运行效果
image.png
pom
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.example</groupId>
<artifactId>spring-promethues-demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>spring-promethues-demo</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.4.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>io.micrometer</groupId>
<artifactId>micrometer-registry-prometheus</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.restdocs</groupId>
<artifactId>spring-restdocs-mockmvc</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
application.properties
management.endpoint.metrics.enabled=true
management.endpoints.web.exposure.include=*
management.endpoint.prometheus.enabled=true
management.metrics.export.prometheus.enabled=true
management.metrics.export.jmx.enabled=true
启动类
@Slf4j
@SpringBootApplication
public class SpringPromethuesDemoApplication implements CommandLineRunner {
public static void main(String[] args) {
SpringApplication.run(SpringPromethuesDemoApplication.class, args);
}
@Override
public void run(String... args) {
int count = 0;
while (true) {
if (count / 2 == 0) {
try {
Thread.sleep(500);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
try {
RestTemplate restTemplate = new RestTemplate();
ResponseEntity<Result> forEntity = restTemplate.getForEntity("http://localhost:8080/user/insert", Result.class);
} catch (Exception e) {
log.error(e.toString());
}
}
}
}
测试api
@Slf4j
@RequestMapping("user")
@RestController
public class UserController {
@ResponseBody
@RequestMapping(method = RequestMethod.GET, path = "insert")
public Result insert() {
log.info("insert");
return Result.instance(Result.ResultType.success);
}
}
@Data
@NoArgsConstructor
@AllArgsConstructor
@Builder
@ToString
public class Result {
private int code;
private String msg;
private Object data;
public static Result instance(ResultType resultType) {
return Result.builder().code(resultType.code).msg(resultType.msg).build();
}
public static
Result instance(ResultType resultType, Object o) {
return Result.builder().code(resultType.code).msg(resultType.msg).data(o).build();
}
public enum ResultType {
success(100, "success"),
fail(200, "fail");
private int code;
private String msg;
ResultType(int code, String msg) {
this.code = code;
this.msg = msg;
}
}
}
查看监控项
# HELP tomcat_global_sent_bytes_total
# TYPE tomcat_global_sent_bytes_total counter
tomcat_global_sent_bytes_total{name="http-nio-8080",} 2301892.0
# HELP tomcat_cache_access_total
# TYPE tomcat_cache_access_total counter
tomcat_cache_access_total 0.0
# HELP tomcat_threads_busy
# TYPE tomcat_threads_busy gauge
tomcat_threads_busy{name="http-nio-8080",} 1.0
# HELP tomcat_sessions_alive_max_seconds
# TYPE tomcat_sessions_alive_max_seconds gauge
tomcat_sessions_alive_max_seconds 0.0
# HELP jvm_memory_committed_bytes The amount of memory in bytes that is committed for the Java virtual machine to use
# TYPE jvm_memory_committed_bytes gauge
jvm_memory_committed_bytes{area="nonheap",id="Code Cache",} 1.736704E7
jvm_memory_committed_bytes{area="nonheap",id="Metaspace",} 4.3122688E7
jvm_memory_committed_bytes{area="nonheap",id="Compressed Class Space",} 5898240.0
jvm_memory_committed_bytes{area="heap",id="PS Eden Space",} 3.84827392E8
jvm_memory_committed_bytes{area="heap",id="PS Survivor Space",} 1.7301504E7
