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[docs improve]cdn和读写分离&分库分表部分图片重新绘制
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@ -73,8 +73,6 @@ CDN 会通过 GSLB 找到最合适的 CDN 节点,更具体点来说是下面
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为了方便理解,上图其实做了一点简化。GSLB 内部可以看作是 CDN 专用 DNS 服务器和负载均衡系统组合。CDN 专用 DNS 服务器会返回负载均衡系统 IP 地址给浏览器,浏览器使用 IP 地址请求负载均衡系统进而找到对应的 CDN 节点。
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为了方便理解,上图其实做了一点简化。GSLB 内部可以看作是 CDN 专用 DNS 服务器和负载均衡系统组合。CDN 专用 DNS 服务器会返回负载均衡系统 IP 地址给浏览器,浏览器使用 IP 地址请求负载均衡系统进而找到对应的 CDN 节点。
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**GSLB 是如何选择出最合适的 CDN 节点呢?** GSLB 会根据请求的 IP 地址、CDN 节点状态(比如负载情况、性能、响应时间、带宽)等指标来综合判断具体返回哪一个 CDN 节点的地址。
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**GSLB 是如何选择出最合适的 CDN 节点呢?** GSLB 会根据请求的 IP 地址、CDN 节点状态(比如负载情况、性能、响应时间、带宽)等指标来综合判断具体返回哪一个 CDN 节点的地址。
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<mxfile host="Electron" modified="2022-08-21T11:21:52.663Z" agent="5.0 (Macintosh; Intel Mac OS X 10_16_0) AppleWebKit/537.36 (KHTML, like Gecko) draw.io/13.4.5 Chrome/83.0.4103.122 Electron/9.1.0 Safari/537.36" etag="XDdpittxPwt_r72mhpB0" version="13.4.5" type="device"><diagram id="hOm4ZVVBxYnfASh_6NZ6" name="Page-1">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</diagram></mxfile>
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@ -201,4 +201,3 @@ ShardingSphere 绝对可以说是当前分库分表的首选!ShardingSphere
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- 引入分库分表之后,需要系统解决事务、分布式 id、无法 join 操作问题。
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- 引入分库分表之后,需要系统解决事务、分布式 id、无法 join 操作问题。
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- ShardingSphere 绝对可以说是当前分库分表的首选!ShardingSphere 的功能完善,除了支持读写分离和分库分表,还提供分布式事务、数据库治理等功能。另外,ShardingSphere 的生态体系完善,社区活跃,文档完善,更新和发布比较频繁。
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- ShardingSphere 绝对可以说是当前分库分表的首选!ShardingSphere 的功能完善,除了支持读写分离和分库分表,还提供分布式事务、数据库治理等功能。另外,ShardingSphere 的生态体系完善,社区活跃,文档完善,更新和发布比较频繁。
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