Communication Agent (ComAgent) Exception measurements

The "Communication Agent Exception" measurement group is a set of measurements that provide information about exceptions and unexpected messages and events that are specific to the Communication Agent protocol.

Communication Agent Exception Measurement Report Fields
Measurement Tag Description Collection Interval
CADataFIFOQueueFul StackEvents discarded due to ComAgent DataFIFO queue full condition. 30 min
CADSTxDscrdCong Number of egress stack events discarded because the congestion level of the connection exceeded the stack events’ priority level. 30 min
CAHSRsrcErr Number of times that ComAgent receives in a heartbeat stack event status concerning a known Resource but an unknown Sub-Resource. 30 min
CAHSTxDscrdCongSR Number of stack events discarded due to HA Service Sub-Resource congestion. 30 min
CAHSTxDscrdIntErrSR Number of egress stack events destined to a known Sub-Resource that were discarded due to a ComAgent internal error. 30 min
CAHSTxDscrdUnavailSR Number of stack events discarded because they were submitted to an Unavailable Sub-Resource of a given Resource. 30 min
CAHSTxDscrdUnknownSR Number of egress stack events discarded because they referred to a known Resource and an unknown Sub-Resource. 30 min
CAHSTxDscrdUnkwnRsrc Number of egress stack events discarded because they referred to an unknown Resource. 30 min
CAHSTxRsrc Number of egress stack events that were routed to a known Resource. 30 min
CAMxFIFOQueueFul StackEvents discarded due to ComAgent MxFIFO queue full condition. 30 min
CAPSTxDscrdCongPeer Number of egress events discarded because Peer congestion. 30 min
CAPSTxDscrdUnavailGrp Number of egress stack events discarded because they referred to a Peer Group which was unavailable. 30 min
CAPSTxDscrdUnkwnGrp Number of egress stack events discarded because they referred to a Peer Group which was unknown. 30 min
CARsrcPoolFul ComAgent internal resource pool exhaustion condition 30 min
CARSTxDscrdCong Number of stack events discarded due to Routed Service congestion. 30 min
CARSTxDscrdSvcUnavail Number of stack events discarded because they were submitted to an Unavailable Routed Service. 30 min
CARxDiscUnexpEvent Number of ingress events discarded because it was unexpected in the connection operational state. 30 min
CARxDscrdBundle Number of ingress bundled event discarded during de-serialization 30 min
CARxDscrdConnUnavail Number of User Data ingress events discarded because connection was not in-service. 30 min
CARxDscrdDecodeFailed Number of ingress events discarded because failed to deserialize (event not part of stack service language). 30 min
CARxDscrdIncompat Number of ingress events discarded because an Incompatible header version is received. 30 min
CARxDscrdInternalErr Number of ingress events discarded because of other unexpected internal processing error. 30 min
CARxDscrdLayerSendFail Number of User Data ingress events discarded because layer’s sendTo failed. 30 min
CARxDscrdMsgLenErr Number of ingress events discarded as it doesn’t contain enough bytes (less than event header bytes).  
CARxDscrdUnkServer Number of ingress events discarded because the origination server was unknown/not configured. 30 min
CARxDscrdUnkStkLyr Number of User Data ingress events discarded because stack layer is not known. 30 min
CARxMsgUnknown Number of ingress events discarded because stack event was unknown. 30 min
CAStackQueueFul StackEvents discarded due to ComAgent task queue full condition. 30 min
CATransDscrdInvCorrId Number of received stack events that were received and discarded because they did not correlate with a pending transaction. 30 min
CATransDscrdStaleErrRsp Number of times that an error response was discarded because it contained a valid correlation ID value but its originating server was not the last server to which the request was sent. 30 min
CATransEndAbnorm Number of reliable transactions that terminated abnormally. 30 min
CATransEndAbnormRateAvg Average rate per second that ComAgent transactions ended abnormally during the collection interval. 30 min
CATransEndAbnormRateMax Maximum rate per second that ComAgent transactions ended abnormally during the collection interval. 30 min
CATransEndAnsErr Number of reliable transactions initiated by local User Layers that ended with an error response from a destination server. 30 min
CATransEndErr Number of reliable transactions initiated by local User Layers that ended abnormally with an error response from a destination server. 30 min
CATransEndNoResources Number of reliable transactions initiated by local User Layers that ended abnormally due to lack of resources. 30 min
CATransEndNoResponse Number of reliable transactions initiated by local User Layers that ended abnormally due to a timeout waiting for a response. 30 min
CATransEndUnkwnSvc Number of reliable transactions initiated by local User Layers that ended abnormally because they referred to an unknown service. 30 min
CATransEndUnregSvc Number of reliable transactions initiated by local User Layers that ended abnormally because they referred to a known service that lacked a registered User Layer. 30 min
CATransNoReTxMaxTTL Number of reliable transactions abnormally ended because of Max Time to live exceeded without any retransmits. 30 min
CATransRetx Number of times stack events were retransmitted. 30 min
CATransReTxExceeded Number of reliable transactions abnormally ended because of Max number of Retries exceeded. 30 min
CATransStaleSuccessRsp Number of times that a success response was received from an unexpected server and was accepted to end a transaction. 30 min
CATransTTLExceeded Number of reliable transactions abnormally ended because of Max Time to live exceeded. 30 min
CATxDscrdConnUnAvail Number of User Data egress events discarded because connection was not in-service(down/blocked/not aligned). 30 min
CATxDscrdDestUserIncmpat Number of User Data egress events discarded because the remote doesn’t support requested capabilities (either it doesn’t support stack or event library or event library version is incompatible) 30 min
CATxDscrdEncodeFail Number of User Data egress events discarded because of serialization failures 30 min
CATxDscrdInternalErr Number of egress events discarded because of other unexpected internal processing error. 30 min
CATxDscrdMxSendFail Number of User Data egress events discarded because of failure reported by MxEndpoint 30 min
CATxDscrdUnknownSvc Number of non-reliable and non-request (G=0 or R=0) egress stack events discarded because they refer to an unknown service. 30 min
CATxDscrdUnkServer Number of egress events discarded because the destination server was unknown/not configured. 30 min
CATxDscrdUnregSvc Number of egress stack events discarded because they reference a known service that has no registered User Layer. 30 min