MongoDB Monitoring

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

**Table 1** Collection parameters for MongoDB monitoring
Parameter	Data Type	Application Type	Default Value	Supported Start Agent Version	Supported End Agent Version	Description
TraceReportTimeSpanThreshold(ms)	integer	JAVA	1	2.1.13	-	Threshold for reporting getConnection method traces. If the threshold is not exceeded, such traces will not be reported.
isParseOriginalCommand	radio	JAVA	false	2.2.2	-	Indicates whether to collect original Mongo JSON commands.

**Table 2** MongoDB metrics
Category	Metric	Name	Description	Unit	Data Type	Default Aggregation Mode
Connection details (connection)	host	Connected Host	Connected host	-	ENUM	LAST
	concurrentMax	Max. Concurrency	Maximum concurrency	-	INT	MAX
	invokeCount	Calls	Number of calls	-	INT	SUM
	totalTime	Total Time	Total time	-	INT	SUM
	errorCount	Errors	Number of errors	-	INT	SUM
	maxTime	Max. RT	Maximum response time	-	INT	SUM
	range1	0–10 ms	Number of requests with 0–10 ms response time	-	INT	SUM
	range2	10–100 ms	Number of requests with 10–100 ms response time	-	INT	SUM
	range3	100–500 ms	Number of requests with 100–500 ms response time	-	INT	SUM
	range4	500–1000 ms	Number of requests with 500–1000 ms response time	-	INT	SUM
	range5	1–10s	Number of requests with 1–10s response time	-	INT	SUM
	range6	> 10s	Number of requests with response time longer than 10s	-	INT	SUM
	openedCount	Opened Connections	Number of opened connections	-	INT	SUM
	closedCount	Closed Connections	Number of closed connections	-	INT	SUM
	idleClosedCount	Connections Closed Due to Idling	Number of connections that are closed due to long idle time	-	INT	SUM
	lifeClosedCount	Connections Closed Due to Keepalive Timeout	Number of connections that are closed due to keepalive timeout	-	INT	SUM
	errorClosedCount	Connections Closed Due to Errors	Number of connections that are closed due to errors	-	INT	SUM
	staleClosedCount	Connections Closed Due to Pool Clearing	Number of connections that are closed due to pool clearing	-	INT	SUM
	poolClosedClosedCount	Connections Closed Due to Pool Closure	Number of connections that are closed due to pool closure	-	INT	SUM
Exception (exception: exception statistics of MongoDB calls)	exceptionType	Exception Type	Exception type	-	ENUM	LAST
	causeType	Exception Class	Exception class	-	ENUM	LAST
	count	Count	Number of times the exception has occurred	-	INT	SUM
	message	Exception Message	Message returned when the exception has occurred	-	STRING	LAST
	stackTrace	Exception Stack	Exception stack information	-	CLOB	LAST
Cluster information (clusterInfo)	clusterId	Cluster ID	Cluster ID	-	ENUM	LAST
Cluster information (clusterInfo)	hosts	Cluster Node Information Set on Client	Cluster node information set on the client	-	STRING	LAST
MongoDB call monitoring (client)	namespace	Namespace	Namespace corresponding to the MongoDB operation	-	ENUM	LAST
	command	Command	Command run on the MongoDB server	-	ENUM	LAST
	concurrentMax	Max. concurrency	Maximum concurrency	-	INT	MAX
	queryCount	Read Rows	Number of read rows	-	INT	SUM
	updateCount	Updated Rows	Number of updated rows	-	INT	SUM
	errorCount	Errors	Number of errors	-	INT	SUM
	errorTraceId	Error Trace ID	ID of the trace that encounters an error in a collection period	-	STRING	LAST
	slowTraceId	Slow Trace ID	ID of the slowest trace in a collection period	-	STRING	LAST
	invokeCount	Calls	Number of calls	-	INT	SUM
	lastError	Error Message	Error message	-	STRING	LAST
	maxTime	Max. RT	Maximum response time	-	INT	MAX
	totalTime	Total RT	Total response time	-	INT	SUM
