HttpClient Monitoring
This section describes the types, names, and meanings of HttpClient metrics collected by APM.
Parameter | Data Type | Application Type | Default | Supported Start Agent Version | Supported End Agent Version | Description |
|---|---|---|---|---|---|---|
URL Normalization Configuration | obj_array | JAVA | - | 2.0.0 | - | URL normalization configuration, based on which some RESTful URLs are normalized. There are four modes: "startwith", "endwith", "include", and "regex". |
httpClientMaxRows | integer | JAVA | 500 | 2.4.1 | - | Maximum number of HttpClient rows that can be collected. |
Category | Metric | Name | Description | Unit | Data Type | Default Aggregation Mode |
|---|---|---|---|---|---|---|
Exception (exception: HttpClient call exception statistics) | exceptionType | Exception Type | Exception type | - | ENUM | LAST |
count | Count | Number of times the exception has occurred | - | INT | SUM | |
message | Exception Message | Message returned when the exception occurred | - | STRING | LAST | |
stackTrace | Exception Stack | Exception stack information | - | CLOB | LAST | |
causeType | Exception Class | Exception class | - | ENUM | LAST | |
Cluster metrics (hostInvocation: APM counts HttpClient URL call statistics by the called party's cluster.) | envId | Cluster ID | Cluster ID of the called party | - | ENUM | LAST |
hostUri | Called Address | Called address | - | STRING | LAST | |
errorCount | Errors | Number of errors that occur when the cluster URL is called | - | INT | SUM | |
invokeCount | Calls | Number of times that the cluster URL is called | - | INT | SUM | |
maxTime | Max. RT | Maximum response time for calling the cluster URL | ms | INT | MAX | |
totalTime | Total RT | Total response time for calling the cluster URL | ms | INT | SUM | |
responseCloseCount | Closed Responses | Number of closed responses when the cluster URL is called | - | 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 | |
HttpClient version (info: HttpClient package version statistics) | httpClientVersion | HttpClient Version | Version of the HttpClient package | - | STRING | LAST |
httpCoreVersion | HttpCore Version | Version of the HttpCore package | - | STRING | LAST | |
URL monitoring (invocation: APM counts URL call statistics by URL.) | url | url | Called URL | - | ENUM | LAST |
method | HTTP Method | HTTP method of the URL | - | ENUM | LAST | |
client | Client Type | HTTP client type | - | ENUM | LAST | |
concurrentMax | Max. Concurrency | Maximum concurrency of the URL | - | INT | MAX | |
errorCount | Errors | Number of call errors of the URL | - | 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 | |
hostUri | Called Address | Called URL address | - | STRING | LAST | |
invokeCount | Calls | Number of times that the URL is called | - | INT | SUM | |
lastError | Error Message | Error details | - | STRING | LAST | |
maxTime | Max. RT | Maximum response time of the called URL | ms | INT | MAX | |
responseCloseCount | responseCloseCount | Number of closed responses when the URL is called | - | INT | SUM | |
totalTime | Total RT | Total response time of the called URL | ms | 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 | |
envId | Cluster ID | Cluster ID corresponding to the called URL | - | STRING | LAST | |
HttpClient summary (total: summary about HttpClient call statistics) | errorCount | Errors | Total number of errors | - | INT | SUM |
invokeCount | Calls | Total number of calls | - | INT | SUM | |
responseCloseCount | Closed Responses | Total number of responses that are closed | - | INT | SUM | |
totalTime | Total RT | Total response time | ms | INT | SUM | |
Status code statistics (code: HttpClient call exception statistics) | code | Status Code | Status code | - | ENUM | LAST |
url | URL | URL that returns the status code | - | STRING | LAST | |
count | Count | Number of times that the status code has occurred | - | INT | SUM |