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From: Srivatsa Vaddagiri <vatsa@in.ibm.com>
To: Pavel Emelianov <xemul@openvz.org>
Cc: sekharan@us.ibm.com, balbir@in.ibm.com,
	Rik van Riel <riel@redhat.com>,
	CKRM-Tech <ckrm-tech@lists.sourceforge.net>,
	Dave Hansen <haveblue@us.ibm.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Andi Kleen <ak@suse.de>, Christoph Hellwig <hch@infradead.org>,
	Andrey Savochkin <saw@sw.ru>,
	devel@openvz.org, Matt Helsley <matthltc@us.ibm.com>,
	Hugh Dickins <hugh@veritas.com>,
	Alexey Dobriyan <adobriyan@mail.ru>, Kirill Korotaev <dev@sw.ru>,
	Oleg Nesterov <oleg@tv-sign.ru>,
	Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: [ckrm-tech] [PATCH] BC: resource beancounters (v4) (added	user memory)
Date: Wed, 13 Sep 2006 17:45:25 +0530	[thread overview]
Message-ID: <20060913121525.GC7543@in.ibm.com> (raw)
In-Reply-To: <4507BC11.6080203@openvz.org>

On Wed, Sep 13, 2006 at 12:06:41PM +0400, Pavel Emelianov wrote:
> OK. Then limiting must be done this way (unreclaimable limit/total limit)
> A (15/40)
> B (25/100)
> C (35/100)

s/35/30?

Also the different b/n total and unreclaimable limits goes towards
limiting reclaimable memory i suppose? And 1st limit seems to be a
hard-limit while the 2nd one is soft?

> D (10/100)
> E (20/50)
> In this case each group will receive it's guarantee for sure.
> 
> E.g. even if A, B, E and D will eat all it's unreclaimable memory then
> we'll have
> 100 - 15 - 25 - 20 - 10 = 30% of memory left (maybe after reclaiming) which
> is perfectly enough for C's guarantee.

I agree by carefully choosing these limits, we can provide some sort of
QoS, which is a good step to begin with.


-- 
Regards,
vatsa

  reply	other threads:[~2006-09-13 12:16 UTC|newest]