	range1	0–10 ms	Number of requests with 0–10 ms response time	-	INT	SUM
	range2	10–100 ms	Number of requests with 10–100 ms response time	-	INT	SUM
	range3	100–500 ms	Number of requests with 100–500 ms response time	-	INT	SUM
	range4	500–1000 ms	Number of requests with 500–1000 ms response time	-	INT	SUM
	range5	1–10s	Number of requests with 1–10s response time	-	INT	SUM
	range6	> 10s	Number of requests with response time longer than 10s	-	INT	SUM
MongoDB version (version)	version	Version	Version	-	STRING	LAST
MongoDB summary (total: summary of MongoDB call statistics)	invokeCount	Calls	Total number of calls	-	INT	SUM
	queryCount	Total Read Rows	Total number of read rows	-	INT	SUM
	updateCount	Total Updated Rows	Total number of updated rows	-	INT	SUM
	errorCount	Total Errors	Total number of errors	-	INT	SUM
	totalTime	Total RT	Total response time	-	INT	SUM
MongoDB cluster call (cluster)	nodes	Cluster Node	Cluster node information	-	ENUM	LAST
	concurrentMax	Max. Concurrency	Maximum concurrency	-	INT	MAX
	errorCount	Errors	Number of errors	-	INT	SUM
	errorTraceId	Error Trace ID	ID of the trace that encounters an error in a collection period	-	STRING	LAST
	slowTraceId	Slow Trace ID	ID of the slowest trace in a collection period	-	STRING	LAST
	invokeCount	Calls	Number of calls	-	INT	SUM
	lastError	Error Message	Error message	-	STRING	LAST
	maxTime	Max. RT	Maximum response time	-	INT	MAX
	totalTime	Total RT	Total response time	-	INT	SUM
	range1	0–10 ms	Number of requests with 0–10 ms response time	-	INT	SUM
	range2	10–100 ms	Number of requests with 10–100 ms response time	-	INT	SUM
	range3	100–500 ms	Number of requests with 100–500 ms response time	-	INT	SUM
	range4	500–1000 ms	Number of requests with 500–1000 ms response time	-	INT	SUM
	range5	1–10s	Number of requests with 1–10s response time	-	INT	SUM
	range6	> 10s	Number of requests with response time longer than 10s	-	INT	SUM
Connection pool monitoring (connectionPool)	host	Connection Address	Connection address	-	ENUM	LAST
	maxSize	Max. Pool Size	Maximum connection pool size	-	INT	AVG
	minSize	Min. Pool Size	Minimum connection pool size	-	INT	AVG
	availableCount	Idle Connections	Number of idle connections	-	INT	AVG
	inUseCount	Active Connections	Number of active connections	-	INT	AVG
	maxWaitTimeMs	Max. Waiting Time (ms)	Maximum waiting time of a connection (ms)	-	INT	AVG
	maxConnectionLifeTimeMs	Max. Keepalive Time	Maximum keepalive time of a connection	-	INT	AVG
	maxConnectionIdleTimeMs	Max. Idle Time	Maximum idle time of a connection	-	INT	AVG
MongoDB node call monitoring (serverNode)	serverAddr	Node Address	Node address	-	ENUM	LAST
	type	Node Type	Node type	-	STRING	LAST
	concurrentMax	Max. Concurrency	Maximum concurrency	-	INT	MAX
	errorCount	Errors	Number of errors	-	INT	SUM
	errorTraceId	Error Trace ID	ID of the trace that encounters an error in a collection period	-	STRING	LAST
	slowTraceId	Slow Trace ID	ID of the slowest trace in a collection period	-	STRING	LAST
	invokeCount	Calls	Number of calls	-	INT	SUM
	lastError	Error Message	Error message	-	STRING	LAST
	maxTime	Max. RT	Maximum response time	-	INT	MAX
	totalTime	Total RT	Total response time	-	INT	SUM
	range1	0–10 ms	Number of requests with 0–10 ms response time	-	INT	SUM
	range2	10–100 ms	Number of requests with 10–100 ms response time	-	INT	SUM
	range3	100–500 ms	Number of requests with 100–500 ms response time	-	INT	SUM
	range4	500–1000 ms	Number of requests with 500–1000 ms response time	-	INT	SUM
	range5	1–10s	Number of requests with 1–10s response time	-	INT	SUM
	range6	> 10s	Number of requests with response time longer than 10s	-	INT	SUM