linux-kernel - Re: Ext4 and the "30 second window of death"

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Message-ID: <20090402112507.GA24532@sucs.org>
Date:	Thu, 2 Apr 2009 12:25:07 +0100
From:	Sitsofe Wheeler <sitsofe@...oo.com>
To:	Ray Lee <ray-lk@...rabbit.org>
Cc:	Matthew Garrett <mjg59@...f.ucam.org>,
	Theodore Tso <tytso@....edu>,
	"Andreas T.Auer" <andreas.t.auer_lkml_73537@...us.ath.cx>,
	Alberto Gonzalez <info@...bu.es>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Ext4 and the "30 second window of death"

On Wed, Apr 01, 2009 at 02:21:43PM -0700, Ray Lee wrote:
> 
> Some guy named Andrew used to run a kernel with 'return 0' at the top
> of fsync and fdatasync: http://lkml.org/lkml/2007/4/27/88

(Quoting out of context from Andrew's mail)

"hm, fsync.

Aside: why the heck do applications think that their data is so
important that they need to fsync it all the time."

So the advice/complaint is that apps shouldn't fsync unless absolutely
necessary because syncing will always slow?

-- 
Sitsofe | http://sucs.org/~sits/
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