Thread overview: 144+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-09-05 15:02 [PATCH] BC: resource beancounters (v4) (added user memory) Kirill Korotaev
2006-09-05 15:19 ` [PATCH 1/13] BC: introduce atomic_dec_and_lock_irqsave() Kirill Korotaev
2006-09-05 15:20 ` [PATCH 2/13] BC: kconfig Kirill Korotaev
2006-09-05 15:21 ` [PATCH 3/17] BC: beancounters core (API) Kirill Korotaev
2006-09-05 15:23 ` [PATCH 4/13] BC: context inheriting and changing Kirill Korotaev
2006-09-05 15:24 ` [PATCH 5/13] BC: user interface (syscalls) Kirill Korotaev
2006-09-05 16:04   ` [ckrm-tech] " Balbir Singh
2006-09-06  8:29     ` Pavel Emelianov
2006-09-06  8:57       ` Balbir Singh
2006-09-06 10:42         ` Pavel Emelianov
2006-09-06 13:23           ` Balbir Singh
2006-09-06 13:45   ` Balbir Singh
2006-09-06 14:23     ` Kirill Korotaev
2006-09-05 15:25 ` [PATCH 6/13] BC: kernel memory (core) Kirill Korotaev
2006-09-05 15:26 ` [PATCH 7/13] BC: kernel memory (marks) Kirill Korotaev
2006-09-06 14:19   ` Cedric Le Goater
2006-09-05 15:27 ` [PATCH 8/13] BC: locked pages (core) Kirill Korotaev
2006-09-05 15:29 ` [PATCH 9/13] BC: locked pages (charge hooks) Kirill Korotaev
2006-09-06  3:43   ` Nick Piggin
2006-09-06  8:45     ` Pavel Emelianov
2006-09-06  9:41       ` Nick Piggin
2006-09-06 14:16     ` [ckrm-tech] " Kirill Korotaev
2006-09-05 15:30 ` [PATCH 10/13] BC: privvm pages Kirill Korotaev
2006-09-05 15:31 ` [PATCH 11/13] BC: vmrss (preparations) Kirill Korotaev
2006-09-05 22:09   ` Cedric Le Goater
2006-09-06 13:59     ` Kirill Korotaev
2006-09-07 16:28   ` [ckrm-tech] " Balbir Singh
2006-09-05 15:32 ` [PATCH 12/13] BC: vmrss (core) Kirill Korotaev
2006-09-05 15:33 ` [PATCH 13/13] BC: vmrss (charges) Kirill Korotaev
2006-09-05 16:53 ` [ckrm-tech] [PATCH] BC: resource beancounters (v4) (added user memory) Balbir Singh
2006-09-06  8:34   ` Pavel Emelianov
2006-09-06 13:06   ` Kirill Korotaev
2006-09-06 19:17     ` Balbir Singh
2006-09-06 22:06       ` Chandra Seetharaman
2006-09-07  3:08         ` Balbir Singh
2006-09-08  7:33         ` Pavel Emelianov
2006-09-08 15:43           ` Dave Hansen
2006-09-08 18:26             ` Balbir Singh
2006-09-11  6:56               ` Pavel Emelianov
2006-09-11  7:54                 ` Balbir Singh
2006-09-11  8:13                   ` Pavel Emelianov
2006-09-11  8:19                     ` Balbir Singh
2006-09-12 10:39                       ` Pavel Emelianov
2006-09-12 10:40                       ` Pavel Emelianov
2006-09-12 12:01                         ` Balbir Singh
2006-09-13 13:39                           ` Pavel Emelianov
2006-09-11 10:21                     ` Srivatsa Vaddagiri
2006-09-12 10:35                       ` Pavel Emelianov
2006-09-11 18:49                     ` Chandra Seetharaman
2006-09-12 10:48                       ` Pavel Emelianov
2006-09-12 23:58                         ` Chandra Seetharaman
2006-09-13  8:06                           ` Pavel Emelianov
2006-09-13 12:15                             ` Srivatsa Vaddagiri [this message]
2006-09-13 13:35                               ` Pavel Emelianov
2006-09-13 22:31                             ` Chandra Seetharaman
2006-09-14  7:53                               ` Pavel Emelianov
2006-09-14  8:06                                 ` Balbir Singh
2006-09-14 13:02                                   ` Pavel Emelianov
2006-09-15  0:02                                     ` Chandra Seetharaman
2006-09-15  7:21                                       ` Pavel Emelianov
2006-09-15  8:49                                       ` Kirill Korotaev
2006-09-18 23:51                                         ` Chandra Seetharaman
2006-09-14 23:42                                 ` Chandra Seetharaman
2006-09-15  7:15                                   ` Pavel Emelianov
2006-09-15  8:55                                     ` Kirill Korotaev
2006-09-15 11:15                                       ` Pavel Emelianov
2006-09-18  8:25                                         ` Balbir Singh
2006-09-18  8:56                                           ` Pavel Emelianov
2006-09-18 11:20                                             ` Balbir Singh
2006-09-18 11:32                                               ` Pavel Emelianov
2006-09-19  0:05                                             ` Chandra Seetharaman
