RE: tool for testing how fast your kernel can rename files :-)

[Folkert van Heusden]

> have a tool
> which creates a number of files in a directory and then starts to randomly
> rename them. During this, it should output how much it has done and how
> many renames per second it did.
> 5 minutes back I programmed such a program, you can download it from:
> http://www.vanheusden.com/Linux/rename_test-1.0.tgz
CW> Here's a suggestion:
CW> Take one Very Old Kernel (say, 2.4.2)
CW> and one Very New Kernel (2.5.59 ??)
CW> Run your test on both, and see what differences you see.
CW> If you see a change greater than 10%, that's a sign your test is
CW> useful...or not.

Ok, I do not have a system with a 2.5 kernel, but here are some results
anyway:

after 210.000 renames:
2.2.20 ext2 1535/s
2.4.20 ext2 3087/s !!
       ext3 1263/s !?