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Date:      Tue, 5 Oct 1999 16:10:42 -0700
From:      "David Schwartz" <davids@webmaster.com>
To:        "Warner Losh" <imp@village.org>
Cc:        <current@freebsd.org>
Subject:   RE: make install trick 
Message-ID:  <000001bf0f86$d8d84670$021d85d1@youwant.to>
In-Reply-To: <199910052142.PAA05137@harmony.village.org>

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> In message <000101bf0f78$fbe58b40$021d85d1@youwant.to> "David
> Schwartz" writes:
> : 	It's really not a bug, it's just a missing feature. There's
> no requirement
> : that a filesystem reclaim empty space immediately. You really
> shouldn't be
> : using fastupdates on nearly full filesystems -- it doesn't handle that
> : situation particularly well.
>
> Nearly full?  It is a 32M file system with 15M free.  That's not
> nearly full.

	Whether that qualifies as 'nearly full' or not depends upon the update
rate.

> The problem is that the update rate is faster than the
> softupdate code can deal with.

	I would say a filesystem that adds new files in an amount close to its free
space is nearly full.

> Running sync between each install
> shows that this is a bug.  sync is supposed to be idempotent.

	I think anybody reasonable familiar with softupdates understands what
'sync' does in this context. It's not a bug because it is documented
behavior done for a specific reason.

	DS



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