From: Wu Fengguang <fengguang.wu@intel.com>
To: Mel Gorman <mgorman@suse.de>
Cc: Greg Thelen <gthelen@google.com>, Jan Kara <jack@suse.cz>,
"bsingharora@gmail.com" <bsingharora@gmail.com>,
Hugh Dickins <hughd@google.com>, Michal Hocko <mhocko@suse.cz>,
linux-mm@kvack.org, Ying Han <yinghan@google.com>,
"hannes@cmpxchg.org" <hannes@cmpxchg.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Rik van Riel <riel@redhat.com>,
Minchan Kim <minchan.kim@gmail.com>
Subject: Re: reclaim the LRU lists full of dirty/writeback pages
Date: Tue, 14 Feb 2012 21:35:15 +0800 [thread overview]
Message-ID: <20120214133515.GA4069@localhost> (raw)
In-Reply-To: <20120214131812.GA17625@localhost>
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> For the single dd inside memcg, ext4 is now working pretty well, with
> least CPU overheads:
Attached are the dd progresses for btrfs, ext4 and xfs in turn, with
btrfs performing the most fluent and fast.
Also attached the "10 memcg each running 1 dd" graph for btrfs. Well
it's unacceptably bumpy because there are no any efforts to make a
round-robin walk between the works from different memcg LRU lists.
Thanks,
Fengguang
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next prev parent reply other threads:[~2012-02-14 13:45 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-08 7:55 memcg writeback (was Re: [Lsf-pc] [LSF/MM TOPIC] memcg topics.) Greg Thelen
2012-02-08 9:31 ` Wu Fengguang
2012-02-08 20:54 ` Ying Han
2012-02-09 13:50 ` Wu Fengguang
2012-02-13 18:40 ` Ying Han
2012-02-10 5:51 ` Greg Thelen
2012-02-10 5:52 ` Greg Thelen
2012-02-10 9:20 ` Wu Fengguang
2012-02-10 11:47 ` Wu Fengguang
2012-02-11 12:44 ` reclaim the LRU lists full of dirty/writeback pages Wu Fengguang
2012-02-11 14:55 ` Rik van Riel
2012-02-12 3:10 ` Wu Fengguang
2012-02-12 6:45 ` Wu Fengguang
2012-02-13 15:43 ` Jan Kara
2012-02-14 10:03 ` Wu Fengguang
2012-02-14 13:29 ` Jan Kara
2012-02-16 4:00 ` Wu Fengguang
2012-02-16 12:44 ` Jan Kara
2012-02-16 13:32 ` Wu Fengguang
2012-02-16 14:06 ` Wu Fengguang
2012-02-17 16:41 ` Wu Fengguang
2012-02-20 14:00 ` Jan Kara
2012-02-14 10:19 ` Mel Gorman
2012-02-14 13:18 ` Wu Fengguang
2012-02-14 13:35 ` Wu Fengguang [this message]
2012-02-14 15:51 ` Mel Gorman
2012-02-16 9:50 ` Wu Fengguang
2012-02-16 17:31 ` Mel Gorman
2012-02-27 14:24 ` Fengguang Wu
2012-02-16 0:00 ` KAMEZAWA Hiroyuki
2012-02-16 3:04 ` Wu Fengguang
2012-02-16 3:52 ` KAMEZAWA Hiroyuki
2012-02-16 4:05 ` Wu Fengguang
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