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README
Apache-2.0

SOFALookout

Build Status Coverage Status license maven

English Document

访问 WIKI 查看完整的文档使用指南。

SOFALookout 是一个利用多维度的 metrics 对目标系统进行度量和监控的项目。SOFALookout 的多维度 metrics 参考Metrics2.0 标准。SOFALookout 项目分为客户端部分与服务器端部分。

  • 客户端是一个 Java 的类库,可以将它植入您的应用代码中采集 metrics 信息,客户端更多详情
  • 服务端代码部分,将于下一版本提供。通过 SOFALookout 的服务,可以对 metrics 数据进行收集、加工、存储和查询等处理,另外结合 grafana,可做数据可视化展示。

相较于常用的监控方案:

  • Metrics 概念已经不算陌生,因此相比于其他没有数据标准的监控方案较为普适;
  • 多维度的 metrics, 在传统的 metrics 的 name 基础上,又加上了一组 tags 的集合;因此相较于 Dropwizard, Spring Boot 的 actuator 等而言可以提供更丰富的 tags 维度方便监控分析;
  • 相比于通过收集、加工应用系统产生的日志进行监控分析的方案,metrics 会显得更轻量,对系统资源的消耗也比较固定,不会随着业务量增加而增加;
  • SOFALookout 除了对自身的 Java SDK 客户端采集源支持,还支持业界主流的采集 Agent 的数据汇报;
  • 采集源可以通过配置文件或者服务发现机制找到 SOFALookout 的采集服务;
  • SOFA 的体系中产品都会默认集成了 SOFALookout SDK 进行状态度量;
  • 最后,当然监控领域也不存在银弹,基于 metrics 的 SOFALookout,适合用于宏观趋势的预警(比如一分钟内请求发生错误的次数),对定位某一次错误事件的问题并不擅长(比如,某一次调用的错误原因)。

我们在分布式场景已经积累了一定的经验,但也处于探索的过程中。开源 SOFALookout 项目,我们是希望以更开放方式来合作确保该项目向正确的方向持续演化。后续我们可能也会开源更多的解决海量数据的配套设施。

编译

  • 客户端代码编译,进入client子目录,Maven 3.2.5+, JDK Version 1.6+;
  • 服务器端代码编译,进入server子目录,Maven 3.2.5+, JDK Version 1.8+;

样例工程

样例工程演示了如何快速使用 SOFALookout,详细可参考

贡献

如何参与 SOFALookout 代码贡献

开源许可

SOFALookout 基于 Apache License 2.0 协议,SOFALookout 依赖了一些三方组件,它们的开源协议参见依赖组件版权说明

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