From: alexei@taf.ru
To: ALT Linux Team development discussions <devel@lists.altlinux.org>
Subject: Re: [devel] Ядра 4.19/5.4 и дисковый шедулер
Date: Fri, 20 Mar 2020 05:03:19 +0800 (IRKT)
Message-ID: <281376933.745285.1584651799275.JavaMail.zimbra@taf.ru> (raw)
In-Reply-To: <6da548aa-c4a8-d6c0-a201-73e249756b70@gmail.com>
----- Исходное сообщение -----
> От: "Leonid Krivoshein" <klark.devel@gmail.com>
> Кому: "ALT Linux Team development discussions" <devel@lists.altlinux.org>
> Отправленные: Пятница, 20 Март 2020 г 4:56:01
> Тема: Re: [devel] Ядра 4.19/5.4 и дисковый шедулер
> 19.03.2020 23:51, Konstantin Lepikhov пишет:
>> Hi alexei!
>>
>> On 03/20/2020, at 04:11:50 AM you wrote:
>>
>>> Добрый день!
>>>
>>> Скажите, кто знает, а вот такая картина на ядрах, начиная с 4.19, нормальная?:
>>>
>>> # cat /sys/block/sda/queue/scheduler
>>> [none] bfq
>>>
>>> при том на 4.9 имеем такую картину:
>>>
>>> # cat /sys/block/sda/queue/scheduler
>>> noop [deadline]
>> $ cat /sys/block/sda/queue/scheduler
>> mq-deadline [bfq] kyber none
>>
>> $ uname -r
>> 5.5.0-lks-wks-alt0.5
>
> $ cat /sys/block/nvme0n1/queue/scheduler
> [none] bfq
>
> $ uname -r
> 4.19.40-un-def-alt0.M80P.1
>
> С производительностью никаких проблем. :-)
На просто десктопе и с ssd/nvme действительно проблем не замечал. Выстрелило
на сервере dvr, у которого в ~100 потоков запись на обычные HDD и на сервере с postgresql.
next prev parent reply other threads:[~2020-03-19 21:03 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-19 20:11 alexei
2020-03-19 20:26 ` Leonid Krivoshein
2020-03-19 20:35 ` Andrey Savchenko
2020-03-23 5:57 ` Alexey V. Vissarionov
2020-03-23 9:39 ` Andrey Savchenko
2020-03-23 12:28 ` Alexey V. Vissarionov
2020-03-23 13:18 ` Andrey Savchenko
2020-03-23 13:32 ` Sergey V Turchin
2020-03-23 15:02 ` Alexey V. Vissarionov
2020-03-24 6:30 ` Sergey V Turchin
2020-03-24 8:51 ` Anton Gorlov
2020-03-24 9:16 ` Sergey V Turchin
2020-03-24 17:42 ` Anton Gorlov
2020-03-23 13:40 ` Anton V. Boyarshinov
2020-03-23 13:52 ` Andrey Savchenko
2020-03-23 15:19 ` Alexey V. Vissarionov
2020-03-23 16:43 ` Andrey Savchenko
2020-03-21 23:32 ` Mikhail Novosyolov
2020-03-21 23:51 ` Dmitry V. Levin
2020-03-19 20:51 ` Konstantin Lepikhov
2020-03-19 20:56 ` Leonid Krivoshein
2020-03-19 21:03 ` alexei [this message]
2020-03-19 21:03 ` Leonid Krivoshein
2020-03-20 3:57 ` Anton Farygin
2020-03-20 4:10 ` Alexei Takaseev
2020-03-22 16:07 ` Sergey Y. Afonin
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