From: Eric Sandeen <sandeen@sandeen.net>
To: Eric Sandeen <sandeen@sandeen.net>,
Jan Wagner <jwagner@kurp.hut.fi>,
xfs@oss.sgi.com
Subject: Re: mkfs.xfs with a 9TB realtime volume hangs
Date: Sun, 11 Jan 2009 07:46:24 -0600 [thread overview]
Message-ID: <4969F830.1060209@sandeen.net> (raw)
In-Reply-To: <20090111103528.GA8071@disturbed>
Dave Chinner wrote:
> On Sat, Jan 10, 2009 at 03:13:23PM -0600, Eric Sandeen wrote:
>> With the default 4k extent size this takes forever (the man page claims
>> default is 64k, maybe this got broken at some point).
>
> It got changed a few years back by Nathan, IIRC.
Yep, I found the commit yesterday, it was for buffered IO's benefit on
the rt subvol, to reduce unwritten extent conversion IIRC.
I was going to follow up w/ the commit etc yesterday, but the mailing
list was down (again, sigh - this is indicative of sgi's staunch
commitment to xfs, I'm sure) so had nothing to reply to.
-Eric
> I bet the time
> being taken a result of the blow-out in bitmap size caused by reducing
> the extent size. Given it is non-linear, it may have something to do
> with cache sizes as well. e.g buftarg hashes not large enough.
>
> Cheers,
>
> Dave.
_______________________________________________
xfs mailing list
xfs@oss.sgi.com
http://oss.sgi.com/mailman/listinfo/xfs
prev parent reply other threads:[~2009-01-11 13:46 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-14 10:41 mkfs.xfs with a 9TB realtime volume hangs Jan Wagner
2009-01-10 21:13 ` Eric Sandeen
2009-01-11 10:35 ` Dave Chinner
2009-01-11 13:46 ` Eric Sandeen [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4969F830.1060209@sandeen.net \
--to=sandeen@sandeen.net \
--cc=jwagner@kurp.hut.fi \
--cc=xfs@oss.sgi.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.