Re: [pmacct-discussion] Reporting on additional primitives

[Yann Belin]

Hi Paolo,

Sorry for the late reply, I was busy rebuilding our test lab and had to
leave my Netlfow experiments aside for a while.

Thanks for the your response, I understand the constraints. I will use perf
counters as an aggregator for now, it will probably add some I/O load and
storage needs but all-in-all it is still better than non-aggregating
solutions and - as you said - I can do the aggregation myself.

Cheers,

Yann




On Sat, Dec 17, 2016 at 4:45 PM Paolo Lucente  wrote:

>
> Hi Yann,
>
> You remember i was saying of the current limitations of the
> aggregate_primitives framework. That's it: you can add key primitives
> to the aggregation method but you can't add non-key ones on which, for
> exxample, you want to perform operations (ie. sum like in the case of
> bytes and packets). It is on my todo list to add such feature although
> priority is not high. This all said, what i must be realistic is i was
> not thinking to include 'advanced' operators like average (as that would
> introduce a whole new behaviour, ie. cache entries de-aggregated in
> memory then consolidte on purge [to make the average work]). What i may
> suggest as workaround is to use the aggregate_primitives framework you
> have today and make the averages yourself by post-processing the output.
>
> Cheers,
> Paolo
>
> On Thu, Dec 15, 2016 at 01:44:16PM +0100, Yann Belin wrote:
> > Hello,
> >
> > I am looking for a way to report on additional primitives with nfacct.
> > It does by default with bytes and packets but I cannot find how to add
> > extra fields. Am I missing something?
> >
> > What I want to include in reports is application performance
> > information (rtd, packet-loss, etc.) from Cisco devices, as described
> > on the link below. For a given flow, I would like to store an
> > aggregated version (e.g. average) of this data.
> >
> >
> http://www.cisco.com/c/en/us/td/docs/ios/media_monitoring/configuration/guide/15_1m_and_t/mm_15_1m_and_t/mm_pasv_mon.html
> .
> >
> >
> > Thanks,
> >
> > Yann
> >
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>
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Re: [pmacct-discussion] Reporting on additional primitives

[Paolo Lucente]

Hi Yann,

You remember i was saying of the current limitations of the
aggregate_primitives framework. That's it: you can add key primitives
to the aggregation method but you can't add non-key ones on which, for
exxample, you want to perform operations (ie. sum like in the case of
bytes and packets). It is on my todo list to add such feature although
priority is not high. This all said, what i must be realistic is i was
not thinking to include 'advanced' operators like average (as that would
introduce a whole new behaviour, ie. cache entries de-aggregated in
memory then consolidte on purge [to make the average work]). What i may
suggest as workaround is to use the aggregate_primitives framework you
have today and make the averages yourself by post-processing the output. 

Cheers,
Paolo

On Thu, Dec 15, 2016 at 01:44:16PM +0100, Yann Belin wrote:
> Hello,
> 
> I am looking for a way to report on additional primitives with nfacct.
> It does by default with bytes and packets but I cannot find how to add
> extra fields. Am I missing something?
> 
> What I want to include in reports is application performance
> information (rtd, packet-loss, etc.) from Cisco devices, as described
> on the link below. For a given flow, I would like to store an
> aggregated version (e.g. average) of this data.
> 
> http://www.cisco.com/c/en/us/td/docs/ios/media_monitoring/configuration/guide/15_1m_and_t/mm_15_1m_and_t/mm_pasv_mon.html.
> 
> 
> Thanks,
> 
> Yann
> 
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> pmacct-discussion mailing list
> http://www.pmacct.net/#mailinglists

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[pmacct-discussion] Reporting on additional primitives

[Yann Belin]

Hello,

I am looking for a way to report on additional primitives with nfacct.
It does by default with bytes and packets but I cannot find how to add
extra fields. Am I missing something?

What I want to include in reports is application performance
information (rtd, packet-loss, etc.) from Cisco devices, as described
on the link below. For a given flow, I would like to store an
aggregated version (e.g. average) of this data.

http://www.cisco.com/c/en/us/td/docs/ios/media_monitoring/configuration/guide/15_1m_and_t/mm_15_1m_and_t/mm_pasv_mon.html.


Thanks,

Yann

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