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title: Mixer Instance
Mixer Instance 表示通过检查一组请求[属性](/zh/docs/reference/glossary/#attribute) ，并结合使用者提供的配置而生成的数据块。Mixer Instance 在随请求到达各种基础后端设施的途中，会被传递给各个[处理程序](/zh/docs/reference/glossary/#mixer-handler)