[Hawkular-dev] The components, glue and kettle

[Michael Burman]

Hi,

More like the bus is only a JMS topic with "distributed" not meaning probably what you hoped for. Since it's based on the ActiveMQ5 it's in HA configuration a single broker with master/slave (which with replicated LevelDB storage would then have ZooKeeper and everything else that's massively complex to manage). So nothing like the networks created by Hazelcast (eg. Vert.x underlying messaging infrastructure) / Storm / Spark / Cassandra / etc.

These restrictions create their own headache when it comes to scaling in Kubernetes for example, but I don't think we need to solve this issue quite yet. Creating components without locking them to a JMS is the key forward however as that would allow changing the implementation if requirements dictate such in the future.

  - Micke

----- Original Message -----
From: "Juraci Paixão Kröhling" <jpkroehling at redhat.com>
To: hawkular-dev at lists.jboss.org
Sent: Wednesday, May 13, 2015 1:03:13 PM
Subject: Re: [Hawkular-dev] The components, glue and kettle

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On 05/13/2015 11:53 AM, Michael Burman wrote:
> I disagree with the fact where the actual bus-integration component
> should reside. The components themselves should have the
> capabilities of allowing another component to connect to their
> internal "feeds" but the actual component -> bus  connector should
> be in the Kettle-repository. Why? The bus-connector is highly
> dependent on the actual bus implementation. If we would change the
> bus in any way in terms of implementation or API, it would require
> changes to every Hawkular component (thus, they wouldn't be
> decoupled by design) instead of only changing the implementation at
> the bus-component.

I haven't worked with the bus yet, but isn't "the bus" just a synonym
for "a distributed JMS topic" ?

- - Juca.
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