From: wangchao19890207@gmail.com (Wang Chao)
To: kernelnewbies@lists.kernelnewbies.org
Subject: How to clean up buffer or cache momory?
Date: Fri, 17 Feb 2012 15:13:18 +0800 [thread overview]
Message-ID: <20120217071318.GA19510@archlinux.nay.redhat.com> (raw)
In-Reply-To: <c8f8601.20181.135865e384d.Coremail.jingle2422@163.com>
On 02/16/12 at 09:33pm, ??? wrote:
> I know this, but I want to reclaim dynamically. Say in a shout time, several seconds.
Why do want to do that? Does it have a bad influence on performance?
Kernel will reclaim these cache itself when your machine runs out of mm.
>
>
>
>
>
> ? 2012-02-16 21:21:11?"Manish Katiyar" <mkatiyar@gmail.com> ???
> >2012/2/16 ??? <jingle2422@163.com>:
> >> Hi
> >> I encounter a problem recentely. My system supports USB strorage and
> >> other network applications.
> >> But after I put a file to usb storage, it will consume some many
> >> momory.
> >> (buffer + cache).
> >> And these buffered memory can not be reclaimed(use free command).
> >> So I want to know how to reclaim the buffer memory in a short time.
> >
> >Google for ./sys/vm/drop_caches
> >
> >--
> >Thanks -
> >Manish
> >
> >_______________________________________________
> >Kernelnewbies mailing list
> >Kernelnewbies at kernelnewbies.org
> >http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
> _______________________________________________
> Kernelnewbies mailing list
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--
Thanks,
Chao Wang
next prev parent reply other threads:[~2012-02-17 7:13 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-16 12:59 How to clean up buffer or cache momory? 黄小伟
2012-02-16 13:21 ` Manish Katiyar
2012-02-16 13:33 ` 黄小伟
2012-02-17 7:13 ` Wang Chao [this message]
2012-02-21 13:20 ` 黄小伟
2012-02-21 5:29 ` Pei Lin
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