Micrometer库中UniversalScalabilityLawForecast类的位置及相关信息咨询

Great question! I ran into a similar confusion when first working with Micrometer's USL forecasting features, so let me break this down for you:

• The UniversalScalabilityLawForecast class isn't part of Micrometer's core library — it lives in a separate extension module called micrometer-scaling, which focuses on scalability analysis tools including the Universal Scalability Law (USL) implementation.
• Full class path: The correct fully qualified name for this class is io.micrometer.scaling.forecast.UniversalScalabilityLawForecast. You'll need to import this package in your code to use it.
• Why you couldn't find it in GitHub: If you only browsed the micrometer-core subrepository, you won't see this class — it's housed in the micrometer-scaling submodule of the main Micrometer project.
• Dependency setup: To use this class, you need to add the micrometer-scaling dependency to your project. Make sure the version matches your existing Micrometer core version (it's compatible with Micrometer 1.10.0 and later).
  • For Maven:

    <dependency>
        <groupId>io.micrometer</groupId>
        <artifactId>micrometer-scaling</artifactId>
        <version>${micrometer.version}</version>
    </dependency>
    

  • For Gradle:

    implementation 'io.micrometer:micrometer-scaling:${micrometerVersion}'
    

Once you add the dependency and import the correct class, the example code from SRE with Java Microservices should work as expected.

内容的提问来源于stack exchange，提问作者BY-J