From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: kosaki.motohiro@jp.fujitsu.com, Elladan <elladan@eskimo.com>,
linux-kernel@vger.kernel.org, linux-mm <linux-mm@kvack.org>,
Rik van Riel <riel@redhat.com>
Subject: Re: Swappiness vs. mmap() and interactive response
Date: Tue, 28 Apr 2009 17:03:09 +0900 (JST) [thread overview]
Message-ID: <20090428170214.EBD8.A69D9226@jp.fujitsu.com> (raw)
In-Reply-To: <1240904919.7620.73.camel@twins>
> > 1. please post your /proc/meminfo
> > 2. Do above copy make tons swap-out? IOW your disk read much faster than write?
> > 3. cache limitation of memcgroup solve this problem?
> > 4. Which disk have your /bin and /usr/bin?
> >
>
> FWIW I fundamentally object to 3 as being a solution.
Yes, I also think so.
> I still think the idea of read-ahead driven drop-behind is a good one,
> alas last time we brought that up people thought differently.
hmm.
sorry, I can't recall this patch. do you have any pointer or url?
WARNING: multiple messages have this Message-ID (diff)
From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: kosaki.motohiro@jp.fujitsu.com, Elladan <elladan@eskimo.com>,
linux-kernel@vger.kernel.org, linux-mm <linux-mm@kvack.org>,
Rik van Riel <riel@redhat.com>
Subject: Re: Swappiness vs. mmap() and interactive response
Date: Tue, 28 Apr 2009 17:03:09 +0900 (JST) [thread overview]
Message-ID: <20090428170214.EBD8.A69D9226@jp.fujitsu.com> (raw)
In-Reply-To: <1240904919.7620.73.camel@twins>
> > 1. please post your /proc/meminfo
> > 2. Do above copy make tons swap-out? IOW your disk read much faster than write?
> > 3. cache limitation of memcgroup solve this problem?
> > 4. Which disk have your /bin and /usr/bin?
> >
>
> FWIW I fundamentally object to 3 as being a solution.
Yes, I also think so.
> I still think the idea of read-ahead driven drop-behind is a good one,
> alas last time we brought that up people thought differently.
hmm.
sorry, I can't recall this patch. do you have any pointer or url?
--
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next prev parent reply other threads:[~2009-04-28 8:03 UTC|newest]
Thread overview: 336+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-28 4:44 Swappiness vs. mmap() and interactive response Elladan
2009-04-28 5:35 ` KOSAKI Motohiro
2009-04-28 5:35 ` KOSAKI Motohiro
2009-04-28 6:36 ` Elladan
2009-04-28 6:36 ` Elladan
2009-04-28 6:52 ` KOSAKI Motohiro
2009-04-28 6:52 ` KOSAKI Motohiro
2009-04-28 7:26 ` Elladan
2009-04-28 7:26 ` Elladan
2009-04-28 7:44 ` KOSAKI Motohiro
2009-04-28 7:44 ` KOSAKI Motohiro
2009-04-28 7:48 ` Peter Zijlstra
2009-04-28 7:48 ` Peter Zijlstra
2009-04-28 7:58 ` Balbir Singh
2009-04-28 7:58 ` Balbir Singh
2009-04-28 8:11 ` Peter Zijlstra
2009-04-28 8:11 ` Peter Zijlstra
2009-04-28 8:23 ` KAMEZAWA Hiroyuki
