From: Anton Farygin <rider@basealt.ru>
To: ALT Linux Team development discussions <devel@lists.altlinux.org>,
Alexey Gladkov <legion@altlinux.ru>
Subject: Re: [devel] Отключение swap
Date: Thu, 16 Nov 2017 14:34:21 +0300
Message-ID: <225b1cdc-0e0b-770b-4927-12432530b33c@basealt.ru> (raw)
In-Reply-To: <20171116113210.GA4474@comp-core-i7-2640m-0182e6>
16.11.2017 14:32, Alexey Gladkov пишет:
> On Thu, Nov 16, 2017 at 02:15:13PM +0300, Paul Wolneykien wrote:
>> 16.11.2017 07:29, Anton Farygin пишет:
>>> От swap тоже было бы неплохо избавиться - если ОЗУ более чем достаточно
>> А подскажите, пожалуйста, как именно это сделать? В /etc/fstab swap
>> раздел закомментирован. `free -m` показывает "Swap: 0 0 0". Я
>> рассчитывал, что после этого, тот же firefox, при нехватке памяти на
>> очередную вкладку, будет закрываться быстро и "молча".
> Вы надеетесь на сегфолт ?
>
> Кстати, у нас везде же по умолчанию overcommit memory.
>
> malloc(3):
>
> By default, Linux follows an optimistic memory allocation strategy. This
> means that when malloc() returns non-NULL there is no guarantee that the
> memory really is available. In case it turns out that the system is out of
> memory, one or more processes will be killed by the OOM killer. For more
> information, see the description of /proc/sys/vm/overcommit_memory and
> /proc/sys/vm/oom_adj in proc(5), and the Linux kernel source file
> Documentation/vm/overcommit-accounting.
>
Более того - при overcommit даже swap не особо помогает.
next prev parent reply other threads:[~2017-11-16 11:34 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-14 19:57 [devel] fsck, большие разделы и swap Sergey Y. Afonin
2017-11-15 18:17 ` Vladimir D. Seleznev
2017-11-15 20:03 ` Leonid Krivoshein
2017-11-16 7:57 ` Sergey Afonin
2017-11-16 8:02 ` Sergey Afonin
2017-11-16 11:23 ` Igor Zubkov
2017-11-16 11:34 ` Anton Farygin
2017-11-16 22:25 ` Leonid Krivoshein
2017-11-17 5:24 ` Sergey Afonin
2017-11-16 8:00 ` Sergey Afonin
2017-11-15 20:05 ` Alexey V. Vissarionov
2017-11-15 20:07 ` Anton Farygin
2017-11-15 20:18 ` Leonid Krivoshein
2017-11-15 20:24 ` Anton Farygin
2017-11-15 21:26 ` Leonid Krivoshein
2017-11-16 4:29 ` Anton Farygin
2017-11-16 7:11 ` Leonid Krivoshein
2017-11-16 7:14 ` Anton Farygin
2017-11-16 21:27 ` Leonid Krivoshein
2017-11-17 4:07 ` Anton Farygin
2017-11-17 7:51 ` Leonid Krivoshein
2017-11-17 8:03 ` Anton Farygin
2017-11-17 20:54 ` Leonid Krivoshein
2017-11-18 5:18 ` Anton Farygin
2017-11-17 4:10 ` Anton Farygin
2017-11-16 10:33 ` Alexey V. Vissarionov
2017-11-16 11:02 ` Sergey Afonin
2017-11-16 22:03 ` Leonid Krivoshein
2017-11-17 5:43 ` Sergey Afonin
2017-11-17 21:03 ` Leonid Krivoshein
2017-11-16 23:17 ` Leonid Krivoshein
2017-11-17 8:52 ` Alexey V. Vissarionov
2017-11-17 11:29 ` Sergey Afonin
2017-11-17 11:41 ` Dmitry V. Levin
2017-11-17 11:44 ` Anton Farygin
2017-11-17 11:56 ` Dmitry V. Levin
2017-11-17 12:47 ` Sergey Afonin
2017-11-19 15:27 ` Alexey V. Vissarionov
2017-11-16 11:06 ` [devel] swap < mem Dmitry V. Levin
2017-11-16 11:07 ` Anton Farygin
2017-11-16 12:14 ` [devel] swap < mem [JT] Vitaly Lipatov
2017-11-16 12:21 ` Paul Wolneykien
2017-11-16 16:52 ` Vladimir D. Seleznev
2017-11-16 12:37 ` Anton Farygin
2017-11-16 11:15 ` [devel] Отключение swap Paul Wolneykien
2017-11-16 11:19 ` Anton Farygin
2017-11-16 11:32 ` Alexey Gladkov
2017-11-16 11:34 ` Anton Farygin [this message]
2017-11-16 11:57 ` Paul Wolneykien
2017-11-16 11:58 ` Paul Wolneykien
2017-11-16 12:38 ` Anton Farygin
2017-11-16 12:45 ` Vitaly Lipatov
2017-11-16 13:01 ` [devel] control for overcommit memory (was: Re: Отключение swap) Alexey Gladkov
2017-11-16 13:06 ` [devel] control for overcommit memory Paul Wolneykien
2017-11-16 13:42 ` Anton Farygin
2017-11-16 13:55 ` Paul Wolneykien
2017-11-16 15:37 ` [devel] fsck, большие разделы и swap Mikhail Efremov
2017-11-16 16:00 ` Anton Farygin
2017-11-16 8:08 ` Sergey Afonin
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