HBase Monitoring

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

**Table 1** HBase metrics
Category	Metric	Name	Description	Unit	Data Type	Default Aggregation Mode
Exception (exception: exception statistics of HBase 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
HBase call monitoring (client)	namespaceTable	Namespace:Table name	Namespace and table name corresponding to the HBase operation	-	ENUM	LAST
	command	Command	Command run on the HBase server	-	ENUM	LAST
	concurrentMax	Max. Concurrency	Maximum concurrency	-	INT	MAX
	queryRowCount	Read Rows	Number of read rows	-	INT	SUM
	updateRowCount	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	totalTime	Total RT	-	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
HBase version (version)	version	Version	Version	-	STRING	LAST
HBase summary (total: summary of HBase call statistics)	invokeCount	Calls	Total number of calls	-	INT	SUM
	queryRowCount	Total Read Rows	Total number of read rows	-	INT	SUM
	updateRowCount	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
HBase node call monitoring (serverNode: HBase server RPC call statistics)	serverAddr	Server Node	Server 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	totalTime	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
HBase cluster call monitoring (cluster: HBase cluster RPC call information)	clusterId	Cluster ID	Cluster ID	-	ENUM	LAST
	cachedServers	Client Cache Node Address	Client cache node address	-	STRING	LAST
	zkNodes	ZooKeeper Connection Address	ZooKeeper connection address	-	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