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Agent Monitoring

This section describes the types, names, and meanings of Agent monitoring metrics collected by APM.

Table 1 Agent monitoring metrics

Category	Metric	Name	Description	Unit	Data Type	Default Aggregation Mode
Probe data (detail: probe data metric set)	type	type	Type of data reported by the probe	-	ENUM	LAST
	discardBytes	discardBytes	Number of discarded bytes	Byte	INT	SUM
	discardCount	discardCount	Number of times that the type of data is discarded	-	INT	SUM
	errorBytes	errorBytes	Number of bytes that fail to be sent	Byte	INT	SUM
	errorCount	errorCount	Number of times that the type of data fails to be sent	-	INT	SUM
	maxBytes	maxBytes	Maximum number of sent bytes	Byte	INT	MAX
	maxQueueSize	maxQueueSize	Maximum length of the sending queue	-	INT	MAX
	sendBytes	sendBytes	Number of successfully sent bytes	Byte	INT	SUM
	sendCount	sendCount	Number of times that the type of data is successfully sent	-	INT	SUM
	sendTotalTime	sendTotalTime	Total sending time of the data type	ms	INT	SUM
	slowTime	slowTime	Maximum sending time of the data type	ms	INT	MAX
Exception (exception: exception metric set)	causeType	causeType	Exception class	-	ENUM	LAST
	type	type	Exception type	-	ENUM	LAST
	count	count	Number of exceptions	-	INT	SUM
	message	message	Exception message	-	STRING	LAST
	stackTrace	stackTrace	Exception stack	-	CLOB	LAST
Server connection monitoring (transfer: server connection monitoring metric set)	host	host	Host information	-	ENUM	LAST
	connectIp	connectIp	Connection IP address	-	STRING	LAST
	ipList	ipList	All IP addresses	-	STRING	LAST
	isConnected	isConnected	Connected or not	-	INT	LAST
	rt	rt	Response time	ms	INT	AVG
Queue monitoring (repository: queue monitoring metric set)	monitorQueueSize	monitorQueueSize	Size of the monitoring data queue	-	INT	SUM
	monitorObjectSize	monitorObjectSize	Memory size of the monitoring data	-	INT	SUM
	traceQueueSize	traceQueueSize	Size of the trace data queue	-	INT	SUM
	traceObjectSize	traceObjectSize	Memory size of the trace data	-	INT	SUM

Parent topic: Metric Overview