Re: Linux 2.6.29

Jeff Garzik
2009-04-03T23:48:45Z

Linus Torvalds wrote:
> "fio" does well:
>
> http://git.kernel.dk/?p=fio.git;a=summary

Neat tool, Jens...

> and I think it comes with a few example files. Here's the random write
> file that Jens suggested, and that works pretty well..
>
> It first creates a 2GB file to do the IO on, then does random 4k writes to
> it with O_DIRECT.
>
> If your SSD does badly at it, you'll just want to kill it, but it shows
> you how many MB/s it's doing (or, in the sucky case, how many kB/s).

heh, so far, the SSD is poking along...

Jobs: 1 (f=1): [w] [2.5% done] [ 0/ 282 kb/s] [eta 02h:24m:59s]

Compared to the same job file, started at the same time, on the Seagate
500GB SATA:

Jobs: 1 (f=1): [w] [9.9% done] [ 0/ 1204 kb/s] [eta 26m:28s]

Regards,

Jeff