On Mon, Jan 21, 2002 at 12:34:20PM -0600, Austin Gonyou wrote:
> On Mon, 2002-01-21 at 12:30, Eric Sandeen wrote:
> > On 21 Jan 2002, Austin Gonyou wrote:
> > > Using isag, I can go look at what the system history is. One thing
> > > I've seen is that under inode status, the inode size is very high.
> > > I'm not sure what this means particularly. Could somone offer
> > > information around this? I start to see this behaviour after about
> > > 1-2 hours of running the AIM DB benchmark test.
> > Can you be a little more specific? I'm not sure what you mean by
> > "the inode size is very high." What does isag mean by "inode size"
> > (xfs inode size is fixed at mkfs time) and what are the numbers?
> I was hoping someone could run isag real quick and see what I'm talking
> about. I'm not sure what it means, and the man page isn't the best.
I installed it and took a look at it. I think it's a matter of poorly
chosen labels. Here's the trip...
inode-sz (label in inode status graph of isag)
inode_used (field stored by sysstat)
field 1 from /proc/sys/fs/inode-state (as seen in sadc.c:1165)
inodes_stat (from linux/kernel/sysctl.c:295)
inodes_stat_t.nr_inodes (from linux/include/linux/fs.h:57)
I'm not too familiar with the places that inodes_stat is used. It
appears more like the in-kernel inodes that are available.
I'll let someone with more understanding of the kernel internals finish
Nate Straz nstraz@xxxxxxx
sgi, inc http://www.sgi.com/
Linux Test Project http://ltp.sf.net/