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From: Christoph Hellwig <hch@infradead.org>
To: Jan Kasprzak <kas@fi.muni.cz>
Cc: linux-kernel@vger.kernel.org
Subject: Re: XFS lstat() _very_ slow on SMP
Date: Wed, 18 May 2005 15:02:58 +0100	[thread overview]
Message-ID: <20050518140258.GA22587@infradead.org> (raw)
In-Reply-To: <20050516162506.GB19415@fi.muni.cz>

On Mon, May 16, 2005 at 06:25:06PM +0200, Jan Kasprzak wrote:
> 	Hi all,
> 
> 	I have a big XFS volume on my fileserver, and I have noticed that
> making an incremental backup of this volume is _very_ slow. The incremental
> backup essentially checks mtime of all files on this volume, and it
> takes ~4ms of _system_ time (i.e. no iowait or what) to do a lstat().

Thanks a lot for the report, I'll investigate what's going on once I get
a little time.  (Early next week I hope)


  reply	other threads:[~2005-05-18 14:25 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-16 16:25 Jan Kasprzak
2005-05-18 14:02 ` Christoph Hellwig [this message]
2005-05-18 17:45   ` Jan Kasprzak
2005-05-28  9:11     ` Christoph Hellwig
2005-05-29 18:37       ` Jan Kasprzak

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