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From: "Daniele P." <daniele@interline.it>
To: xfs@oss.sgi.com
Subject: Re: xfsrepair memory consumption
Date: Wed, 21 Mar 2007 09:34:50 +0100	[thread overview]
Message-ID: <200703210934.50447.daniele@interline.it> (raw)
In-Reply-To: <20070320221305.GR32602149@melbourne.sgi.com>

On Tuesday 20 March 2007 23:13, you wrote:
> On Tue, Mar 20, 2007 at 03:32:05PM +0100, Daniele P. wrote:
> 6 million inodes in your filesystem, and a certain points in
> repair we have to hold indexes of them all (plus some state) in
> memory. Phase 6 is one of these points.

Hi David,
thanks for the explanation. 

> In terms of inode count, I generally use the rule that for every
> 10million inodes you need a gigabyte of RAM for repair - you needed
> about 500MB for 6million inodes.

This is true for 2.6.20-1, but 2.8.18-1 use a lot of memory in
phase 2.
I just want to point out the *increasing* memory requirements rather
than the total amount of memory needed to repair an xfs file system.

Regards,
Daniele P.

  parent reply	other threads:[~2007-03-21  8:35 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-20 14:32 xfsrepair memory consumption Daniele P.
2007-03-20 22:13 ` David Chinner
2007-03-20 23:48   ` Barry Naujok
2007-03-21  8:35     ` Daniele P.
2007-03-21  8:34   ` Daniele P. [this message]
     [not found] <200703210843.TAA08491@larry.melbourne.sgi.com>
2007-03-21 11:08 ` Daniele P.
2007-03-21 21:36   ` Chris Wedgwood
2007-03-23  8:36     ` Daniele P.

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