linux-kernel - Re: Reading /proc/slabinfo causes stalls

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Message-ID: <0000013a6b0b92ae-fd5b1482-e870-4bbd-b5ac-de75b1b25177-000000@email.amazonses.com>
Date:	Tue, 16 Oct 2012 19:27:31 +0000
From:	Christoph Lameter <cl@...ux.com>
To:	Avleen Vig <avleen@...il.com>
cc:	David Rientjes <rientjes@...gle.com>,
	Pekka Enberg <penberg@...nel.org>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: Reading /proc/slabinfo causes stalls

On Tue, 16 Oct 2012, Avleen Vig wrote:

> There were some concerns that it doesn't perform as well as SLAB on
> large hardware (we're almost always running >16G RAM, and regularly
> >96G RAM on things like memcache servers).
> If the performance pans out, SLUB would be great.

We have been using SLUB here for years with servers up to 256G RAM and
64 processors in both HPC and Enterprise environments.


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