From: Dave Chinner <david@fromorbit.com>
To: Jason Rosenberg <jbr@squareup.com>
Cc: Ben Myers <bpm@sgi.com>, stan@hardwarefreak.com, xfs@oss.sgi.com
Subject: Re: understanding speculative preallocation
Date: Mon, 29 Jul 2013 10:04:18 +1000 [thread overview]
Message-ID: <20130729000418.GB13468@dastard> (raw)
In-Reply-To: <CAA+BczTywXKd_76dAtT9DkSk=zKdoFOjHfXzF+bhrj_F54DnJQ@mail.gmail.com>
On Sat, Jul 27, 2013 at 10:19:17PM -0400, Jason Rosenberg wrote:
> Thanks Dave,
>
> The automatic prealloc removal, if no new writes after 5 minutes, sounds
> perfect for my use case. But realistically, I'm not likely to get our org
> to push/find an os update just for this purpose too easily.
>
> So, in the meantime, the question remains, assuming I have the version I
> have currently (dynamic preallocation, persists indefinitely until the file
> is closed/app quits, etc.), will this idea work (e.g. close the file after
> writing, then re-open read-only?).
Maybe, maybe not. depends on whether the "don't remove prealloc"
heuristic was triggered at any time....
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
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next prev parent reply other threads:[~2013-07-29 0:04 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-26 7:23 understanding speculative preallocation jbr
2013-07-26 11:50 ` Dave Chinner
2013-07-26 17:40 ` Jason Rosenberg
2013-07-26 19:27 ` Stan Hoeppner
2013-07-26 19:43 ` A short digression on FOSS (Re: understanding speculative preallocation) Jay Ashworth
2013-07-27 3:52 ` Stan Hoeppner
2013-07-27 21:00 ` Jay Ashworth
2013-07-28 1:38 ` aurfalien
2013-07-28 1:50 ` Jay Ashworth
2013-07-28 2:08 ` aurfalien
2013-07-28 2:21 ` Jay Ashworth
2013-07-28 5:09 ` Purpose of the XFS list -- was: " Stan Hoeppner
2013-07-28 15:45 ` Jay Ashworth
2013-08-14 17:01 ` Emmanuel Florac
2013-07-28 7:18 ` Stefan Ring
2013-07-28 15:48 ` Jay Ashworth
2013-07-29 0:02 ` Dave Chinner
2013-07-29 0:06 ` Jay Ashworth
2013-07-29 2:41 ` Dave Chinner
2013-07-29 3:12 ` Eric Sandeen
2013-07-29 4:11 ` Stan Hoeppner
2013-07-29 14:33 ` Jay Ashworth
2013-07-29 15:25 ` Dave Howorth
2013-07-29 3:38 ` Keith Keller
2013-07-29 4:32 ` Eric Sandeen
2013-07-29 4:57 ` Keith Keller
2013-07-29 13:38 ` Eric Sandeen
2013-07-29 18:15 ` Keith Keller
2013-07-29 14:24 ` Jay Ashworth
2013-07-29 14:36 ` Jay Ashworth
2013-07-29 14:57 ` Eric Sandeen
2013-07-29 15:30 ` Jay Ashworth
2013-07-29 17:05 ` Eric Sandeen
2013-07-29 0:00 ` Dave Chinner
2013-07-28 5:15 ` Michael L. Semon
2013-07-26 20:38 ` understanding speculative preallocation Jason Rosenberg
2013-07-26 20:50 ` Ben Myers
2013-07-26 21:04 ` Jason Rosenberg
2013-07-26 21:11 ` Jason Rosenberg
2013-07-26 21:42 ` Ben Myers
2013-07-27 1:30 ` Dave Chinner
2013-07-28 2:19 ` Jason Rosenberg
2013-07-29 0:04 ` Dave Chinner [this message]
2013-07-26 21:45 ` Eric Sandeen
2013-07-27 4:26 ` Keith Keller
2013-07-27 1:26 ` Dave Chinner
-- strict thread matches above, loose matches on Subject: below --
2013-07-26 7:35 jbr
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