Re: Odd "data used" reporting behavior by ceph -w

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On Tue, 2011-02-01 at 14:44 -0700, Gregory Farnum wrote:
> On Tue, Feb 1, 2011 at 1:31 PM, Jim Schutt <jaschut@xxxxxxxxxx> wrote:
> > I've just lightly tested current stable branch, commit 0f3198e8c63.
> >
> > For me both problems seem to still exist.
> Well that's a bummer.
> 
> > I'm running 4 osds per host on 4 hosts, 1 mon, 1 mds, 64 clients.
> >
> > For me a "ls" on the file system root from one of
> > the clients still doesn't complete until the dd commands
> > running on each client complete.
> >
> > Also, it is still true for me if I truncate all the files
> > to zero from one of the clients, then write them again,
> > one file per client, that second set of writes goes very
> > slow.
> >
> > Am I maybe testing the wrong commit?
> Nope, that commit should do it.
> 
> What version of the client software are you running?

I'm running 

1f0324caef from git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
+
a3f5274e53 from git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client.git
+
90ba60990b from git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-work.git

I actually run that kernel on both clients and servers, FWIW.
I haven't updated my remotes for a few days, so
I can run anything newer that you need me to run.


>  I'll have to look
> over the change logs to see if maybe there are changes in there that
> would impact this as well. Also my test environment is smaller than
> yours; I'll endeavor to look this over again on a larger one with more
> clients and see if I can spot any extra interactions causing problems.

OK, great.

-- Jim

> -Greg
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