Li, Qiao 01222743d0 APM2.0 UMN 20230825 version

Reviewed-by: Mützel, Andrea <andrea.muetzel@t-systems.com>
Co-authored-by: Li, Qiao <qiaoli@huawei.com>
Co-committed-by: Li, Qiao <qiaoli@huawei.com>

2024-06-18 07:09:10 +00:00

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Communication Protocol

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

**Table 1** WebSocket metrics
Category	Metric	Name	Description	Unit	Data Type	Default Aggregation Mode
Exception (exception: WebSocket exception statistics)	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
WebSocket message monitoring (message: WebSocket message processing information)	url	url	URL corresponding to WebSocket	-	ENUM	LAST
	errorCount	errorCount	Number of message processing 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 times that the message processing method is called	-	INT	SUM
	traffic	traffic	Traffic	-	INT	SUM
	createSessionCount	createSessionCount	Number of connections that have been created	-	INT	SUM
	closeSessionCount	closeSessionCount	Number of closed connections	-	INT	SUM
	closeReason	closeReason	Cause of the connection closure	-	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
WebSocket summary (total: summary statistics)	errorCount	errorCount	Total number of errors	-	INT	SUM
	invokeCount	invokeCount	Total number of calls	-	INT	SUM
	createSessionCount	createSessionCount	Number of connections that have been created	-	INT	SUM
	closeSessionCount	closeSessionCount	Number of closed connections	-	INT	SUM
	traffic	traffic	Traffic	-	INT	SUM
	totalTime	totalTime	Total response time	-	INT	SUM

Parent topic: Metric Overview

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Communication Protocol

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