What is an Actuator in Microservices? Why is it used?

Pragya Keshap answered on February 4, 2023 Popularity 3/10 Helpfulness 1/10

answer What is an Actuator in Microservices? Why is it used?

What is an Actuator in Microservices? Why is it used?

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Actuator is a sub-project of Spring Boot.

It brings in production-ready features into an application and is mainly used to expose operational information about the running application's health, metrics, info, dump, env, etc. It uses HTTP endpoints or JMX beans to interact with it.

@Service
public class LoginServiceImpl {

    private final CounterService counterService;
    
    public LoginServiceImpl(CounterService counterService) {
        this.counterService = counterService;
    }
	
    public boolean login(String userName, char[] password) {
        boolean success;
        if (userName.equals("admin") && "secret".toCharArray().equals(password)) {
            counterService.increment("counter.login.success");
            success = true;
        }
        else {
            counterService.increment("counter.login.failure");
            success = false;
        }
        return success;
    }
}

https://www.baeldung.com/spring-boot-actuators#:~:text=Actuator%20is%20mainly%20used%20to,us%20out%20of%20the%20box.

Popularity 3/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: actuator java

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Contributed on Feb 04 2023

Pragya Keshap

0 Answers Avg Quality 2/10

What is an Actuator in Microservices? Why is it used?

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