[collectd] Questions on the DNS plugin

[Tris Hoar]

HI,

I've been looking at setting collectd up to provide more information on 
what OUR DNS servers are doing. I've setup the DNS plugin on a test 
server, and its working fine. However I've got a couple of questions.
Firstly, it seams to only support UDP connections. Whilst only a small 
%age of our requests are TCP, I'd still like to account for them. Is 
there any way to enable it to collect TCP?
Secondly, what is the DNS_Octets graph actually reporting? Its not QPS, 
I'm fairly sure its not bit/s, and I do not think it's Packets/s. So if 
none of those 3 what is it!

For info, I'm using RHEL6 and installing collectd from EPEL, which 
currently is using Version 4.10.7.

Thanks for any pointers,

Regards

Tris

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