linux-kernel - Re: Mainline kernel OLTP performance update

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Date:	Thu, 15 Jan 2009 16:27:35 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Nick Piggin <nickpiggin@...oo.com.au>
Cc:	matthew@....cx, matthew.r.wilcox@...el.com, chinang.ma@...el.com,
	linux-kernel@...r.kernel.org, sharad.c.tripathi@...el.com,
	arjan@...ux.intel.com, andi.kleen@...el.com,
	suresh.b.siddha@...el.com, harita.chilukuri@...el.com,
	douglas.w.styner@...el.com, peter.xihong.wang@...el.com,
	hubert.nueckel@...el.com, chris.mason@...cle.com,
	srostedt@...hat.com, linux-scsi@...r.kernel.org,
	andrew.vasquez@...gic.com, anirban.chakraborty@...gic.com
Subject: Re: Mainline kernel OLTP performance update

On Thu, 15 Jan 2009 18:24:36 +1100
Nick Piggin <nickpiggin@...oo.com.au> wrote:

> Given that SLAB and SLUB are fairly mature, I wonder what you'd think of
> taking SLQB into -mm and making it the default there for a while, to see
> if anybody reports a problem?

Nobody would test it in interesting ways.

We'd get more testing in linux-next, but still not enough, and not of
the right type.

It would be better to just make the desision, merge it and forge ahead.

Me, I'd be 100% behind the idea if it had a credible prospect of a net
reduction in the number of slab allocator implementations.

I guess the naming convention will limit us to 26 of them.  Fortunate
indeed that the kernel isn't written in cyrillic!


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