Use the Group Management Service page to change GMS settings.
The Group Management Service (GMS) is an in-process service that provides cluster monitoring, cluster membership, and group communication services. The GMS is built atop a configurable stack of group membership discovery and health monitoring protocols. The GMS performs the following functions:
Notifies registered modules in a GlassFish Server instance when one or more member instances are added to or removed from a cluster, or are suspected or confirmed to have failed.
Provides the ability to send and receive messages between a group of processes.
The Group Management Service page contains the following options.
Button to restore the default values of all the settings.
The number of monitoring attempts after which a server instance failure is suspected. The default is 3.
The period of time between monitoring attempts. The default is 2000 milliseconds.
The amount of time that the GMS waits for discovery of other cluster members. The default is 5000 milliseconds.
The amount of time after which a suspected failure is marked as verified. The default is 1500 milliseconds.
Additional properties for the Group Management Service.
The GlassFish Server does not define any additional GMS properties.