[jboss-jira] [JBoss JIRA] (WFLY-6841) Add backup service support for singleton services

[Paul Ferraro (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-6841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13314115#comment-13314115 ] 

Paul Ferraro commented on WFLY-6841:
------------------------------------

Restating this jira as a bug, since apparently "Feature request" is too loaded.

> Add backup service support for singleton services
> -------------------------------------------------
>
>                 Key: WFLY-6841
>                 URL: https://issues.jboss.org/browse/WFLY-6841
>             Project: WildFly
>          Issue Type: Feature Request
>          Components: Clustering
>    Affects Versions: 10.0.0.Final
>            Reporter: Paul Ferraro
>            Assignee: Paul Ferraro
>             Fix For: 11.0.0.Alpha1
>
>
> Currently, singleton services are started on the primary node only - no service is started on the backup nodes.  We can generalize this use case by building a singleton service using 2 services: one to be started on the primary node, and the other to be installed on backup nodes.  When a node is elected as the primary provider, we stop the backup service, and start the primary service.  Conversely, when a primary node loses a re-election, it stops its primary service and starts its backup service.



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