2006-09-19  8:04                                               ` Pavel Emelianov
2006-09-18 11:27                                         ` Balbir Singh
2006-09-18 12:37                                           ` Pavel Emelianov
2006-09-19  0:08                                             ` Chandra Seetharaman
2006-09-19  8:06                                               ` Pavel Emelianov
2006-09-18 23:48                                     ` Chandra Seetharaman
2006-09-11 18:44                 ` Chandra Seetharaman
2006-09-15  8:57                   ` Kirill Korotaev
2006-09-18 23:57                     ` Chandra Seetharaman
2006-09-08 19:23           ` Chandra Seetharaman
2006-09-08 21:43             ` Rohit Seth
2006-09-11 18:25               ` Chandra Seetharaman
2006-09-11 19:10                 ` Rohit Seth
2006-09-11 19:42                   ` Chandra Seetharaman
2006-09-11 23:58                     ` Rohit Seth
2006-09-12  9:53                       ` Balbir Singh
2006-09-12 23:54                       ` Chandra Seetharaman
2006-09-13  0:39                         ` Rohit Seth
2006-09-13  1:10                           ` Chandra Seetharaman
2006-09-13  1:25                             ` Rohit Seth
2006-09-13  4:41                               ` Srivatsa Vaddagiri
2006-09-13 22:20                               ` Chandra Seetharaman
2006-09-14  1:22                                 ` Rohit Seth
2006-09-14 23:13                                   ` Chandra Seetharaman
2006-09-11 19:48                   ` [Devel] " Kir Kolyshkin
2006-09-12  0:28                     ` Rohit Seth
2006-09-12 10:44                   ` Srivatsa Vaddagiri
2006-09-12 17:22                     ` Rohit Seth
2006-09-12 17:40                       ` Srivatsa Vaddagiri
2006-09-12 18:02                         ` Rohit Seth
2006-09-13  0:02                       ` Chandra Seetharaman
2006-09-13  0:43                         ` Rohit Seth
2006-09-13  1:13                           ` Chandra Seetharaman
2006-09-13  1:33                             ` Rohit Seth
2006-09-13 22:24                               ` Chandra Seetharaman
2006-09-14  1:27                                 ` Rohit Seth
2006-09-14 23:28                                   ` Chandra Seetharaman
2006-09-15  9:26                                 ` Kirill Korotaev
2006-09-15 16:52                                   ` Rohit Seth
2006-09-15 21:21                                     ` [Devel] " Kir Kolyshkin
2006-09-15 21:58                                       ` Rohit Seth
2006-09-19  0:02                                       ` [ckrm-tech] [Devel] " Chandra Seetharaman
2006-09-18 23:59                                   ` [ckrm-tech] " Chandra Seetharaman
2006-09-06 21:47     ` Chandra Seetharaman
2006-09-08 15:33     ` Dave Hansen
2006-09-08 15:57     ` [RFC] Add tgid aggregation to beancounters (was Re: [ckrm-tech] [PATCH] BC: resource beancounters (v4) (added user memory)) Balbir Singh
2006-09-11 21:24       ` V2: " Balbir Singh
2006-09-15 16:40         ` [ckrm-tech] V2: Add tgid aggregation to beancounters (was " Kirill Korotaev
2006-10-09  8:23           ` Balbir Singh
2006-09-05 17:46 ` [ckrm-tech] [PATCH] BC: resource beancounters (v4) (added user memory) Dave Hansen
2006-09-05 18:28   ` Balbir Singh
2006-09-06  0:17   ` Rohit Seth
2006-09-08 15:30     ` Dave Hansen
2006-09-08 17:10       ` Rohit Seth
2006-09-08 17:26         ` Shailabh Nagar
2006-09-08 21:15           ` Rohit Seth
2006-09-08 21:28             ` Shailabh Nagar
2006-09-06 13:57   ` Kirill Korotaev
2006-09-06 21:54     ` Chandra Seetharaman
2006-09-07  7:29       ` Pavel Emelianov
2006-09-07 19:16         ` Chandra Seetharaman
2006-09-08  7:22           ` Pavel Emelianov
2006-09-08 19:07             ` Chandra Seetharaman
2006-09-11  7:02               ` Pavel Emelianov
2006-09-11 13:04                 ` Srivatsa Vaddagiri
2006-09-12 10:24                   ` Pavel Emelianov
2006-09-12 10:29                     ` Srivatsa Vaddagiri
2006-09-12 11:06                       ` Pavel Emelianov
2006-09-12 12:04                         ` Srivatsa Vaddagiri
2006-09-11 18:47                 ` Chandra Seetharaman
2006-09-07 19:29         ` Chandra Seetharaman
2006-09-08  7:26           ` Pavel Emelianov
2006-09-08 19:10             ` Chandra Seetharaman

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