From: Linus Torvalds <torvalds@linux-foundation.org>
To: Junio C Hamano <junkio@cox.net>
Cc: "Shawn O. Pearce" <spearce@spearce.org>, git@vger.kernel.org
Subject: Re: [PATCH] Kill the useless progress meter in merge-recursive
Date: Fri, 20 Apr 2007 08:14:20 -0700 (PDT) [thread overview]
Message-ID: <alpine.LFD.0.98.0704200811470.9964@woody.linux-foundation.org> (raw)
In-Reply-To: <7vd51z317c.fsf@assigned-by-dhcp.cox.net>
On Fri, 20 Apr 2007, Junio C Hamano wrote:
>
> I would propose removing the progress meter for "Checking out
> files" in unpack-trees, for the same reason.
Have you tried this with something like the kernel on a 128MB machine, or
over NFS? Or, indeed, if you just do
echo 5 > /proc/sys/vm/dirty_background_ratio
echo 2 > /proc/sys/vm/dirty_ratio
or similar, to tell the kernel to not allow a lot of dirty files.
No, I've not tried it either, but you may think that checking files out is
fast just because you're actually just writing to memory, and the
background writeout will do the real work. That isn't always true.
Checking files out can be very expensive indeed.
Linus
next prev parent reply other threads:[~2007-04-20 15:14 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-20 6:37 [PATCH] Kill the useless progress meter in merge-recursive Shawn O. Pearce
2007-04-20 8:21 ` Junio C Hamano
2007-04-20 9:00 ` Martin Waitz
2007-04-20 15:14 ` Linus Torvalds [this message]
2007-04-20 18:00 ` Daniel Barkalow
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