>
On Thursday 20 May 2004 05:31, Ram Pai wrote:
>On Wed, 2004-05-19 18:06, Alexey Kopytov wrote:
>> Ram, can you clarify the status of this patch please?
>>
>> I ran the same sysbench test on my hardware with patched 2.6.6 and got
>> 122.2348s execution time, i.e. almost the same results as in the original
>> tests. Is this patch an intermediate step to improve the sysbench workload
>> on 2.6, or it just addresses another problem?
>
>this patch by itself does not address your problem. Your problem is
>better addressed by Andrew's 'readahead-private' patch.
>
>However; this patch applied on top of Andrew's 'readahead-private' patch
>may get you some extra performance.
>
>Can you confirm this please?
Yes.
2.6.6-rc3 + Andrew's patch:
Time spent for test: 86.5459s
2.6.6-bk:
Time spent for test: 83.1929s
Thanks for clarifying!
--
Alexey Kopytov, Software Developer
MySQL AB, www.mysql.com
Are you MySQL certified? www.mysql.com/certification
next prev parent reply other threads:[~2004-05-21 19:32 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-02 19:57 Random file I/O regressions in 2.6 Alexey Kopytov
2004-05-03 11:14 ` Nick Piggin
2004-05-03 18:08 ` Andrew Morton
2004-05-03 20:22 ` Ram Pai
2004-05-03 20:57 ` Andrew Morton
2004-05-03 21:37 ` Peter Zaitsev
2004-05-03 21:50 ` Ram Pai
2004-05-03 22:01 ` Peter Zaitsev
2004-05-03 21:59 ` Andrew Morton
2004-05-03 22:07 ` Ram Pai
2004-05-03 23:58 ` Nick Piggin
2004-05-04 0:10 ` Andrew Morton
2004-05-04 0:19 ` Nick Piggin
2004-05-04 0:50 ` Ram Pai
2004-05-04 6:29 ` Andrew Morton
2004-05-04 15:03 ` Ram Pai
2004-05-04 19:39 ` Ram Pai
2004-05-04 19:48 ` Andrew Morton
2004-05-04 19:58 ` Ram Pai
2004-05-04 21:51 ` Ram Pai
2004-05-04 22:29 ` Ram Pai
2004-05-04 23:01 ` Alexey Kopytov
2004-05-04 23:20 ` Andrew Morton
2004-05-05 22:04 ` Alexey Kopytov
2004-05-06 8:43 ` Andrew Morton
2004-05-06 18:13 ` Peter Zaitsev
2004-05-06 21:49 ` Andrew Morton
2004-05-06 23:49 ` Nick Piggin
2004-05-07 1:29 ` Peter Zaitsev
2004-05-10 19:50 ` Ram Pai
2004-05-10 20:21 ` Andrew Morton
2004-05-10 22:39 ` Ram Pai
2004-05-10 23:07 ` Andrew Morton
2004-05-11 20:51 ` Ram Pai
2004-05-11 21:17 ` Andrew Morton
2004-05-13 20:41 ` Ram Pai
2004-05-17 17:30 ` Random file I/O regressions in 2.6 [patch+results] Ram Pai
2004-05-20 1:06 ` Alexey Kopytov
2004-05-20 1:31 ` Ram Pai
2004-05-21 19:32 ` Alexey Kopytov [this message]
2004-05-20 5:49 ` Andrew Morton
2004-05-20 21:59 ` Andrew Morton
2004-05-20 22:23 ` Andrew Morton
2004-05-21 7:31 ` Nick Piggin
2004-05-21 7:50 ` Jens Axboe
2004-05-21 8:40 ` Nick Piggin
2004-05-21 8:56 ` Spam: " Andrew Morton
2004-05-21 22:24 ` Alexey Kopytov
2004-05-21 21:13 ` Alexey Kopytov
2004-05-26 4:43 ` Alexey Kopytov
2004-05-11 22:26 ` Random file I/O regressions in 2.6 Bill Davidsen
2004-05-04 1:15 ` Andrew Morton
2004-05-04 11:39 ` Nick Piggin
2004-05-04 8:27 ` Arjan van de Ven
2004-05-04 8:47 ` Andrew Morton
2004-05-04 8:50 ` Arjan van de Ven
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