What are the primary NCache Event types?

NCache publishes three main event types: Information (general system updates), Warning (non-critical issues like nodes leaving), and Error (critical failures such as service start errors or licensing expiration).

Which Event ID indicates that an NCache cluster node has joined?

Event ID 1006 with the source 'NCache' and type 'Information' is published whenever a node successfully joins the cluster.

How can I monitor Split-brain events in NCache?

Monitor Event ID 1024 for the start of a Split-brain process and IDs 1027, 1028, and 1029 to track the status of the Split-brain merge process.

Cache Event IDs

NCache provides support to view Events in the Windows Event Log, enabling monitoring of distributed cache clusters. This allows tracking of all such Events through Windows Event Viewer or any tool that supports the Windows Event Logger. You can use these specific Event IDs to configure custom monitoring and automated alerting on your own end. These Event types are categorized as Information, Warning, and Error to assist in rapid troubleshooting and health diagnostics.

The table below describes Cache Event IDs.

Event Name	ID	Source	Event Type	Description
CacheStart	1000	NCache	Information	Cache started successfully.
CacheStop	1001	NCache	Information	Cache stopped successfully.
CacheStartError	1002	NCache	Error, Warning	You do not have permission to perform this operation.
CacheStopError	1003	NCache	Error	Cache cannot be stopped due to an exception.
ClientConnected	1004	NCache	Information	Client has connected to the cache.
ClientDisconnected	1005	NCache	Information	Client has disconnected from the cache.
NodeJoined	1006	NCache	Information	Node has joined.
NodeLeft	1007	NCache	Warning	Node has left.
StateTransferStart	1008	NCache	Information	NCache has started state transfer.
StateTransferStop	1009	NCache	Information	NCache has completed state transfer.
StateTransferError	1010	NCache	Error	NCache has ended state transfer prematurely.
UnhandledException	1011	NCache, LoaderService	Error	An unhandled exception has occurred.
LoginFailure	1012	NCache	Error	An unhandled exception has occurred.
ServiceFailure	1013	NCache Service	Error	NCache Service fails to start, normally in case of a server reboot.
LoggingEnabled	1014	NCache	Information	Logging enabled successfully.
LoggingDisabled	1015	NCache	Information	Logging disabled successfully.
CacheSizeWarning	1016	NCache	Warning	Cache has exceeded its allocated cache size.
GeneralError	1017	NCache, NCacheBridgeServer, NCache Bridge, NBridgeSvc, LoaderService	Warning	NCache failed to open the log.
GeneralInformation	1018	NCache Bridge, NCache, LoaderService	Information	Any other information that cannot be defined using the current Event IDs.
ConfigurationError	1019	NCacheBridgeServer, NCache	Error	Bridge server failed to load configuration information.
LicensingError	1020	NCache, BridgeService	Error	NCache evaluation has expired. It cannot be extended anymore; therefore, purchase and activate an NCache license before expiration.
SecurityError	1021	NCache	Error	You do not have permission to perform this operation.
BadClientFound	1022	NCache	Information, Warning	Bad Client has been detected.
SplitBrain	1024	NCache	Information, Error	Split-brain process has started.
ServiceStart	1025	NCache	Information	NCache Service has started.
ServiceStop	1026	NCache	Information	NCache Service has stopped.
ClusterSplitMergeStarted	1027	NCache	Information	Split-brain merge process started.
ClusterSplitMergeCompleted	1028	NCache	Information	Split-brain merge process completed.
ClusterSplitMergeFailed	1029	NCache	Error	Split-brain merge process failed.
BridgeStartError	1030	NCache Bridge	Error	Error starting Bridge.
NetworkAlert	1031	NCache	Warning	Network usage on the cache server has crossed the configured health-alert threshold.
CPUAlert	1032	NCache	Warning	CPU usage on the cache server has crossed the configured health-alert threshold.
RequestsAlert	1033	NCache	Warning	Requests/sec on the cache server has crossed the configured health-alert threshold.
BridgeQueueAlert	1034	NCache	Warning	Bridge queue count has crossed the configured health-alert threshold.
ClientConnectionAlert	1035	NCache	Warning, Information	The number of connected clients has crossed the configured threshold, a client cache could not be initialized, stopped or reconnected, or a client switched to a secure (TLS) connection.
MirrorQueueAlert	1036	NCache	Warning	Mirror queue size (active or replica) has crossed the configured health-alert threshold.
WriteBehindQueueAlert	1037	NCache	Warning	Write-behind queue count has crossed the configured health-alert threshold.
CacheStopForMaintanice	1038	NCache	Information	Cache was stopped successfully for maintenance.
BridgeQueueFull	1039	NCache	Information	Bridge queue has become full.
CacheNodeConnectedToBridge	1040	NBridgeSvc	Information	A cache node has connected to the bridge.
MemoryAlert	1041	NCache	Warning	Memory usage on the cache server has crossed the configured health-alert threshold.
AverageCacheOperations	1042	NCache	Warning	Average time per cache operation (in microseconds) has crossed the configured health-alert threshold.
EmailSendingError	1045	NCache	Error	NCache failed to send an email alert notification.
EvictionTriggerd	1048	NCache	Warning	Eviction has been triggered for the cache.
BillingManagerID	1050	NCache Service, NCache	Information, Warning, Error	Billing manager status: started, failed, or stopped caches through the billing safety net.
CacheHostUnhealthy	1051	NCache	Error	A cache host process has become unhealthy.
CacheHostHealthy	1052	NCache	Information	A cache host process has become healthy again.
ClientConnectivityIssue	1053	NCache	Error	Client failed to connect to, or communicate with, the cache server.
TLS	1054	NCache Service	Error	TLS leaf certificate renewal check failed.

For comprehensive details on configuring and managing logs, refer to Windows Event Logging.

Cache Event IDs

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