jvm_memory_committed_bytes{area="heap",id="PS Old Gen",} 8.8080384E7
# HELP jvm_classes_unloaded_total The total number of classes unloaded since the Java virtual machine has started execution
# TYPE jvm_classes_unloaded_total counter
jvm_classes_unloaded_total 6.0
# HELP http_server_requests_seconds
# TYPE http_server_requests_seconds summary
http_server_requests_seconds_count{exception="None",method="GET",status="200",uri="/user/insert",} 2156.0
http_server_requests_seconds_sum{exception="None",method="GET",status="200",uri="/user/insert",} 2.2480165
http_server_requests_seconds_count{exception="None",method="GET",status="200",uri="/actuator/prometheus",} 222.0
http_server_requests_seconds_sum{exception="None",method="GET",status="200",uri="/actuator/prometheus",} 5.7278298
http_server_requests_seconds_count{exception="None",method="GET",status="200",uri="/**/favicon.ico",} 3.0
http_server_requests_seconds_sum{exception="None",method="GET",status="200",uri="/**/favicon.ico",} 0.0269339
http_server_requests_seconds_count{exception="None",method="GET",status="200",uri="/actuator",} 1.0
http_server_requests_seconds_sum{exception="None",method="GET",status="200",uri="/actuator",} 0.0124612
http_server_requests_seconds_count{exception="None",method="GET",status="200",uri="/actuator/metrics",} 1.0
http_server_requests_seconds_sum{exception="None",method="GET",status="200",uri="/actuator/metrics",} 0.0083764
# HELP http_server_requests_seconds_max
# TYPE http_server_requests_seconds_max gauge
http_server_requests_seconds_max{exception="None",method="GET",status="200",uri="/user/insert",} 0.0020473
http_server_requests_seconds_max{exception="None",method="GET",status="200",uri="/actuator/prometheus",} 0.047266
http_server_requests_seconds_max{exception="None",method="GET",status="200",uri="/**/favicon.ico",} 0.0
http_server_requests_seconds_max{exception="None",method="GET",status="200",uri="/actuator",} 0.0
http_server_requests_seconds_max{exception="None",method="GET",status="200",uri="/actuator/metrics",} 0.0
# HELP process_uptime_seconds The uptime of the Java virtual machine
# TYPE process_uptime_seconds gauge
process_uptime_seconds 1093.164
# HELP process_cpu_usage The "recent cpu usage" for the Java Virtual Machine process
# TYPE process_cpu_usage gauge
process_cpu_usage 0.004873644261336128
# HELP jvm_threads_peak The peak live thread count since the Java virtual machine started or peak was reset
# TYPE jvm_threads_peak gauge
jvm_threads_peak 39.0
# HELP tomcat_sessions_created_total
# TYPE tomcat_sessions_created_total counter
tomcat_sessions_created_total 0.0
# HELP tomcat_sessions_active_max
# TYPE tomcat_sessions_active_max gauge
tomcat_sessions_active_max 0.0
# HELP jvm_threads_live The current number of live threads including both daemon and non-daemon threads
# TYPE jvm_threads_live gauge
jvm_threads_live 33.0
# HELP tomcat_global_error_total
# TYPE tomcat_global_error_total counter
tomcat_global_error_total{name="http-nio-8080",} 0.0
# HELP jvm_gc_live_data_size_bytes Size of old generation memory pool after a full GC
# TYPE jvm_gc_live_data_size_bytes gauge
jvm_gc_live_data_size_bytes 2.3023384E7
# HELP jvm_buffer_memory_used_bytes An estimate of the memory that the Java virtual machine is using for this buffer pool
