ServiceKeeper
ServiceKeeper is a lightweight service governance framework that provides many awesome features such as rate limit, concurrent limit, circuit breaker, retry and fallback... You can get start and customize the configuration easily with annotation.
Features
- Concurrent Limit
- Rate Limit
- Circuit Breaker
- Fallback
- Manual fallback
- Parameter-level concurrent limit, circuit breaker and such on
Quick Start
Step one: Add maven dependency
<dependency>
<groupId>io.esastack</groupId>
<artifactId>servicekeeper-springboot-adapter</artifactId>
<version>${servicekeeper.version}</version>
</dependency>
Step two: Add customize configuration by annotation
@SpringBootApplication
public class AppMain {
@Bean
public HelloService helloService() {
return new HelloService();
}
public static void main(String[] args) {
ConfigurableApplicationContext ctx = SpringApplication.run(AppMain.class);
final HelloService service = ctx.getBean(HelloService.class);
int errorCount = 0;
for (int i = 0 ; i < 20; i++) {
try {
service.hello();
} catch (RateLimitOverFlowException ex) {
errorCount++;
}
}
System.out.println("RateLimitOverFlowException count: " + errorCount);
ctx.close();
}
public class HelloService {
@RateLimiter(limitForPeriod = 10)
public String hello() {
return "Hello World!";
}
}
}
See more details in Reference Doc
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