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