[Hawkular-dev] [metrics] Internal stats?

[Heiko W.Rupp]

I have (finally) opened https://issues.jboss.org/browse/HWKMETRICS-619
for this.

On 30 Jan 2017, at 16:12, John Sanda wrote:

> Not that I think this is a bad idea, but it is the first I have heard 
> about the per tenant metrics. Where is this feature 
> request/requirement coming from? I’d just like some context.
>> On Jan 30, 2017, at 5:50 AM, Heiko W.Rupp <hrupp at redhat.com> wrote:
>>
>> Hey,
>>
>> what internal stats of the Hawkular metrics do we currently collect?
>> I think Joel did some work for the C* part.
>>
>> What I think we need is
>> - number of data points stored on a per tenant basis.
>> Resolution could be something like "last minute" or
>> "last 5 minutes" I.e. not realtime updates in the table.
>> - Total number of data points (i.e. sum over all tenants)
>>
>> Query stats. This is probably more complicated, as
>> querying on metrics that are still in some buffer is
>> cheaper than over 3 years of raw data.
>> To get started I'd go with # of queries per tenant and global
>> Those could perhaps be differentiated on
>>
>> raw endpoint
>> stats endpoint
>> What about alerting? More alert definitions certainly
>> need more cpu, so number of alert definitions per tenant
>> and total would be another pair.
>>
>> does number of fired alerts also make sense?
>> The idea behind those is to get some usage figures of the
>> shared resource "Hawkular metrics" and then to be able to
>> charge them back onto individual tenants e.g. inside of
>> OpenShift.
>>
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>
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