Thanks for the detailed reply. Will try it out.
On Sun, Feb 13, 2011 at 5:08 AM, Hugh Williams wrote:
> Hi Abhi,
>
> Although O_DIRECT can be enabled for those OS'es that support it, testing
> performed by development has shown no evidence of performance improvements
> hosting large databases on
Hi Abhi,
Although O_DIRECT can be enabled for those OS'es that support it, testing
performed by development has shown no evidence of performance improvements
hosting large databases on any of the OS;es tested on.
If testing on Linux their is a kernel configuration called "swappiness" that
con
Sorry for the delayed response, I am not very clear as to how o_direct
works. If I am not mistaken, I think it has to do something with OS page
caching, where virtuoso also caches data and OS also caches data in the form
of page files and this double caching is avoided with the o_direct
parameter.
Hi Abhi,
Is this a Unix or Virtuoso question ie do you want to know what OS'es support
it or on what OS'es Virtuoso supports it ?
Best Regards
Hugh Williams
Professional Services
OpenLink Software
Web: http://www.openlinksw.com
Support: http://support.openlinksw.com
Forums: http://boards.openli
Is there a list of OSes that support the O_DIRECT param or does anybody know
how do i find whether a particular OS supports it?
--
Cheers,
Abhi
