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Clusters: Control: Singleton Service Migration
Column Display Related Tasks Related Topics
This page lists the singleton services that are configured within this cluster. You can use this page to perform a manual migration.
Column Display
You can show fewer or additional data points on this page by expanding Customize this table and modifying the Column Display list. Each data point displays in its own table column.
The following table lists all of the data points that you can display in columns on this page.
Name Description Name The name of this singleton service.
MBean Attribute:
SingletonServiceMBean.NameChanges take effect after you redeploy the module or restart the server.
Active If true, then this singleton service is currently active and available in the cluster.
Class Name The fully qualified name of a class to load and run. The class must be on the server's classpath.
For example,
mycompany.mypackage.myclassMBean Attribute:
SingletonServiceMBean.ClassNameChanges take effect after you redeploy the module or restart the server.
Cluster Name Returns the cluster this singleton service is associated with.
MBean Attribute:
SingletonServiceMBean.ClusterChanges take effect after you redeploy the module or restart the server.
Current Server If active, this is the server that this SingletonService is currently being hosted on.
Preferred Server Returns the server that the user prefers the singleton service to be active on.
MBean Attribute:
SingletonServiceMBean.UserPreferredServerCandidate Servers Return a list of servers that are candiates to host the services deployed to this migratable target. If the ConstrainedCandidateServer list is empty, all servers in the cluster are returned. If the ConstrainedCandidateServer is not empty those servers only will be returned. The user preferred server will be the first element in the list returned.
MBean Attribute:
SingletonServiceMBean.AllCandidateServers
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