linux-kernel - Re: How git affects kernel.org performance

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Message-ID: <20070107102853.GB26849@infradead.org>
Date:	Sun, 7 Jan 2007 10:28:53 +0000
From:	Christoph Hellwig <hch@...radead.org>
To:	Willy Tarreau <w@....eu>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Linus Torvalds <torvalds@...l.org>, git@...r.kernel.org,
	nigel@...el.suspend2.net, "J.H." <warthog9@...nel.org>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	Andrew Morton <akpm@...l.org>, Pavel Machek <pavel@....cz>,
	kernel list <linux-kernel@...r.kernel.org>,
	webmaster@...nel.org
Subject: Re: How git affects kernel.org performance

On Sun, Jan 07, 2007 at 10:03:36AM +0100, Willy Tarreau wrote:
> The problem is that I have no sufficient FS knowledge to argument why
> it helps here. It was a desperate attempt to fix the problem for us
> and it definitely worked well.

XFS does rather efficient btree directories, and it does sophisticated
readahead for directories.  I suspect that's what is helping you there.

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