[缓存基础](%E7%BC%93%E5%AD%98%E5%9F%BA%E7%A1%80.md) [缓存相关指令](%E7%BC%93%E5%AD%98%E7%9B%B8%E5%85%B3%E6%8C%87%E4%BB%A4.md) [缓存用法配置示例](%E7%BC%93%E5%AD%98%E7%94%A8%E6%B3%95%E9%85%8D%E7%BD%AE%E7%A4%BA%E4%BE%8B.md) [配置nginx不缓存上游服务特定内容](%E9%85%8D%E7%BD%AEnginx%E4%B8%8D%E7%BC%93%E5%AD%98%E4%B8%8A%E6%B8%B8%E6%9C%8D%E5%8A%A1%E7%89%B9%E5%AE%9A%E5%86%85%E5%AE%B9.md) [缓存失效降低上游压力机制1-合并源请求](%E7%BC%93%E5%AD%98%E5%A4%B1%E6%95%88%E9%99%8D%E4%BD%8E%E4%B8%8A%E6%B8%B8%E5%8E%8B%E5%8A%9B%E6%9C%BA%E5%88%B6%E4%B8%80-%E5%90%88%E5%B9%B6%E6%BA%90%E8%AF%B7%E6%B1%82.md) [缓存失效降低上游压力机制2-启用陈旧缓存](%E7%BC%93%E5%AD%98%E5%A4%B1%E6%95%88%E9%99%8D%E4%BD%8E%E4%B8%8A%E6%B8%B8%E5%8E%8B%E5%8A%9B%E6%9C%BA%E5%88%B6%E4%BA%8C-%E5%90%AF%E7%94%A8%E9%99%88%E6%97%A7%E7%BC%93%E5%AD%98.md) [第三方清除模块ngx_cache_purge介绍](%E7%AC%AC%E4%B8%89%E6%96%B9%E6%B8%85%E9%99%A4%E6%A8%A1%E5%9D%97ngx_cache_purge%E4%BB%8B%E7%BB%8D.md) [ngx_cache_purge用法配置示例](ngx_cache_purge%E7%94%A8%E6%B3%95%E9%85%8D%E7%BD%AE%E7%A4%BA%E4%BE%8B.md)