observed significant performance improvement using "delaylog" in a real-world application

[Dave Chinner]

On Wed, Aug 11, 2010 at 07:01:31PM +0200, Peter Niemayer wrote:
> On 08/11/2010 02:28 PM, Michael Monnerie wrote:
> >Thank you. Are those files located within one dir or do you use a hash
> >structure like squid cache does?
> 
> There's only a shallow hierarchy (for functional, not for distribution
> reasons), so the relevant directories have thousands of files in them.
> 
> I think after the "ext2"-age no serious file system ever had
> a real problem dealing with lots of files in one directory -
> or do you have contradicting information?

Define "lots of files". :)