| Package | Description | 
|---|---|
| com.hazelcast.internal.diagnostics | Contains functionality what is happening in a HazelcastInstance. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | BuildInfoPluginA  DiagnosticsPluginthat displays the build info. | 
| class  | ConfigPropertiesPluginA  DiagnosticsPluginthat displays theConfig.getProperties(). | 
| class  | EventQueuePluginThe EventQueuePlugin checks the event queue and samples the event types if the size is above a certain threshold. | 
| class  | InvocationPluginA  DiagnosticsPluginthat displays all invocations that have been executing for some time. | 
| class  | MemberHazelcastInstanceInfoPluginPrints all kinds of Hazelcast member specific info. | 
| class  | MemberHeartbeatPluginA Diagnostics plugin that checks the quality of member/member heartbeats. | 
| class  | MetricsPluginA  DiagnosticsPluginthat displays the content of theMetricsRegistry. | 
| class  | NetworkingImbalancePluginThe  NetworkingImbalancePluginis an experimental plugin meant for detecting imbalance in the IO system. | 
| class  | OperationHeartbeatPluginA diagnostics plugin that checks how the network is behaving by checking deviations in Operation-heartbeats to assist with
 network related problems like split-brain. | 
| class  | OverloadedConnectionsPluginThe OverloadedConnectionsPlugin checks all the connections and samples the content of the packet
 queues if the size is above a certain threshold. | 
| class  | PendingInvocationsPluginA  DiagnosticsPluginthat aggregates the pending invocation so that per type of operation, the occurrence
 count is displayed. | 
| class  | SlowOperationPluginA  DiagnosticsPluginthat displays the slow executing operations. | 
| class  | StoreLatencyPluginA  DiagnosticsPluginthat helps to detect if there are any performance issues with Stores/Loaders like e.g. | 
| class  | SystemLogPluginThe  SystemLogPluginis responsible for:
 
 Showing lifecycle changes like shutting down, merging etc.
 Show connection creation and connection closing. | 
| class  | SystemPropertiesPluginA  DiagnosticsPluginthat displays the system properties. | 
| Modifier and Type | Method and Description | 
|---|---|
| <P extends DiagnosticsPlugin> | Diagnostics. getPlugin(Class<P> pluginClass)Gets the plugin for a given plugin class. | 
| Modifier and Type | Method and Description | 
|---|---|
| void | Diagnostics. register(DiagnosticsPlugin plugin)Registers a  DiagnosticsPlugin. | 
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