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

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Message-Id: <20070107112834.a8746a98.randy.dunlap@oracle.com>
Date:	Sun, 7 Jan 2007 11:28:34 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
Cc:	Willy Tarreau <w@....eu>, "H. Peter Anvin" <hpa@...or.com>,
	Linus Torvalds <torvalds@...l.org>, git@...r.kernel.org,
	nigel@...el.suspend2.net, "J.H." <warthog9@...nel.org>,
	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, 7 Jan 2007 20:07:43 +0100 (MET) Jan Engelhardt wrote:

> 
> On Jan 7 2007 10:49, Randy Dunlap wrote:
> >On Sun, 7 Jan 2007 11:50:57 +0100 (MET) Jan Engelhardt wrote:
> >> On Jan 7 2007 10:03, Willy Tarreau wrote:
> >> >On Sun, Jan 07, 2007 at 12:58:38AM -0800, H. Peter Anvin wrote:
> >> >> >[..]
> >> >> >entries in directories with millions of files on disk. I'm not
> >> >> >certain it would be that easy to try other filesystems on
> >> >> >kernel.org though :-/
> >> >> 
> >> >> Changing filesystems would mean about a week of downtime for a server. 
> >> >> It's painful, but it's doable; however, if we get a traffic spike during 
> >> >> that time it'll hurt like hell.
> >> 
> >> Then make sure noone releases a kernel ;-)
> >
> >maybe the week of LCA ?

Sorry, it means Linux.conf.au (Australia):
  http://lca2007.linux.org.au/
Jan. 15-20, 2007

> I don't know that acronym, but if you ask me when it should happen:
> _Before_ the next big thing is released, e.g. before 2.6.20-final.
> Reason: You never know how long they're chewing [downloading] on 2.6.20.
> Excluding other projects on kernel.org from my hypothesis, I'd suppose the
> lowest bandwidth usage the longer no new files have been released. (Because
> everyone has them then more or less.)

ISTM that Linus is trying to make 2.6.20-final before LCA.  We'll see.

---
~Randy
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