2009-04-28 8:23 ` KAMEZAWA Hiroyuki
2009-04-28 8:25 ` Balbir Singh
2009-04-28 8:25 ` Balbir Singh
2009-04-28 8:03 ` KOSAKI Motohiro [this message]
2009-04-28 8:03 ` KOSAKI Motohiro
2009-04-28 9:09 ` Wu Fengguang
2009-04-28 9:09 ` Wu Fengguang
2009-04-28 9:26 ` Wu Fengguang
2009-04-28 9:26 ` Wu Fengguang
2009-04-28 12:08 ` Theodore Tso
2009-04-28 12:08 ` Theodore Tso
2009-04-29 5:51 ` KOSAKI Motohiro
2009-04-29 5:51 ` KOSAKI Motohiro
2009-04-29 6:34 ` Andrew Morton
2009-04-29 6:34 ` Andrew Morton
2009-04-29 7:47 ` KOSAKI Motohiro
2009-04-29 7:47 ` KOSAKI Motohiro
2009-04-30 4:14 ` Elladan
2009-04-30 4:14 ` Elladan
2009-04-30 4:43 ` Andrew Morton
2009-04-30 4:43 ` Andrew Morton
2009-04-30 4:55 ` KOSAKI Motohiro
2009-04-30 4:55 ` KOSAKI Motohiro
2009-04-30 4:55 ` Elladan
2009-04-30 4:55 ` Elladan
2009-04-29 7:48 ` KOSAKI Motohiro
2009-04-29 7:48 ` KOSAKI Motohiro
2009-04-30 11:59 ` KOSAKI Motohiro
2009-04-30 11:59 ` KOSAKI Motohiro
2009-04-30 13:46 ` Elladan
2009-04-30 13:46 ` Elladan
2009-05-06 11:04 ` KOSAKI Motohiro
2009-05-06 11:04 ` KOSAKI Motohiro
2009-04-28 15:28 ` Rik van Riel
2009-04-28 23:29 ` [PATCH] vmscan: evict use-once pages first Rik van Riel
2009-04-28 23:29 ` Rik van Riel
2009-04-29 3:36 ` Elladan
2009-04-29 3:36 ` Elladan
2009-04-29 17:06 ` Christoph Hellwig
2009-04-29 17:06 ` Christoph Hellwig
2009-04-29 6:42 ` Peter Zijlstra
2009-04-29 6:42 ` Peter Zijlstra
2009-04-29 13:30 ` Rik van Riel
2009-04-29 13:30 ` Rik van Riel
2009-04-29 15:47 ` [PATCH] vmscan: evict use-once pages first (v2) Rik van Riel
2009-04-29 15:47 ` Rik van Riel
2009-04-29 16:07 ` KOSAKI Motohiro
2009-04-29 16:07 ` KOSAKI Motohiro
2009-04-29 16:18 ` Rik van Riel
2009-04-29 16:18 ` Rik van Riel
2009-04-29 17:14 ` [PATCH] vmscan: evict use-once pages first (v3) Rik van Riel
2009-04-29 17:14 ` Rik van Riel
2009-04-30 0:39 ` KOSAKI Motohiro
2009-04-30 0:39 ` KOSAKI Motohiro
2009-04-30 8:10 ` Johannes Weiner
2009-04-30 8:10 ` Johannes Weiner
2009-05-01 22:32 ` Andrew Morton
2009-05-01 22:32 ` Andrew Morton
2009-05-01 23:05 ` Rik van Riel
2009-05-01 23:05 ` Rik van Riel
2009-05-01 23:25 ` Andrew Morton
2009-05-01 23:25 ` Andrew Morton
2009-05-03 1:28 ` Wu Fengguang
2009-05-03 1:28 ` Wu Fengguang
2009-05-03 1:15 ` Wu Fengguang
2009-05-03 1:15 ` Wu Fengguang
2009-05-03 1:33 ` Rik van Riel
2009-05-03 1:33 ` Rik van Riel
2009-05-03 1:46 ` Wu Fengguang
2009-05-03 1:46 ` Wu Fengguang
2009-04-29 16:10 ` [PATCH] vmscan: evict use-once pages first (v2) Peter Zijlstra
2009-04-29 16:10 ` Peter Zijlstra
2009-04-30 7:20 ` Elladan
2009-04-30 7:20 ` Elladan
2009-04-30 13:08 ` Rik van Riel
2009-04-30 13:08 ` Rik van Riel
2009-04-30 14:00 ` Elladan
2009-04-30 14:00 ` Elladan
2009-05-01 0:45 ` Andrew Morton
2009-05-01 0:45 ` Andrew Morton
2009-05-01 0:59 ` Rik van Riel
2009-05-01 0:59 ` Rik van Riel