# TYPE jvm_buffer_memory_used_bytes gauge
jvm_buffer_memory_used_bytes{id="direct",} 90112.0
jvm_buffer_memory_used_bytes{id="mapped",} 0.0
# HELP jvm_threads_daemon The current number of live daemon threads
# TYPE jvm_threads_daemon gauge
jvm_threads_daemon 29.0
# HELP tomcat_global_received_bytes_total
# TYPE tomcat_global_received_bytes_total counter
tomcat_global_received_bytes_total{name="http-nio-8080",} 0.0
# HELP system_cpu_count The number of processors available to the Java virtual machine
# TYPE system_cpu_count gauge
system_cpu_count 4.0
# HELP process_start_time_seconds Start time of the process since unix epoch.
# TYPE process_start_time_seconds gauge
process_start_time_seconds 1.536338045303E9
# HELP tomcat_servlet_request_seconds
# TYPE tomcat_servlet_request_seconds summary
tomcat_servlet_request_seconds_count{name="default",} 0.0
tomcat_servlet_request_seconds_sum{name="default",} 0.0
# HELP tomcat_sessions_active_current
# TYPE tomcat_sessions_active_current gauge
tomcat_sessions_active_current 0.0
# HELP tomcat_sessions_expired_total
# TYPE tomcat_sessions_expired_total counter
tomcat_sessions_expired_total 0.0
# HELP system_cpu_usage The "recent cpu usage" for the whole system
# TYPE system_cpu_usage gauge
system_cpu_usage 0.16904357041360574
# HELP tomcat_servlet_error_total
# TYPE tomcat_servlet_error_total counter
tomcat_servlet_error_total{name="default",} 0.0
# HELP jvm_buffer_count An estimate of the number of buffers in the pool
# TYPE jvm_buffer_count gauge
jvm_buffer_count{id="direct",} 11.0
jvm_buffer_count{id="mapped",} 0.0
# HELP jvm_gc_max_data_size_bytes Max size of old generation memory pool
# TYPE jvm_gc_max_data_size_bytes gauge
jvm_gc_max_data_size_bytes 1.42606336E9
# HELP jvm_gc_pause_seconds Time spent in GC pause
# TYPE jvm_gc_pause_seconds summary
jvm_gc_pause_seconds_count{action="end of minor GC",cause="Allocation Failure",} 8.0
jvm_gc_pause_seconds_sum{action="end of minor GC",cause="Allocation Failure",} 0.06
jvm_gc_pause_seconds_count{action="end of minor GC",cause="Metadata GC Threshold",} 1.0
jvm_gc_pause_seconds_sum{action="end of minor GC",cause="Metadata GC Threshold",} 0.016
jvm_gc_pause_seconds_count{action="end of major GC",cause="Metadata GC Threshold",} 1.0
jvm_gc_pause_seconds_sum{action="end of major GC",cause="Metadata GC Threshold",} 0.072
# HELP jvm_gc_pause_seconds_max Time spent in GC pause
# TYPE jvm_gc_pause_seconds_max gauge
jvm_gc_pause_seconds_max{action="end of minor GC",cause="Allocation Failure",} 0.0
jvm_gc_pause_seconds_max{action="end of minor GC",cause="Metadata GC Threshold",} 0.0
jvm_gc_pause_seconds_max{action="end of major GC",cause="Metadata GC Threshold",} 0.0
# HELP tomcat_global_request_seconds
# TYPE tomcat_global_request_seconds summary
tomcat_global_request_seconds_count{name="http-nio-8080",} 2383.0
tomcat_global_request_seconds_sum{name="http-nio-8080",} 9.718
# HELP jvm_memory_max_bytes The maximum amount of memory in bytes that can be used for memory management
# TYPE jvm_memory_max_bytes gauge
jvm_memory_max_bytes{area="nonheap",id="Code Cache",} 2.5165824E8
jvm_memory_max_bytes{area="nonheap",id="Metaspace",} -1.0
jvm_memory_max_bytes{area="nonheap",id="Compressed Class Space",} 1.073741824E9
jvm_memory_max_bytes{area="heap",id="PS Eden Space",} 6.78428672E8
jvm_memory_max_bytes{area="heap",id="PS Survivor Space",} 1.7301504E7
jvm_memory_max_bytes{area="heap",id="PS Old Gen",} 1.42606336E9
# HELP tomcat_cache_hit_total
# TYPE tomcat_cache_hit_total counter
tomcat_cache_hit_total 0.0
