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https://issues.jboss.org/browse/WFLY-1066?page=com.atlassian.jira.plugin....
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Brian Stansberry commented on WFLY-1066:
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Thanks, Dominik.
We'll need something where servers publish data only when it changes and then they can
perform some sort of very simple query to read. Having servers do a complex set of queries
to analyze the domain won't scale. For example, JGroups discovery runs periodically,
both when a channel connects and when merge protocols like MERGE3 run. So in a large
cluster we can't have possibly hundreds of nodes performing multiple ops reading
data.
Automatic configuration of 'Initial_hosts' for a cluster
using JGroups TCP-stack in domain mode (aka DOMAIN_PING)
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Key: WFLY-1066
URL:
https://issues.jboss.org/browse/WFLY-1066
Project: WildFly
Issue Type: Feature Request
Components: Domain Management
Environment: Server running in Domain mode
Reporter: Wolf-Dieter Fink
Assignee: Tristan Tarrant
Labels: clustering, domain, jgroups
It is complicated to keep the subsystem JGroups in sync if the tcp-stack is used in
domain mode.
All new servers that join/leave a clustered server group (configuration) must be added or
removed by hand for the jgroup configuration.
The domain server will receive the informations if a host-controller enrol and register
server to a clustered server-group.
So the configuration of the initial_hosts can be done automaticaly to avoid old entries
which cause unnecessary checks and ensure that all active servers are known.
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