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Re: Slow file transfer speeds with CFQ IO scheduler in some cases

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From: Vitaly V. Bursov <vitalyb@...>
To: Alexey Dobriyan <adobriyan@...>
Cc: <linux-kernel@...>, <devel@...>
Subject: Re: Slow file transfer speeds with CFQ IO scheduler in some cases
Date: Sunday, November 9, 2008 - 2:32 pm

Alexey Dobriyan wrote:

That's why I've checked vanilla kernel also. It performs somewhat better,
but definitely shares same issues...

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Messages in current thread:
Slow file transfer speeds with CFQ IO scheduler in some cases, Vitaly V. Bursov, (Sun Nov 9, 2:04 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jens Axboe, (Mon Nov 10, 6:44 am)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jeff Moyer, (Mon Nov 10, 9:51 am)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jens Axboe, (Mon Nov 10, 9:56 am)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jeff Moyer, (Wed Nov 12, 2:32 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Vitaly V. Bursov, (Thu Nov 13, 2:54 am)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jeff Moyer, (Thu Nov 13, 10:32 am)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Vitaly V. Bursov, (Thu Nov 13, 2:33 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jens Axboe, (Wed Nov 12, 3:02 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jeff Moyer, (Mon Nov 24, 11:33 am)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jens Axboe, (Mon Nov 24, 2:13 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jeff Moyer, (Mon Nov 24, 2:50 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jens Axboe, (Mon Nov 24, 2:51 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Wu Fengguang, (Thu Nov 13, 4:51 am)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Vladislav Bolkhovitin, (Tue Nov 25, 6:59 am)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Wu Fengguang, (Tue Nov 25, 7:30 am)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Vladislav Bolkhovitin, (Tue Nov 25, 7:41 am)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Wu Fengguang, (Tue Nov 25, 7:49 am)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Vladislav Bolkhovitin, (Tue Nov 25, 8:03 am)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Vladislav Bolkhovitin, (Tue Nov 25, 8:09 am)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Wu Fengguang, (Tue Nov 25, 8:15 am)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Vladislav Bolkhovitin, (Thu Nov 27, 1:46 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Wu Fengguang, (Thu Nov 27, 8:48 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Vitaly V. Bursov, (Thu Nov 13, 2:46 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jens Axboe, (Thu Nov 13, 4:54 am)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Wu Fengguang, (Thu Nov 13, 9:36 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Vladislav Bolkhovitin, (Tue Nov 25, 7:02 am)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jeff Moyer, (Tue Nov 25, 11:21 am)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Vladislav Bolkhovitin, (Tue Nov 25, 12:17 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Wu Fengguang, (Tue Nov 25, 7:25 am)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Vitaly V. Bursov, (Mon Nov 10, 1:16 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jens Axboe, (Mon Nov 10, 1:35 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Vitaly V. Bursov, (Mon Nov 10, 2:27 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jeff Moyer, (Mon Nov 10, 5:51 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jens Axboe, (Tue Nov 11, 5:34 am)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jens Axboe, (Tue Nov 11, 5:35 am)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jens Axboe, (Tue Nov 11, 7:52 am)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Vitaly V. Bursov, (Tue Nov 11, 12:53 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jens Axboe, (Tue Nov 11, 2:06 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Vitaly V. Bursov, (Tue Nov 11, 3:42 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jeff Moyer, (Tue Nov 11, 3:36 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jeff Layton, (Tue Nov 11, 5:41 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jeff Layton, (Tue Nov 11, 5:59 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jens Axboe, (Wed Nov 12, 8:20 am)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jeff Layton, (Wed Nov 12, 8:45 am)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Christoph Hellwig, (Wed Nov 12, 8:54 am)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jeff Moyer, (Tue Nov 11, 12:48 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jens Axboe, (Tue Nov 11, 2:08 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jens Axboe, (Mon Nov 10, 2:29 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jens Axboe, (Mon Nov 10, 2:42 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Jeff Moyer, (Mon Nov 10, 2:39 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Alexey Dobriyan, (Sun Nov 9, 2:30 pm)
Re: Slow file transfer speeds with CFQ IO scheduler in some ..., Vitaly V. Bursov, (Sun Nov 9, 2:32 pm)