Hey Andrea,

Thanks for the reply!  I appreciate your input!

Sure enough - that was the module (hz-cluster-plugin).  I've installed it
and it works great, alongside JDBC and also using AWS EFS for the Geoserver
data directory.  I think I agree with your assessment, it's not really
clustering as much as it is just keeping the configuration in sync across
all nodes.

For anyone using Hazelcast or has some idea - does anyone know if I set the
clustering option to event instead of reload in clustering.properties does
it still do a full reload of the config?  Or is it only updating the single
change across all nodes?  I.e. if I change a style in a layer on one node,
I can confirm that change is replicated across all nodes, but did it just
run a reload config on all the other nodes or is it a bit smarter than that?

Any guidance or documentation I could read would be helpful!  Thanks so
much for all your support!

Thanks,
Jason

On Fri, Apr 19, 2019 at 12:53 PM Andrea Aime <andrea.a...@geo-solutions.it>
wrote:

> Hi Jason,
> I believe the Hazelcast clustering module alone does not really clusters
> anything, it just helps
> to keep the cluster up to date when you are using jdbcconfig.
>
> The community modules are not part of releases (as they lack a
> maintainer), if they are built at all you can
> find them among the nightly builds, see here:
> https://build.geoserver.org/geoserver/
> in particular, say you want the community modules for 2.15.x, here:
> https://build.geoserver.org/geoserver/2.15.x/community-latest/
>
> I see a hz-cluster module in there, should be the one (not 100% sure, I'm
> not using it).
>
> Cheers
> Andrea
>
>
>
> On Mon, Apr 15, 2019 at 7:28 PM Jason Cradit <jasoncra...@gmail.com>
> wrote:
>
>> Hello - I've been looking into clustering and would like to follow the
>> Hazelcast approach instead of the JMS.  However, I'm striking out finding
>> the installation.  I don't see it in the community modules.
>>
>> Any guidance on finding the download for it?
>>
>> Thanks,
>> Jason
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>>
>> If you want to request a feature or an improvement, also see this:
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>>
>>
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>
>
> --
>
> Regards, Andrea Aime == GeoServer Professional Services from the experts!
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> @geowolf Technical Lead GeoSolutions S.A.S. Via di Montramito 3/A 55054
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Geoserver-users mailing list

Please make sure you read the following two resources before posting to this 
list:
- Earning your support instead of buying it, but Ian Turton: 
http://www.ianturton.com/talks/foss4g.html#/
- The GeoServer user list posting guidelines: 
http://geoserver.org/comm/userlist-guidelines.html

If you want to request a feature or an improvement, also see this: 
https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer


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