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Home » Mailing list archives » linux-kernel » 2008 » April » 24

Re: [RFC][PATCH 0/3] Skip I/O merges when disabled

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From: Alan D. Brunelle <Alan.Brunelle@...>
To: Alan D. Brunelle <Alan.Brunelle@...>
Cc: <linux-kernel@...>, Jens Axboe <jens.axboe@...>
Subject: Re: [RFC][PATCH 0/3] Skip I/O merges when disabled
Date: Thursday, April 24, 2008 - 9:43 am

Alan D. Brunelle wrote:


Wrong chart, sorry:

Kernel                NM  I/Os per second
--------------------  --  ---------------
2.6.25 (not patched)               472.39
2.6.25 + nomerges      0           472.54
2.6.25 + nomerges      1           472.58

(Don't think a little 2-way box w/ 4 SATA drives can really approach
500K I/Os per second...)

Alan
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Messages in current thread:
[RFC][PATCH 0/3] Skip I/O merges when disabled, Alan D. Brunelle, (Wed Apr 23, 3:08 pm)
Re: [RFC][PATCH 0/3] Skip I/O merges when disabled, Alan D. Brunelle, (Thu Apr 24, 9:31 am)
Re: [RFC][PATCH 0/3] Skip I/O merges when disabled, Alan D. Brunelle, (Thu Apr 24, 9:43 am)
Re: [RFC][PATCH 0/3] Skip I/O merges when disabled, Andi Kleen, (Thu Apr 24, 9:29 am)
Re: [RFC][PATCH 0/3] Skip I/O merges when disabled, Jens Axboe, (Thu Apr 24, 9:59 am)
Re: [RFC][PATCH 0/3] Skip I/O merges when disabled, Andi Kleen, (Thu Apr 24, 10:15 am)
Re: [RFC][PATCH 0/3] Skip I/O merges when disabled, Jens Axboe, (Thu Apr 24, 11:04 am)
Re: [RFC][PATCH 0/3] Skip I/O merges when disabled, David Collier-Brown, (Thu Apr 24, 11:53 am)
Re: [RFC][PATCH 0/3] Skip I/O merges when disabled, Alan D. Brunelle, (Thu Apr 24, 12:29 pm)
Re: [RFC][PATCH 0/3] Skip I/O merges when disabled, Alan D. Brunelle, (Thu Apr 24, 10:13 am)
Re: [RFC][PATCH 0/3] Skip I/O merges when disabled, Andi Kleen, (Fri Apr 25, 3:13 am)
Re: [RFC][PATCH 0/3] Skip I/O merges when disabled, Carl Henrik Lunde, (Thu Apr 24, 6:04 pm)
Re: [RFC][PATCH 0/3] Skip I/O merges when disabled, Jens Axboe, (Thu Apr 24, 11:05 am)
Re: [RFC][PATCH 0/3] Skip I/O merges when disabled, Jens Axboe, (Thu Apr 24, 3:09 am)
Re: [RFC][PATCH 0/3] Skip I/O merges when disabled, Alan D. Brunelle, (Thu Apr 24, 4:38 pm)
Re: [RFC][PATCH 0/3] Skip I/O merges when disabled, Alan D. Brunelle, (Thu Apr 24, 8:09 am)
Re: [RFC][PATCH 0/3] Skip I/O merges when disabled, Jens Axboe, (Fri Apr 25, 4:38 am)
Re: [RFC][PATCH 0/3] Skip I/O merges when disabled, Alan D. Brunelle, (Fri Apr 25, 7:17 am)
Re: [RFC][PATCH 0/3] Skip I/O merges when disabled, Alan D. Brunelle, (Fri Apr 25, 8:17 am)
Re: [RFC][PATCH 0/3] Skip I/O merges when disabled, Alan D. Brunelle, (Mon Apr 28, 12:36 pm)
Re: [RFC][PATCH 0/3] Skip I/O merges when disabled, Jens Axboe, (Tue Apr 29, 3:37 am)
Re: [RFC][PATCH 0/3] Skip I/O merges when disabled, Jens Axboe, (Fri Apr 25, 7:25 am)
Re: [RFC][PATCH 0/3] Skip I/O merges when disabled, Aaron Carroll, (Fri Apr 25, 8:06 am)
Re: [RFC][PATCH 0/3] Skip I/O merges when disabled, Jens Axboe, (Fri Apr 25, 8:14 am)
[RFC][PATCH 3/3] Do not use rqhash when merges disabled, Alan D. Brunelle, (Wed Apr 23, 3:15 pm)
Re: [RFC][PATCH 3/3] Do not use rqhash when merges disabled, Aaron Carroll, (Wed Apr 23, 8:37 pm)
Re: [RFC][PATCH 3/3] Do not use rqhash when merges disabled, Alan D. Brunelle, (Wed Apr 23, 8:59 pm)
Re: [RFC][PATCH 3/3] Do not use rqhash when merges disabled, Aaron Carroll, (Wed Apr 23, 10:07 pm)
[RFC][PATCH 2/3] Have __make_request skip merges when disabled, Alan D. Brunelle, (Wed Apr 23, 3:14 pm)
Re: [RFC][PATCH 1/3] Add flag and sysfs interfaces, Alan D. Brunelle, (Wed Apr 23, 3:12 pm)

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