[jgroups-users] Ability to set the coordinator programaticaly and the ability to maintain a shared state

Hi all,

I am new to jGroups but I found this is an elegant library for cluster
management. I have 2 main requirements for one of my projects.

First, is it possible to programmatically change the coordinator of
the jGroups cluster?. I am using the jgroups coordinator as the application
level master (for some domain-specific application) of the server's
cluster. But for a given server to become the application level master
there are some application level criteria to be fulfilled. So in case of
the jGroups coordinator cannot fulfill those requirements I want to change
the coordinator of the jGroups programmatically. I found [1] for this
purpose, but I wanted to understand whether this is a reliable method or is
there any side effects of doing this. If there is a recommanded approach,
please share that with me.

The second question is about the ability to maintain a shared state. Is it
possible to maintain a state which is visible across the cluster?. So the
changes are synchronized among the available members and visible to all
members without explicit message passing about the changes.

[1]
https://github.com/belaban/JGroups/wiki/Changing-the-coordinator-of-a-cluster

Thanks & Regards!
Tharindu,

Tharindu Munasinghe.
Undergraduate, Department of Computer Science and Engineering
University of Moratuwa.
Contact no. +94770460887

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