Re: Mainline kernel OLTP performance update

[Andi Kleen]

"Zhang, Yanmin" <yanmin_zhang@xxxxxxxxxxxxxxx> writes:


> I think that's because SLQB
> doesn't pass through big object allocation to page allocator.
> netperf UDP-U-1k has less improvement with SLQB.

That sounds like just the page allocator needs to be improved.
That would help everyone. We talked a bit about this earlier,
some of the heuristics for hot/cold pages are quite outdated
and have been tuned for obsolete machines and also its fast path
is quite long. Unfortunately no code currently.

-Andi


-- 
ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
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