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PahoSubscriber Monitoring

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

Table 1 PahoSubscriber metrics

Category	Metric	Name	Description	Unit	Data Type	Default Aggregation Mode
Monitoring of PUBLISH packets received by PahoSubscriber (message)	uri	uri	URI of the MQTT server connected to PahoSubscriber	-	ENUM	LAST
	msgType	msgType	Type of the packet that is sent	-	ENUM	LAST
	concurrentMax	concurrentMax	Maximum concurrency	-	INT	MAX
	errorCount	errorCount	Number of errors	-	INT	SUM
	errorTraceId	errorTraceId	ID of the trace that encounters an error in a collection period	-	STRING	LAST
	slowTraceId	slowTraceId	ID of the slowest trace in a collection period	-	STRING	LAST
	invokeCount	invokeCount	Number of calls	-	INT	SUM
	lastError	lastError	Error message	-	STRING	LAST
	maxTime	maxTime	Maximum response time	-	INT	MAX
	totalTime	totalTime	Total response time	-	INT	SUM
	range1	range1	Number of requests with 0–10 ms response time	-	INT	SUM
	range2	range2	Number of requests with 10–100 ms response time	-	INT	SUM
	range3	range3	Number of requests with 100–500 ms response time	-	INT	SUM
	range4	range4	Number of requests with 500–1000 ms response time	-	INT	SUM
	range5	range5	Number of requests with 1–10s response time	-	INT	SUM
	range6	range6	Number of requests with response time longer than 10s	-	INT	SUM
Node-based monitoring of PUBLISH packets received by PahoSubscriber (uriMessage)	uri	uri	URI of the MQTT server connected to PahoSubscriber	-	ENUM	LAST
	errorCount	errorCount	Errors	-	INT	SUM
	invokeCount	invokeCount	Calls	-	INT	SUM
	totalTime	totalTime	Total response time	-	INT	SUM
Exception (exception: exception statistics of PahoSubscriber calls)	exceptionType	exceptionType	Exception type	-	ENUM	LAST
	causeType	causeType	Exception class	-	ENUM	LAST
	count	count	Number of times the exception has occurred	-	INT	SUM
	message	message	Message returned when the exception occurred	-	STRING	LAST
	stackTrace	stackTrace	Exception stack information	-	CLOB	LAST
PahoSubscriber topic-based monitoring (clientReceive)	clientId	clientId	clientId	-	ENUM	LAST
	topic	topic	Topic	-	ENUM	LAST
	msgReceivedCount	msgReceivedCount	Number of message receiving times	-	INT	SUM
	bytesReceived	bytesReceived	Number of bytes received	-	INT	SUM
PahoSubscriber version (version)	version	version	Version	-	STRING	LAST
PahoSubscriber topic summary (total)	msgReceivedCount	msgReceivedCount	Total number of message receiving times	-	INT	SUM
	bytesReceived	bytesReceived	Total number of bytes received	-	INT	SUM

Parent topic: IoT