# HELP jvm_gc_memory_allocated_bytes_total Incremented for an increase in the size of the young generation memory pool after one GC to before the next
# TYPE jvm_gc_memory_allocated_bytes_total counter
jvm_gc_memory_allocated_bytes_total 1.822181144E9
# HELP tomcat_threads_config_max
# TYPE tomcat_threads_config_max gauge
tomcat_threads_config_max{name="http-nio-8080",} 200.0
# HELP tomcat_sessions_rejected_total
# TYPE tomcat_sessions_rejected_total counter
tomcat_sessions_rejected_total 0.0
# HELP tomcat_servlet_request_max_seconds
# TYPE tomcat_servlet_request_max_seconds gauge
tomcat_servlet_request_max_seconds{name="default",} 0.0
# HELP jvm_gc_memory_promoted_bytes_total Count of positive increases in the size of the old generation memory pool before GC to after GC
# TYPE jvm_gc_memory_promoted_bytes_total counter
jvm_gc_memory_promoted_bytes_total 1.9746424E7
# HELP jvm_memory_used_bytes The amount of used memory
# TYPE jvm_memory_used_bytes gauge
jvm_memory_used_bytes{area="nonheap",id="Code Cache",} 1.7319296E7
jvm_memory_used_bytes{area="nonheap",id="Metaspace",} 4.0319472E7
jvm_memory_used_bytes{area="nonheap",id="Compressed Class Space",} 5361088.0
jvm_memory_used_bytes{area="heap",id="PS Eden Space",} 1.7452976E8
jvm_memory_used_bytes{area="heap",id="PS Survivor Space",} 655360.0
jvm_memory_used_bytes{area="heap",id="PS Old Gen",} 2.8450952E7
# HELP tomcat_global_request_max_seconds
# TYPE tomcat_global_request_max_seconds gauge
tomcat_global_request_max_seconds{name="http-nio-8080",} 0.942
# HELP tomcat_threads_current
# TYPE tomcat_threads_current gauge
tomcat_threads_current{name="http-nio-8080",} 10.0
# HELP jvm_classes_loaded The number of classes that are currently loaded in the Java virtual machine
# TYPE jvm_classes_loaded gauge
jvm_classes_loaded 8047.0
# HELP logback_events_total Number of error level events that made it to the logs
# TYPE logback_events_total counter
logback_events_total{level="error",} 0.0
logback_events_total{level="warn",} 0.0
logback_events_total{level="info",} 2198.0
logback_events_total{level="debug",} 0.0
logback_events_total{level="trace",} 0.0
# HELP jvm_buffer_total_capacity_bytes An estimate of the total capacity of the buffers in this pool
# TYPE jvm_buffer_total_capacity_bytes gauge
jvm_buffer_total_capacity_bytes{id="direct",} 90112.0
jvm_buffer_total_capacity_bytes{id="mapped",} 0.0
promethues配置
# my global config
global:
scrape_interval: 5s # Set the scrape interval to every 15 seconds. Default is every 1 minute.
evaluation_interval: 5s # Evaluate rules every 15 seconds. The default is every 1 minute.
# scrape_timeout is set to the global default (10s).
# Alertmanager configuration
alerting:
alertmanagers:
- static_configs:
- targets:
# - alertmanager:9093
# Load rules once and periodically evaluate them according to the global 'evaluation_interval'.
rule_files:
# - "first_rules.yml"
# - "second_rules.yml"
# A scrape configuration containing exactly one endpoint to scrape:
# Here it's Prometheus itself.
scrape_configs:
# The job name is added as a label `job=<job_name>` to any timeseries scraped from this config.
- job_name: 'prometheus'
# metrics_path defaults to '/metrics'
# scheme defaults to 'http'.
static_configs:
- targets: ['localhost:9090']
- job_name: 'spring-actuator'
metrics_path: '/actuator/prometheus'
scrape_interval: 5s
static_configs:
- targets: ['localhost:8080']
安装运行promethues和grafana
.\prometheus.exe --config.file=prometheus.yml
.\grafana-server.exe
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