请问 return registry -> registry.config().commonTags("application", applicationName);
这是是么写法,不用 ->
该怎么写呢?
@Bean
MeterRegistryCustomizer<MeterRegistry> configurer(@Value("${spring.application.name}") String applicationName) {
// http://localhost:8080/actuator/prometheus可以访问到数据
return registry -> registry.config().commonTags("application", applicationName);
}