2009-05-01 1:13 ` Andrew Morton
2009-05-01 1:13 ` Andrew Morton
2009-05-01 1:50 ` Rik van Riel
2009-05-01 1:50 ` Rik van Riel
2009-05-01 2:54 ` Andrew Morton
2009-05-01 2:54 ` Andrew Morton
2009-05-01 14:05 ` Rik van Riel
2009-05-01 14:05 ` Rik van Riel
2009-05-01 18:04 ` Ray Lee
2009-05-01 18:04 ` Ray Lee
2009-05-01 19:34 ` Rik van Riel
2009-05-01 19:34 ` Rik van Riel
2009-05-01 19:44 ` Ray Lee
2009-05-01 19:44 ` Ray Lee
2009-05-01 20:08 ` Rik van Riel
2009-05-01 20:08 ` Rik van Riel
2009-05-01 20:17 ` Elladan
2009-05-01 20:17 ` Elladan
2009-05-01 19:35 ` Andrew Morton
2009-05-01 19:35 ` Andrew Morton
2009-05-01 20:05 ` Rik van Riel
2009-05-01 20:05 ` Rik van Riel
2009-05-01 20:45 ` Andrew Morton
2009-05-01 20:45 ` Andrew Morton
2009-05-01 21:46 ` Rik van Riel
2009-05-01 21:46 ` Rik van Riel
2009-05-03 3:15 ` Wu Fengguang
2009-05-03 3:15 ` Wu Fengguang
2009-05-03 3:24 ` Rik van Riel
2009-05-03 3:24 ` Rik van Riel
2009-05-03 3:43 ` Wu Fengguang
2009-05-03 3:43 ` Wu Fengguang
2009-05-04 10:23 ` Peter Zijlstra
2009-05-04 10:23 ` Peter Zijlstra
2009-05-07 12:11 ` [PATCH -mm] vmscan: make mapped executable pages the first class citizen Wu Fengguang
2009-05-07 12:11 ` Wu Fengguang
2009-05-07 13:39 ` Christoph Lameter
2009-05-07 13:39 ` Christoph Lameter
2009-05-07 14:15 ` Peter Zijlstra
2009-05-07 14:15 ` Peter Zijlstra
2009-05-07 14:18 ` Christoph Lameter
2009-05-07 14:18 ` Christoph Lameter
2009-05-07 14:38 ` Peter Zijlstra
2009-05-07 14:38 ` Peter Zijlstra
2009-05-07 15:36 ` Christoph Lameter
2009-05-07 15:36 ` Christoph Lameter
2009-05-07 15:59 ` Rik van Riel
2009-05-07 15:59 ` Rik van Riel
2009-05-07 15:06 ` Rik van Riel
2009-05-07 15:06 ` Rik van Riel
2009-05-07 16:00 ` Lee Schermerhorn
2009-05-07 16:00 ` Lee Schermerhorn
2009-05-07 16:32 ` Christoph Lameter
2009-05-07 16:32 ` Christoph Lameter
2009-05-07 17:11 ` Rik van Riel
2009-05-07 17:11 ` Rik van Riel
2009-05-08 3:40 ` Elladan
2009-05-08 3:40 ` Elladan
2009-05-08 16:04 ` Rik van Riel
2009-05-08 16:04 ` Rik van Riel
2009-05-09 4:04 ` Elladan
2009-05-09 4:04 ` Elladan
2009-05-08 17:18 ` Christoph Lameter
2009-05-08 17:18 ` Christoph Lameter
2009-05-09 10:20 ` KOSAKI Motohiro
2009-05-09 10:20 ` KOSAKI Motohiro
2009-05-08 17:37 ` Alan Cox
2009-05-08 17:37 ` Alan Cox
2009-05-07 15:10 ` Johannes Weiner
2009-05-07 15:10 ` Johannes Weiner
2009-05-07 15:17 ` Peter Zijlstra
2009-05-07 15:17 ` Peter Zijlstra
2009-05-07 15:21 ` Rik van Riel
2009-05-07 15:21 ` Rik van Riel
2009-05-08 3:30 ` Wu Fengguang
2009-05-08 3:30 ` Wu Fengguang
2009-05-08 4:17 ` [RFC][PATCH] vmscan: report vm_flags in page_referenced() Wu Fengguang
2009-05-08 4:17 ` Wu Fengguang
2009-05-08 12:09 ` Minchan Kim
2009-05-08 12:09 ` Minchan Kim
2009-05-08 12:15 ` Wu Fengguang
2009-05-08 12:15 ` Wu Fengguang
