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Re: XFS Inode Size question.

To: Steve Lord <lord@xxxxxxx>
Subject: Re: XFS Inode Size question.
From: Austin Gonyou <austin@xxxxxxxxxxxxxxx>
Date: 22 Jan 2002 15:22:10 -0600
Cc: Nathan Straz <nstraz@xxxxxxx>, Linux XFS List <linux-xfs@xxxxxxxxxxx>
In-reply-to: <1011733555.1279.120.camel@xxxxxxxxxxxxxxxxxxxx>
References: <1011733555.1279.120.camel@xxxxxxxxxxxxxxxxxxxx>
Sender: owner-linux-xfs@xxxxxxxxxxx
Interesting you'd say that cause my DBA is creating the oracle instance
on that machine right now, and we're swapping. His SGA is only about 2GB
though, the rest is in cached when I look at top.

On Tue, 2002-01-22 at 15:05, Steve Lord wrote:
> On Tue, 2002-01-22 at 15:04, Austin Gonyou wrote:
> > Scratch that...it just dropped back down about an hour ago. I wonder
> why
> > that would be? I mounted a loopback device  around that time. Could
> that
> > have anything to do with it?
> 
> About the only thing which would shrink it is a memory shortage, one
> of the things this can cause is a shrink of the inode cache.
> 
> Steve
> 
> > 
> > On Tue, 2002-01-22 at 14:53, Steve Lord wrote:
> > > On Tue, 2002-01-22 at 14:49, Austin Gonyou wrote:
> > > > That's what it looked like to me as well, but df -i still shows a
> > > decent
> > > > percentage of inodes free. That's what I'm getting wrapped around
> > > right
> > > > now. I wasn't sure if it was relating to how many inodes are/were
> > > used,
> > > > or if data extending to a certain number of blocks was making the
> > > other
> > > > inodes unuseable. I've never heard of that happening, but I was
> > > curious
> > > > just the same. 
> > > 
> > > I am pretty sure these numbers refer to in memory inode pools, not
> to
> > > on disk inode availability. Besides which when xfs reports how many
> > > inodes are free, it is reporting how many inodes could be created in
> > > the filesystem - which at 256 bytes per inode is usually a lot.
> > > 
> > > Steve
> > > 
> > > 
> > > -- 
> > > 
> > > Steve Lord                                      voice:
> +1-651-683-3511
> > > Principal Engineer, Filesystem Software         email: lord@xxxxxxx
> > -- 
> > Austin Gonyou
> > Systems Architect, CCNA
> > Coremetrics, Inc.
> > Phone: 512-698-7250
> > email: austin@xxxxxxxxxxxxxxx
> > 
> > "It is the part of a good shepherd to shear his flock, not to skin
> it."
> > Latin Proverb
> -- 
> 
> Steve Lord                                      voice: +1-651-683-3511
> Principal Engineer, Filesystem Software         email: lord@xxxxxxx
-- 
Austin Gonyou
Systems Architect, CCNA
Coremetrics, Inc.
Phone: 512-698-7250
email: austin@xxxxxxxxxxxxxxx

"It is the part of a good shepherd to shear his flock, not to skin it."
Latin Proverb

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