数据库redis读写分离的相关内容

阿里云文档 2025-03-19

数据分片节点故障对请求成功率的影响

假设集群实例的数据分片数量为N，当其中1个数据分片节点发生故障时，该故障节点会启动主备切换，从故障发生至完成切换大约需要几秒到几十秒。在该过程中，访问该数据分片节点的请求均会失败，假设请求分布均匀，理论上该实例会有 1/N 的请求失败率。但存在以下原因，可能导致该过程中实际失败的请求数量高于理论值。...

阿里云文档 2025-03-13

识货电商客户案例

Tair（企业版）提供了丰富的数据模型和企业级能力，帮助识货电商构建在线业务系统，平稳地支撑识货各种大促活动，轻松应对百万级QPS的业务挑战。

阿里云文档 2025-02-26

调整部分OpenAPI鉴权行为

为了规范OpenAPI的设计和生产，给您带来更优质的产品使用体验，云数据库 Tair（兼容 Redis）将于2025 年 02 月 26 日起逐步支持部分OpenAPI的操作级鉴权行为。

阿里云文档 2025-02-10

Jedis客户端社区 Issue #2504描述了在低版本的JedisCluster中，JedisCluster本地缓存的路由表存在无法更新的问题。这可能会导致错误访问的情况。例如，当节点a（IP地址10.10.10.10:6379）从A集群中下线后，在某些环境中，该IP地址可能会被重新分配到新集群。JedisCluster可能会将A集群的请求发送至该IP地址所对应的新集群中，导致查询失败。上述问...

阿里云文档 2025-01-20

通过自定义节点数规避跨可用区切换

在多可用区部署的集群实例中，您可以在主可用区内额外增加一个或多个节点，从而避免在主节点故障切换时，因切换到备可用区而产生的业务访问时延增加的问题。

问答 2024-06-15 来自：开发者社区

云数据库Redis版Redis读写分离实例

文章 2022-02-16 来自：开发者社区

阿里云数据库全新功能Redis读写分离，全维度技术解析

阿里云Redis读写分离典型场景：如何轻松搭建电商秒杀系统https://yq.aliyun.com/articles/277885 文末有彩蛋，请务必记得看完整哦背景目前的阿里云redis不管主从版还是集群规格，slave作为备库不对外提供服务，只有在发生HA，slave提升为master后才承担读写。这种架构读写请求都在master上完成，一致性较高，但性能受到master数量的限制。经....

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更新时间 2024-06-16 11:36:13

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