weblogic.management.runtime
Interface ClusterRuntimeMBean

All Superinterfaces:

DynamicMBean, HealthFeedback, MBeanRegistration, NotificationBroadcaster, ReplicationRuntimeMBean, RuntimeMBean, WebLogicMBean

public interface ClusterRuntimeMBean
extends ReplicationRuntimeMBean, HealthFeedback

This class is used for monitoring a server's view of the members of a WebLogic cluster within a WebLogic domain.

getAliveServerCount

int getAliveServerCount()

Provides the current total number of alive servers in this cluster.

Returns the current total number of alive servers in this cluster.

Returns:

The aliveServerCount value

getResendRequestsCount

long getResendRequestsCount()

Provides the number of state-delta messages that had to be resent because a receiving server in the cluster missed a message.

Returns the number of state-delta messages that had to be resent because a receiving server in the cluster missed a message.

Returns:

The resendRequestsCount value

getFragmentsSentCount

long getFragmentsSentCount()

Returns the total number of message fragments sent from this server into the cluster. This is applicable to both multicast and unicast message types.

Returns:

The fragmentsSentCount value

getFragmentsReceivedCount

long getFragmentsReceivedCount()

Provides the total number of messages received on this server from the cluster. This is applicable to both multicast and unicast message types.

Returns:

The fragmentsReceivedCount value

getSecondaryDistributionNames

String[] getSecondaryDistributionNames()

Deprecated. 10.3.0.0 deprecated in favor of getDetailedSecondariesDistribution

Provides the names of the remote servers (such as myserver) for which the local server is hosting secondary objects. The name is appended with a number to indicate the number of secondaries hosted on behalf of that server.

Returns:

The secondaryDistributionNames value

getMulticastMessagesLostCount

long getMulticastMessagesLostCount()

Provides the total number of in-coming multicast messages that were lost according to this server.

Returns:

The multicastMessagesLostCount value

getServerNames

String[] getServerNames()

Provides the names of the servers in the cluster.

Returns:

The serverNames value

getForeignFragmentsDroppedCount

long getForeignFragmentsDroppedCount()

Provides the number of fragments that originated in foreign domains or clusters which use the same multicast address.

Answer the number of fragments that originated in foreign domains/cluster that use the same multicast address.

Returns:

The foreignFragmentsDroppedCount value

getCurrentSecondaryServer

String getCurrentSecondaryServer()

Deprecated. 10.3.0.0. deprecated in favor of getSecondaryServerDetails

Returns:

Current secondary server name

getHealthState

HealthState getHealthState()

Provides health information returned by the server self-health monitor service.

• HEALTH_OK = 0, Server service is healthy.
• HEALTH_WARN = 1, Service could have problems in the future. Check the server logs and the corresponding RuntimeMBean for more details.
• HEALTH_CRITICAL = 2, Something must be done now to prevent service failure. Check the server logs and the corresponding RuntimeMBean for more details.
• HEALTH_FAILED = 3, Service has failed - must be restarted. Check the server logs and the corresponding RuntimeMBean for more details.
• HEALTH_OVERLOADED = 4, Service is functioning normally but there is too much work in it. CRITICAL and OVERLOADED are different. A subsystem is in the critical state when a part of it is malfunctioning, for example, stuck threads. An overloaded state means that there is more work assigned to the service than the configured threshold. A service might refuse more work in this state.
• LOW_MEMORY_REASON = "server is low on memory", Reason code that indicates that the server is low on memory. Administrators can configure low and high thresholds for memory usage. The server health changes to OVERLOADED with this reason code if the low threshold is reached.

Specified by:

getHealthState in interface HealthFeedback

See Also:

OverloadProtectionMBean

getCurrentMachine

MachineMBean getCurrentMachine()

Provides the current MachineMBean of the server. In most cases this is the MachineMBean that the server is configured to run on. The only time when this will not be true is if auto-migration is enabled. This method will report the current host machine for the server, in that case.

Returns:

MachineMBean of the machine currently hosting this server

getServerMigrationRuntime

ServerMigrationRuntimeMBean getServerMigrationRuntime()

Provides information about server migrations performed by this server. If the current server is not responsible for migrations, it points to the server that is responsible for it.

getJobSchedulerRuntime

JobSchedulerRuntimeMBean getJobSchedulerRuntime()

Provides information about past jobs executed on this server. Jobs must have been submitted to the JobScheduler functionality and should have executed atleast once on this server.

getUnicastMessaging

UnicastMessagingRuntimeMBean getUnicastMessaging()

Provides information about unicast messaging mode if enabled

getActiveSingletonServices

String[] getActiveSingletonServices()

Returns an array of the names of the Singleton Services that are active on this server.