2009-05-08 14:01 ` Minchan Kim
2009-05-08 14:01 ` Minchan Kim
2009-05-09 6:56 ` Wu Fengguang
2009-05-09 6:56 ` Wu Fengguang
2009-05-10 23:45 ` Minchan Kim
2009-05-10 23:45 ` Minchan Kim
2009-05-17 11:25 ` Wu Fengguang
2009-05-17 11:25 ` Wu Fengguang
2009-05-07 20:44 ` [PATCH -mm] vmscan: make mapped executable pages the first class citizen Andrew Morton
2009-05-07 20:44 ` Andrew Morton
2009-05-08 8:16 ` Wu Fengguang
2009-05-08 8:16 ` Wu Fengguang
2009-05-08 8:28 ` Wu Fengguang
2009-05-08 8:28 ` Wu Fengguang
2009-05-08 19:58 ` Andrew Morton
2009-05-08 19:58 ` Andrew Morton
2009-05-08 22:00 ` Alan Cox
2009-05-08 22:00 ` Alan Cox
2009-05-08 22:15 ` Andrew Morton
2009-05-08 22:15 ` Andrew Morton
2009-05-08 22:53 ` Elladan
2009-05-08 22:53 ` Elladan
2009-05-08 22:20 ` Rik van Riel
2009-05-08 22:20 ` Rik van Riel
2009-05-10 8:59 ` KOSAKI Motohiro
2009-05-10 8:59 ` KOSAKI Motohiro
2009-05-10 9:07 ` Peter Zijlstra
2009-05-10 9:07 ` Peter Zijlstra
2009-05-10 9:35 ` Wu Fengguang
2009-05-10 9:35 ` Wu Fengguang
2009-05-10 10:06 ` KOSAKI Motohiro
2009-05-10 10:06 ` KOSAKI Motohiro
2009-05-10 9:36 ` KOSAKI Motohiro
2009-05-10 9:36 ` KOSAKI Motohiro
2009-05-10 13:45 ` Alan Cox
2009-05-10 13:45 ` Alan Cox
2009-05-10 13:56 ` KOSAKI Motohiro
2009-05-10 13:56 ` KOSAKI Motohiro
2009-05-10 14:51 ` Rik van Riel
2009-05-10 14:51 ` Rik van Riel
2009-05-10 14:59 ` KOSAKI Motohiro
2009-05-10 14:59 ` KOSAKI Motohiro
2009-05-10 20:13 ` Alan Cox
2009-05-10 20:13 ` Alan Cox
2009-05-10 20:37 ` Rik van Riel
2009-05-10 20:37 ` Rik van Riel
2009-05-10 21:23 ` Arjan van de Ven
2009-05-10 21:23 ` Arjan van de Ven
2009-05-11 10:03 ` Johannes Weiner
2009-05-11 10:03 ` Johannes Weiner
2009-05-10 21:29 ` Alan Cox
2009-05-10 21:29 ` Alan Cox
2009-05-10 9:20 ` Wu Fengguang
2009-05-10 9:20 ` Wu Fengguang
2009-05-10 9:29 ` KOSAKI Motohiro
2009-05-10 9:29 ` KOSAKI Motohiro
2009-05-10 10:03 ` Wu Fengguang
2009-05-10 10:03 ` Wu Fengguang
2009-05-10 10:15 ` KOSAKI Motohiro
2009-05-10 10:15 ` KOSAKI Motohiro
2009-05-10 11:21 ` Wu Fengguang
2009-05-10 11:21 ` Wu Fengguang
2009-05-10 11:39 ` KOSAKI Motohiro
2009-05-10 11:39 ` KOSAKI Motohiro
2009-05-10 11:44 ` Wu Fengguang
2009-05-10 11:44 ` Wu Fengguang
2009-05-10 12:19 ` Peter Zijlstra
2009-05-10 12:19 ` Peter Zijlstra
2009-05-10 12:39 ` KOSAKI Motohiro
2009-05-10 12:39 ` KOSAKI Motohiro
2009-05-10 13:17 ` Peter Zijlstra
2009-05-10 13:17 ` Peter Zijlstra
2009-05-12 2:50 ` Wu Fengguang
2009-05-12 2:50 ` Wu Fengguang
2009-05-12 4:35 ` Wu Fengguang
2009-05-12 4:35 ` Wu Fengguang
2009-05-12 13:20 ` Rik van Riel
2009-05-12 13:20 ` Rik van Riel
2009-05-16 9:26 ` Wu Fengguang
2009-05-16 9:26 ` Wu Fengguang
2009-05-12 2:51 ` [PATCH -mm] vmscan: report vm_flags in page_referenced() Wu Fengguang
2009-05-12 2:51 ` Wu Fengguang
2009-05-12 6:23 ` Peter Zijlstra
