[jboss-as7-dev] Additional info on metrical attributes

[Heiko W.Rupp]

Brian,

Am 19.04.2011 um 17:41 schrieb Brian Stansberry:

> Subsystem devs: see "Arbitrary Descriptors" section on [1] to see how 
> the requested info can be added to resource descriptions. Let's use this 
> list and that wiki come up with common units; i.e. describe what you 
> intend to do on this list and once there is consensus add it to the wiki.

I see that in [1] you are already referring to the RHQ units :)


> Heiko, please provide the terms you want for the steadily 
> climbing/falling vs "arbitrary" metric thing.

For monotonically increasing it is 'trendsup', for monotonically falling
it is 'trendsdown' and 'dynamic' otherwise - see [2].

RHQ also has the notion of "important metric" - that is one that the user
should see by default on the graphs. ErrorCount could be such a metric.
It would be nice if such a flag could be included too, as the subsystem-dev
is the one, who knows the semantics best. At most a handful of metrics
should be marked as important by default.

   Heiko


> 
> [1] http://community.jboss.org/docs/DOC-16317
[2] http://git.fedorahosted.org/git?p=rhq/rhq.git;a=blob_plain;f=modules/core/domain/src/main/java/org/rhq/core/domain/measurement/NumericType.java;hb=HEAD


> 
> On 4/19/11 10:00 AM, Heiko W.Rupp wrote:
>> Hi,
>> 
>> I know that we discussed that somewhat in Neuchâtel, but I don't recall any outcome:
>> 
>> For the http connector I see (I just took this as example, as this is one of the
>> few metrics that exist at all at the moment).
>> 
>>  "processingTime" =>  {
>>                 "type" =>  INT,
>>                 "access-type" =>  "metric",
>>                 "storage" =>  "runtime"
>>             },
>> 
>> For RHQ (and probably other management tools), this metric could use more information:
>> - units (is that seconds, millis, shoes) ?
>> - a textual description
>> - an indicator if this is a steadily climbing/falling metric or if values can be "arbitrary"
>> 
>> Can those be added please?
>> 
>>      Heiko
>> 
> 
> 
> -- 
> Brian Stansberry
> Principal Software Engineer
> JBoss by Red Hat
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