RE: [ogfs-dev]It's the journaling
Good suggestion ...
Here are results with much larger *external* journal, on a separate drive (with regular, not chopped, code):
tar with journal: ~25 sec
rm with journal: ~29 sec
So, it still takes a long, long time to rm, even with a big external journal. I *did* notice that the drives do *not* seem very busy, however. That would be worth tracking down. I would see a couple of blinks, then a pause of maybe a second or so, then a couple of blinks, etc.
I have not tried a small external journal (to isolate whether it's the *external* or the *size* making the difference in the tar).
I should also double check that the hacked code really is doing all of the right stuff regarding the rm.
-- Ben --
Opinions are mine, not Intel's
> -----Original Message-----
> From: opengfs-devel-admin@lists.sourceforge.net
> [mailto:opengfs-devel-admin@lists.sourceforge.net]On Behalf Of Daniel
> Phillips
> Sent: Friday, October 10, 2003 3:11 PM
> To: opengfs-devel@lists.sourceforge.net
> Subject: Re: [ogfs-dev]It's the journaling
>
>
> On Wednesday 08 October 2003 05:16, Cahill, Ben M wrote:
> > tar with journal: ~30 sec
> > rm with journal: ~30 sec
> >
> > tar, no journal: ~22 sec
> > rm, no journal: ~ 2 or 3 sec!!
>
> Try making the journal much larger. This was the problem
> with with Ext3:
> dirtying too many inode table blocks fills up the journal and
> everything
> slows to a crawl.
>
> Regards,
>
> Daniel
>
>
>
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