From: "Konstantin A. Lepikhov" <lakostis@altlinux.org>
To: ALT Linux Team development discussions <devel@lists.altlinux.org>
Subject: Re: [devel] rsync server load
Date: Mon, 2 Jun 2008 01:52:04 +0400
Message-ID: <20080601215204.GA12393@lks.home> (raw)
In-Reply-To: <20080601211742.GJ7996@solemn.turbinal>
[-- Attachment #1: Type: text/plain, Size: 1164 bytes --]
Hi Alexey!
Monday 02, at 01:17:42 AM you wrote:
> On Sun, Jun 01, 2008 at 05:48:46PM +0400, Alexander Bokovoy wrote:
> > 1. Оптимизировать работу по rsync: меньше объем данных для
> > последовательных синхронизаций, меньше нагрузка на сервер _и_ клиент,
> > поскольку анализ блоков rsync все равно производит, а данные в удобном
> > для rsync формате позволяют этот анализ сократить.
>
> Нагрузка на сервер от rsync'а -- это какая-то городская легенда.
>
> rsync(1):
>
> Rsync finds files that need to be transferred using a "quick check"
> algorithm (by default) that looks for files that have changed in size
> or in last-modified time.
>
> Когда кто-то синхронизирует сизиф, rsync server сканирует не все поряд
> файлы, а только те, которые изменились (то есть новые rpm пакеты).
> Файлов же менятся ограниченное количество (для x86_64 -- 2.3G в месяц).
> Значит, если воткнуть в сервер лишние 2G, которые стоят $100 или вроде
> того (а также нужно смонтировать фс с опцией noatime), то rsync server
> перейдёт преимущественно в in-memory режим.
+ если добавить commit=1000 для ext3. Будет вообще шоколадно.
--
WBR et al.
[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 189 bytes --]
next prev parent reply other threads:[~2008-06-01 21:52 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-31 18:58 [devel] comprehensive rsyncability test Alexey Tourbin
2008-05-31 19:44 ` Dmitry V. Levin
2008-05-31 21:32 ` Alexey Tourbin
2008-05-31 21:57 ` Dmitry V. Levin
2008-05-31 22:14 ` Alexey Tourbin
2008-05-31 22:26 ` Dmitry V. Levin
2008-05-31 23:10 ` Alexey Tourbin
2008-06-01 8:11 ` Alexey Tourbin
2008-06-01 17:35 ` Michael Shigorin
2008-06-01 17:43 ` Mikhail Gusarov
2008-06-01 18:04 ` Michael Shigorin
2008-06-01 18:39 ` Alexey I. Froloff
2008-06-01 17:44 ` Alexander Bokovoy
2008-06-01 18:22 ` Alexey Tourbin
2008-06-01 18:32 ` Led
2008-06-01 19:04 ` Alexey Tourbin
2008-06-01 10:18 ` Alexey Tourbin
2008-06-01 12:18 ` Anton Farygin
2008-06-01 13:23 ` Mikhail Gusarov
2008-06-01 12:26 ` Anton Farygin
2008-06-01 13:48 ` Alexander Bokovoy
2008-06-01 21:17 ` [devel] rsync server load Alexey Tourbin
2008-06-01 21:52 ` Konstantin A. Lepikhov [this message]
2008-06-02 14:08 ` Dmitry V. Levin
2008-06-02 14:25 ` Konstantin A. Lepikhov
2008-06-02 14:29 ` Dmitry V. Levin
2008-06-02 18:04 ` Konstantin A. Lepikhov
2008-06-02 20:21 ` [devel] [jt] " Dmitry V. Levin
2008-06-02 20:28 ` Alexey Gladkov
2008-06-02 20:35 ` Dmitry V. Levin
2008-06-02 20:41 ` Alexey Gladkov
2008-06-02 20:58 ` Sergey Y. Afonin
2008-06-03 6:30 ` Dmitriy M. Maslennikov
2008-06-02 20:53 ` Sergey Y. Afonin
2008-06-02 21:33 ` Konstantin A. Lepikhov
2008-06-02 21:42 ` Dmitry V. Levin
2008-06-02 22:25 ` Konstantin A. Lepikhov
