On Mon, 5 Jun 2006 08:28:07 +0800
Fengguang Wu <[email protected]> wrote:
> On Sun, Jun 04, 2006 at 01:50:11PM -0700, Andrew Morton wrote:
> > readahead-kconfig-options.patch
> [...]
> > It's early days yet - needs heaps more performance testing. The results
> > from "Linux Portal" <[email protected]> were discouraging.
>
> I found this mail from the lkml archive, did you happen to have more
> results?
>
Sorry, I had the wrong tester. Voluspa <[email protected]>: "Conclusion: On
_this_ machine, with _these_ operations, Adaptive Readahead in its current
incarnation and default settings is a _loss_."
>
> There is an interesting (although simple) benchmark of Wu's adaptive
> readahead patchset (v12) together with graphs here:
>
> http://linux.inet.hr/adaptive_readahead_benchmark.html
>
> In that simple test it definitely looks promising (3x speedup).
That's postgreql again.
We know there's a problem at present with postgresql. Has anyone tried to
fix it, without going and rewriting everything?
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
