[Stgt-devel] Re: [Iscsitarget-devel] write performance examples ?

ming.zhang.china at gmail.com ming.zhang.china at gmail.com
Mon Apr 17 03:44:55 CEST 2006


btw, stgt can directly work on page cache because it uses mmap
interface?

On Sun, 2006-04-16 at 21:20 -0400, Ming Zhang wrote:
> 
> > 
> > Anyway, stgt is directly read from and write to page cache unlike
> > IET. Ardis target code also does in a hacky way. I didn't like it so
> > IET does memory copies between page cache and allocated kernel
> buffer.
> 
> base on oprofile results, the memory copy between page cache and
> kernel
> buffer is a main cost here in IET. do u have performance comparison on
> stgt and iet on this?
> 



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