endnotes></ol></div></div><div class=toc-container><nav class=toc aria-label="Table of Contents"><div id=toc><ol><li role=none aria-label=开始之前><a href=#before-you-begin>开始之前</a><li role=none aria-label=应用基于权重的路由><a href=#apply-weight-based-routing>应用基于权重的路由</a><li role=none aria-label=理解原理><a href=#understanding-what-happened>理解原理</a><li role=none aria-label=清理><a href=#cleanup>清理</a><li role=none aria-label=相关内容><a href=#se