[Hawkular-dev] Is this an applicable use-case for Hawkular

[Anton Hughes]

Coming back to my original question - and based on some further thinking
and reading of the Hawkular website, I have the following thoughts.

On the Hawkular website, it is written:

For who ?
> There are primarly (BTW - this is spelled incorrect) two types of users.
> Users who wants a toolkit to do server/*system monitoring in general, for
> them we provide a rich REST API to store metrics, trigger alerts* and
> manage an inventory of resources
> Users who want a full-fledge admin console to monitor and manage
> middleware servers (Currently, only WildFly <http://www.wildfly.org/> is
> supported)

I've highlighted the general area that I am most interested - and I think
many others would be too.
Please take a quick look at
http://martinfowler.com/eaaDev/EventSourcing.html. Event Sourcing places
emphasis on events of interest - in the Shipping example in this link the
interesting events are:

   - Ship Arrives
   - Ship Departs

To be able store (store metrics?) and react (trigger alert) in this example
would be very beneficial in many situations.

I hope this helps to illustrates my use-case.

On 29 October 2015 at 14:34, Jay Shaughnessy <jshaughn at redhat.com> wrote:

>
> Anton, yes, it can be a little confusing.  The Hawkular project is an
> end-to-end monitoring and management tool focused on Red Hat software.
> Today it basically offers a Wildfly agent for discovering and managing app
> servers, their hosted apps, and all of the things that make up those apps.
> What is can handle grows with every release.  Hawkular leverages a bunch of
> components to perform that job.  There is HK-Inventory to represent a
> network of inventories resources (like an app server, a datasource, a jvm,
> etc), HK-Metrics as a Cassandra-backed time-series store, HK-Alerts as a
> Drools-backed alerting tool, HK-Accounts as a KeyCloak backed
> multi-tenant/auth/authz tool, HK-Console for UI, HK-Bus for a comm
> backbone, etc..
>
> Some of the HK components, namely HK-Metrics and HK-Alerts support
> standalone deployment outside of Hawkular.  They are named Hawkular-Metrics
> and Hawkular-Alerts because they have been developed as part of the
> Hawkular project, but they can be used independently.  Hope that helps...
>
>
> On 10/29/2015 9:16 AM, Anton Hughes wrote:
>
>
> On 29 October 2015 at 14:12, Jay Shaughnessy <jshaughn at redhat.com> wrote:
>
>> Metrics and Alerts can both be used outside of the Hawkular framework so
>> really you can store any metric you like, or alert on basically any data
>> you like.  As for Events, the next release of Hawkular Alerts (0.6.0) will
>> include a new Events feature that you may find interesting.  Whereas Alerts
>> are relatively rare, typically involve human interaction, and run through a
>> simple life-cycle; Events are likely much more numerous, representing any
>> sort of happening that a client wants to persist.  The interesting thing
>> about Events in HK-Alerts is that they can be inserted directly via API or
>> can be generated via Trigger, like an Alert.  And Events can also be used
>> as Trigger conditions, to contribute to further Alert or Event generation.
>
>
> Thanks Jay - this sounds really cool!
>
> I have heard a few times now that hawkular components can be used outside
> of the hawkular framework. What exactly is the hawkular framework? As an
> outsider I am learning about Hawkular and its features. There is good
> documentation on the features, but the underlying framework, not so much.
>
> Also, regarding documentation, I could not find how to store any 'metric'
> or data. Specifically, I am looking to store not just a metric but a pojo.
>
>
>
>
> --
> Anton Hughes
>
>
>
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-- 
Anton Hughes
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