2008-06-02 22:50 ` [devel] [jt] clustered fs Dmitry V. Levin
2008-06-02 22:54 ` Konstantin A. Lepikhov
2008-06-02 23:08 ` Dmitry V. Levin
2008-06-03 5:38 ` Anton Farygin
2008-06-03 7:19 ` Serge Ryabchun
2008-06-03 8:53 ` Michael Shigorin
2008-06-03 10:27 ` [devel] " Dmitry V. Levin
2008-06-03 15:02 ` Michael Shigorin
2008-06-03 15:18 ` [devel] lustre Dmitry V. Levin
2008-06-03 20:21 ` Michael Shigorin
2008-06-03 21:27 ` Dmitry V. Levin
2008-06-04 12:15 ` Serge Ryabchun
2008-06-04 12:20 ` Michael Shigorin
2008-06-04 12:47 ` Anton Farygin
2008-06-04 14:17 ` Andrey Brindeyev
2008-06-04 14:17 ` Andrey Brindeyev
2008-06-04 14:46 ` Anton Farygin
2008-06-04 15:12 ` Serge Ryabchun
2008-06-04 15:22 ` Andrey Brindeyev
2008-06-04 18:49 ` Anton Farygin
2008-06-04 15:10 ` Alexander Bokovoy
2008-06-05 9:04 ` Sergey Zhumatiy
2008-06-05 9:08 ` Alexander Bokovoy
2008-06-03 10:50 ` [devel] [jt] clustered fs Mykola S. Grechukh
2008-06-03 8:51 ` [devel] [jt] rsync server load Michael Shigorin
2008-06-01 13:49 ` [devel] comprehensive rsyncability test Alexander Bokovoy
2008-06-01 12:55 ` Anton Farygin
2008-06-01 15:35 ` Alexey Tourbin
2008-06-01 16:38 ` Alexander Bokovoy
2008-06-01 16:42 ` Mikhail Gusarov
2008-06-01 16:55 ` Alexander Bokovoy
2008-06-01 17:03 ` Mikhail Gusarov
2008-06-01 17:41 ` Michael Shigorin
2008-06-01 17:47 ` Mikhail Gusarov
2008-06-01 18:07 ` [devel] [JT] насчёт НП-18 Michael Shigorin
2008-06-01 18:11 ` Mikhail Gusarov
2008-06-02 3:48 ` Anton Farygin
2008-06-02 4:50 ` Alexander Bokovoy
2008-06-02 9:45 ` Sergey Bolshakov
2008-06-02 9:52 ` Anton Farygin
2008-06-02 9:57 ` Aleksey Novodvorsky
2008-06-02 10:18 ` Mikhail Gusarov
2008-06-02 10:43 ` Anton Farygin
2008-06-02 20:24 ` [devel] comprehensive rsyncability test Dmitry V. Levin
2008-06-02 20:31 ` Led
2008-06-04 12:33 ` Alexey Tourbin
2008-06-04 12:49 ` Anton Farygin
2008-06-04 13:04 ` Alexey Tourbin
2008-06-04 17:37 ` Michael Shigorin
2008-06-04 18:24 ` Alexey Tourbin
2008-06-04 18:54 ` Michael Shigorin
2008-06-05 7:36 ` Anton V. Boyarshinov
2008-06-04 18:49 ` Dmitry V. Levin
2008-06-02 10:06 ` Alexey Tourbin
2008-06-02 10:38 ` Alexander Bokovoy
2008-06-02 10:46 ` Anton Farygin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20080601215204.GA12393@lks.home \
--to=lakostis@altlinux.org \
--cc=devel@lists.altlinux.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
ALT Linux Team development discussions
This inbox may be cloned and mirrored by anyone:
git clone --mirror http://lore.altlinux.org/devel/0 devel/git/0.git
# If you have public-inbox 1.1+ installed, you may
# initialize and index your mirror using the following commands:
public-inbox-init -V2 devel devel/ http://lore.altlinux.org/devel \
devel@altlinux.org devel@altlinux.ru devel@lists.altlinux.org devel@lists.altlinux.ru devel@linux.iplabs.ru mandrake-russian@linuxteam.iplabs.ru sisyphus@linuxteam.iplabs.ru
public-inbox-index devel
Example config snippet for mirrors.
Newsgroup available over NNTP:
nntp://lore.altlinux.org/org.altlinux.lists.devel
AGPL code for this site: git clone https://public-inbox.org/public-inbox.git