2009-05-12 6:23 ` Peter Zijlstra
2009-05-12 6:44 ` Minchan Kim
2009-05-12 6:44 ` Minchan Kim
2009-05-12 11:44 ` Wu Fengguang
2009-05-12 11:44 ` Wu Fengguang
2009-05-12 2:52 ` [PATCH -mm] vmscan: make mapped executable pages the first class citizen Wu Fengguang
2009-05-12 2:52 ` Wu Fengguang
2009-05-12 3:00 ` KOSAKI Motohiro
2009-05-12 3:00 ` KOSAKI Motohiro
2009-05-12 20:54 ` [PATCH -mm] vmscan: protect a fraction of file backed mapped pages from reclaim Christoph Lameter
2009-05-12 20:54 ` Christoph Lameter
2009-05-12 17:06 ` Rik van Riel
2009-05-12 17:06 ` Rik van Riel
2009-05-12 21:20 ` Christoph Lameter
2009-05-12 21:20 ` Christoph Lameter
2009-05-12 17:39 ` Rik van Riel
2009-05-12 17:39 ` Rik van Riel
2009-05-12 22:02 ` Christoph Lameter
2009-05-12 22:02 ` Christoph Lameter
2009-05-12 20:17 ` Rik van Riel
2009-05-12 20:17 ` Rik van Riel
2009-05-12 20:26 ` Christoph Lameter
2009-05-12 20:26 ` Christoph Lameter
2009-05-13 0:45 ` KOSAKI Motohiro
2009-05-13 0:45 ` KOSAKI Motohiro
2009-05-14 20:14 ` Christoph Lameter
2009-05-14 20:14 ` Christoph Lameter
2009-05-14 23:28 ` KOSAKI Motohiro
2009-05-14 23:28 ` KOSAKI Motohiro
2009-05-14 23:42 ` Rik van Riel
2009-05-14 23:42 ` Rik van Riel
2009-05-15 18:09 ` Christoph Lameter
2009-05-15 18:09 ` Christoph Lameter
2009-05-16 8:54 ` Wu Fengguang
2009-05-16 8:54 ` Wu Fengguang
2009-05-12 8:17 ` [PATCH -mm] vmscan: make mapped executable pages the first class citizen Minchan Kim
2009-05-12 8:17 ` Minchan Kim
2009-05-12 2:53 ` [PATCH -mm] vmscan: merge duplicate code in shrink_active_list() Wu Fengguang
2009-05-12 2:53 ` Wu Fengguang
2009-05-12 2:58 ` KOSAKI Motohiro
2009-05-12 2:58 ` KOSAKI Motohiro
2009-05-12 3:03 ` Wu Fengguang
2009-05-12 3:03 ` Wu Fengguang
2009-05-12 7:26 ` Minchan Kim
2009-05-12 7:26 ` Minchan Kim
2009-05-12 11:48 ` Wu Fengguang
2009-05-12 11:48 ` Wu Fengguang
2009-05-12 11:57 ` Minchan Kim
2009-05-12 11:57 ` Minchan Kim
2009-05-12 13:32 ` Rik van Riel
2009-05-12 13:32 ` Rik van Riel
2009-05-16 9:30 ` Wu Fengguang
2009-05-16 9:30 ` Wu Fengguang
2009-05-08 3:02 ` [PATCH -mm] vmscan: make mapped executable pages the first class citizen Wu Fengguang
2009-05-08 3:02 ` Wu Fengguang
2009-05-08 7:30 ` Minchan Kim
2009-05-08 7:30 ` Minchan Kim
2009-05-08 8:09 ` Wu Fengguang
2009-05-08 8:09 ` Wu Fengguang
2009-05-08 9:34 ` Minchan Kim
2009-05-08 9:34 ` Minchan Kim
2009-05-08 14:25 ` Christoph Lameter
2009-05-08 14:25 ` Christoph Lameter
2009-05-08 14:34 ` Rik van Riel
2009-05-08 14:34 ` Rik van Riel
2009-05-08 17:41 ` KOSAKI Motohiro
2009-05-08 17:41 ` KOSAKI Motohiro
2009-05-04 8:04 ` [PATCH] vmscan: evict use-once pages first (v2) Peter Zijlstra
2009-05-04 8:04 ` Peter Zijlstra
2009-05-01 3:09 ` Elladan
2009-05-01 3:09 ` Elladan
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