Re: [PATCH 00/23] per device dirty throttling -v8

Jeff Garzik
2007-08-04T20:28:43Z

Alan Cox wrote:
> In some setups it will and in others it won't. Nor is it the only
> application that has this requirement. Ext3 currently is a standards
> compliant file system. Turn off atime and its very non standards
> compliant, turn to relatime and its not standards compliant but nobody
> will break (which is good)

Linux has always been a "POSIX unless its stupid" type of system. For
the upstream kernel, we should do the right thing -- noatime by default
-- but allow distros and people that care about rigid compliance to
easily change the default.

(from another message)
> If you want to sort this in Fedora for example you just need to package
> and announce a desktop-tuning rpm which makes the relevant updates on
> install and reverses them on remove. Stick the scheduler/vm tuning values
> in as well and the disk queue tweaks.
>
> Regardless of the kernel defaults people will install such a package
> en-mass...

<chuckle> Sounds like an effective idea :)

Though strictly in the context of atime vs. noatime, servers benefit
from that too, not just desktop.

Jeff