Re: namei caching of newly created files?

On Thu, Jan 20, 2005 at 12:55:22AM +0100, Havard Eidnes wrote:
> pm>run
> Creating files...Done
> Performing transactions..........Done
> Deleting files...Done
> Time:
>         71 seconds total
>         57 seconds of transactions (877 per second)
> 
> Files:
>         45093 created (635 per second)
>                 Creation alone: 20000 files (2500 per second)
>                 Mixed with transactions: 25093 files (440 per second)
>         24789 read (434 per second)
>         25184 appended (441 per second)
>         45093 deleted (635 per second)
>                 Deletion alone: 20186 files (3364 per second)
>                 Mixed with transactions: 24907 files (436 per second)

Is the performance of manipulating a single direcory with 45,000 entries
even something we care about?  Who would ever put 45,000 files into a
single directory?  Who would even put 100 files into a directory if getting
a directory listing takes two or more screens just to display?

Eduardo