xfs
[Top] [All Lists]

Re: [Jfs-discussion] benchmark results

To: Casey Allen Shobe <casey@xxxxxxxxxx>
Subject: Re: [Jfs-discussion] benchmark results
From: Larry McVoy <lm@xxxxxxxxxxxx>
Date: Sun, 10 Jan 2010 17:32:51 -0800
Cc: Larry McVoy <lm@xxxxxxxxxxxx>, tytso@xxxxxxx, jfs-discussion@xxxxxxxxxxxxxxxxxxxxx, linux-nilfs@xxxxxxxxxxxxxxx, Christian Kujau <lists@xxxxxxxxxxxxxxx>, linux-ext4@xxxxxxxxxxxxxxx, Peter Grandi <pg_jf2@xxxxxxxxxxxxxxxxxx>, reiserfs-devel@xxxxxxxxxxxxxxx, ext-users <ext3-users@xxxxxxxxxx>, xfs@xxxxxxxxxxx, linux-btrfs@xxxxxxxxxxxxxxx
In-reply-to: <AAA45328-6BEA-465C-B999-C99D45FC56FF@xxxxxxxxxx>
Mail-followup-to: Larry McVoy <lm@xxxxxxxxxxxx>, Casey Allen Shobe <casey@xxxxxxxxxx>, tytso@xxxxxxx, jfs-discussion@xxxxxxxxxxxxxxxxxxxxx, linux-nilfs@xxxxxxxxxxxxxxx, Christian Kujau <lists@xxxxxxxxxxxxxxx>, linux-ext4@xxxxxxxxxxxxxxx, Peter Grandi <pg_jf2@xxxxxxxxxxxxxxxxxx>, reiserfs-devel@xxxxxxxxxxxxxxx, ext-users <ext3-users@xxxxxxxxxx>, xfs@xxxxxxxxxxx, linux-btrfs@xxxxxxxxxxxxxxx
References: <alpine.DEB.2.01.0912240205510.3483@xxxxxxxxxxxxxxxxxx> <19251.26403.762180.228181@xxxxxxxxxxxxxxxxxx> <20091224212756.GM21594@xxxxxxxxx> <alpine.DEB.2.01.0912241739160.3483@xxxxxxxxxxxxxxxxxx> <20091225161453.GD32757@xxxxxxxxx> <20091225162238.GB19303@xxxxxxxxxxxx> <AAA45328-6BEA-465C-B999-C99D45FC56FF@xxxxxxxxxx>
User-agent: Mutt/1.5.18 (2008-05-17)
On Sun, Jan 10, 2010 at 08:03:04PM -0500, Casey Allen Shobe wrote:
> On Dec 25, 2009, at 11:22 AM, Larry McVoy wrote:
>> Dudes, sync() doesn't flush the fs cache, you have to unmount for  
>> that.
>> Once upon a time Linux had an ioctl() to flush the fs buffers, I used
>> it in lmbench.
>
>
> You do not need to unmount - 2.6.16+ have a mechanism in /proc to flush 
> caches.  See http://linux-mm.org/Drop_Caches

Cool, but I tend to come at problems from a cross platform point of view.
Aix no hable /proc :)
-- 
---
Larry McVoy                lm at bitmover.com           http://www.bitkeeper.com

<Prev in Thread] Current Thread [Next in Thread>