阿里云发布全球首款CXL 2.0数据库服务器

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09/25

继创下TPC-C性能&性价比双冠之后，阿里云PolarDB云原生数据库再度实现关键突破。9月24日杭州云栖大会上，阿里云宣布推出全球首款基于CXL（Compute Express Link）2.0 Switch技术的PolarDB数据库专用服务器。在原有RDMA网络基础上，PolarDB引入CXL高速互连技术，通过基于CXL的分布式内存池解决方案，实现和本地一样低延迟、高带宽的远程内存访问。延迟...

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href=\"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN20250925152846a69d09c1&s=b\">网页链接</a>\n\n</div>\n\n\n</article>\n</div>\n</body>\n</html>\n","isBrief":false,"type":0,"news_type":1,"symbol":"LU0949170772.SGD","symbol_name":"Blackrock Global Equity Income A6 SGD-H","start_time":0,"source_url":"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN20250925152846a69d09c1&s=b","article_id":"2570706999","we_media_id":null,"thumbnails":[],"rights":{"source":"tencent","url":"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN20250925152846a69d09c1&s=b","rn_cache_url":null,"customStyle":"body{padding-top:10px;}#news_title{font-weight:bold;#titleStyle#;}#news_description span{font-size:12px;#descriptionStyle#;}.footer-note{#statement#}","selectors":".mod-LoadTzbdNews, body","filters":".relate-stock, .hot-list, .recom-box, 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server","themeId":null,"isJumpTheme":false,"ttsUrl":null,"symbols_score_info":{"09988":0.6,"BABA":0.9,"ALBmain":0.6,"SWCH":0.66},"content_text":"继创下TPC-C性能&性价比双冠之后，阿里云PolarDB云原生数据库再度实现关键突破。9月24日杭州云栖大会上，阿里云宣布推出全球首款基于CXL（Compute Express Link）2.0 Switch技术的PolarDB数据库专用服务器。在原有RDMA网络基础上，PolarDB引入CXL高速互连技术，通过基于CXL的分布式内存池解决方案，实现和本地一样低延迟、高带宽的远程内存访问。延迟可低至百纳秒级，带宽吞吐达到数TB/s，让内存资源“池化可共享、按需可调度”。凭借这一全球首创技术，PolarDB在SIGMOD 2025学术顶会上斩获工业赛道“最佳论文奖”。通过创新的云原生架构与软硬件结合方式，PolarDB攻克了长期制约数据库弹性与性能的“最后一公里”难题，标志着云原生数据库正式迈入“计算-内存-存储”全解耦新阶段。本次发布的PolarDB数据库专用服务器搭载全球首款面向数据库负载优化、支持CXL 2.0协议的商用交换设备，重新定义云原生数据库硬件底座。它支持多主机并发访问共享内存池，并首次在数据库场景中实现“交换能力”（Switching），使系统拓扑可自由扩展、灵活组网。未来，随着CXL Switch演进，系统还将支持多级交换架构、动态容量设备及Fabric拓扑设计，进一步强化异构计算能力与横向扩展性，为超大规模云数据库提供坚实技术底座。阿里云智能集团资深副总裁、数据库产品事业部负责人李飞飞表示，PolarDB基于CXL Switch的数据库专属机型，真正实现了内存资源随需而动。从三层解耦到CXL全栈创新，PolarDB正以持续技术深耕，重新定义云原生数据库边界。PolarDB数据库专用服务器还打通GPU+CPU与共享内存池的协同通路，在大模型推理等前沿场景中具备广阔应用前景。尤其在KVCache池化方面，可实现跨节点KVCache的弹性调度与毫秒级远程访问，显著提升推理吞吐与资源利用率，为AI时代的数据底座注入全新动能。同时，阿里云发布“瑶池数据库ApsaraDB 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