On Wed, 2006-05-03 at 10:59, Michael Stone wrote:
> On Wed, May 03, 2006 at 09:19:52AM -0400, Jeff Trout wrote:
> >Bonnie++ is able to use very large datasets. It also tries to figure
> >out hte size you want (2x ram) - the original bonnie is limited to 2GB.
>
> Yes, and once you get into large datasets like that the quality of the
> data is fairly poor because the program can't really eliminate cache
> effects. IOW, it tries but (in my experience) doesn't succeed very well.
I have often used the mem=xxx arguments to lilo when needing to limit
the amount of memory for testing purposes. Just google for limit memory
and your bootloader to find the options.
