Re: [Rtg-yang-coord] Clearing all stats in a container

["Thomas D. Nadeau" <[e-mail]>]

> On Mar 6, 2015:7:29 AM, at 7:29 AM, Susan Hares <[e-mail]> wrote:
> 
> Juergen:
> 
> Thank you for this advice.  If you have time (before the Draft deadline) to
> look at the grouping of the statistics within the I2RS RIB, and provide us
> with advice on the groupings - it would be helpful.
> 
> Any other comments on the draft would aid the authors and the I2RS WG.  The
> authors would like comments sent to them until the IETF draft deadline.
> After that, I suspect the I2RS mail is best.  

	Please CC: NETMOD at this time just to keep the thread consistent. 

	--Tom


> 
> Sue 
> 
> -----Original Message-----
> From: Juergen Schoenwaelder [mailto:[e-mail]] 
> Sent: Thursday, March 05, 2015 11:16 AM
> To: Mahesh Jethanandani
> Cc: Susan Hares; [e-mail]
> Subject: Re: [Rtg-yang-coord] Clearing all stats in a container
> 
> Hi,
> 
> it was generally found useful when we did the interfaces and ip YANG models
> to properly separate config data from state data. And this is not just
> counters, it could include other things where operational state can be
> different from the configured state.
> 
> /js
> 
> On Thu, Mar 05, 2015 at 08:07:02AM -0800, Mahesh Jethanandani wrote:
>> Susan,
>> 
>> Here is an relevant example (I have deleted description fields for
> brevity) from ietf-interface YANG module of how one could maintain
> statistics in a module. One reason to keep them in a container of their own
> is to be able to perform bulk operations on them. Of course, as Juergen
> pointed out, clearing stats may not be one of them. But if you wanted to say
> <get> all the stats on a particular module, you would do a <get> on the
> container i.e. statistics in this example, and you would have all the stats.
>> 
>> container interfaces-state {
>>    config false;
>> 
>> <snip>
>> 
>>    container statistics {
>>        description
>>          "A collection of interface-related statistics objects.";
>> 
>>        leaf discontinuity-time {
>>          type yang:date-and-time;
>>          mandatory true;
>>        }
>> 
>>        leaf in-octets {
>>          type yang:counter64;
>>        }
>> 
>>        leaf in-unicast-pkts {
>>          type yang:counter64;
>>       }
>> 
>>        leaf in-broadcast-pkts {
>>          type yang:counter64;
>>       }
>> 
>>       <snip>
>> 
>>        }
>>      }
>> }
>> 
>> HTH.
>> 
>>> On Mar 5, 2015, at 2:53 AM, Susan Hares <[e-mail]> wrote:
>>> 
>>> Mahesh:
>>> 
>>> Would you post an example of how to put statistic counters into a
> container.  We have multiple drafts in I2RS that provide such counters.  I
> will forward your advice to all authors so they can modify their yang
> modules to match the appropriate form. 
>>> 
>>> Sue
>>> 
>>> From: Rtg-yang-coord [mailto:[e-mail]] On 
>>> Behalf Of Mahesh Jethanandani
>>> Sent: Thursday, March 05, 2015 1:31 AM
>>> To: [e-mail]
>>> Subject: [Rtg-yang-coord] Clearing all stats in a container
>>> 
>>> Assuming one has defined stat counters in one container, like
> ietf-interfaces has done with its statistics, does anyone have suggestions
> on how one can essentially clear (reset to 0) all the counters in that
> container.
>>> 
>>> Mahesh Jethanandani
>>> [e-mail] <mailto:[e-mail]>
>> Mahesh Jethanandani
>> [e-mail]
>> 
>> 
>> 
>> 
>> 
> 
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> 
> 
> -- 
> Juergen Schoenwaelder           Jacobs University Bremen gGmbH
> Phone: [phone]         Campus Ring 1 | 28759 Bremen | Germany
> Fax:   [phone]         <http://www.jacobs-university.de/>
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