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Re: [lvs-users] ldirectord on multiple cores and multiple NICs?

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [lvs-users] ldirectord on multiple cores and multiple NICs?
From: Joseph Mack NA3T <jmack@xxxxxxxx>
Date: Thu, 11 Dec 2008 07:14:43 -0800 (PST)
On Thu, 11 Dec 2008, Arndt Roth wrote:

> Thanks for all your replies.
> I just wanted to avoid a setup, where one core would get the full load
> (the others idling) while trying to handle all network throuput.

(someone correct me if I'm wrong..., I don't really know too 
much about this)

There'll ony be one instance of the kernel/ip_vs() running. 
Whether it's parked on one cpu or moves around is the 
business of the kernel not you.

> So, there is no easy way (and it doesn't make any sense) to tell the
> kernel to handle each NICs traffic with a particular core.

I didn't realise you could have affinity with a NIC till 
Horms pointed it out. I thought the packets were sent to the 
routing table, which choose the NIC. I didn't think ip_vs 
could have any affect on which NIC would be handling the 
packets.

Joe
-- 
Joseph Mack NA3T EME(B,D), FM05lw North Carolina
jmack (at) wm7d (dot) net - azimuthal equidistant map
generator at http://www.wm7d.net/azproj.shtml
Homepage http://www.austintek.com/ It's GNU/Linux!

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