linux-kernel - Re: read-ahead in NFS server

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Message-ID: <c70ff3ad0712270738v2551224ft5694a5673c37aa3c@mail.gmail.com>
Date:	Thu, 27 Dec 2007 17:38:57 +0200
From:	"saeed bishara" <saeed.bishara@...il.com>
To:	"Jeff Garzik" <jeff@...zik.org>
Cc:	linux-kernel@...r.kernel.org,
	"NFS list" <linux-nfs@...r.kernel.org>
Subject: Re: read-ahead in NFS server

>
> I bet
>         TCP + fewer revalidations + greater local pagecache activity
> uses less cpu power than
>         UDP + revalidations + rx/tx network activity
what do you mean by revalidations?
the workload of the client going to be large sequential IO's, so does
the local pagecache is necessary for this case?

saeed
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