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Redis 如何分布式，来看京东金融的设计与实践
source link: http://www.infoq.com/cn/articles/jingdong-redis-practice?amp%3Butm_medium=popular_widget&%3Butm_campaign=popular_content_list&%3Butm_content=homepage
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R2M 是京东金融线上大规模应用的分布式缓存系统，目前管理的机器总内存容量超过 60TB，近 600 个 Redis Cluster 集群，9200 多个 Redis 实例。其主要功能包括：全 web 可视化运维、缓存集群一键部署、资源池统筹管理、在线扩容及快速数据迁移、多机房切换及容灾、完善的监控及告警、Redis API 兼容等。本文将从 R2M 系统架构、资源管理、集群扩容与迁移、数据冷热交换、多机房容灾等多方面进行深入剖析，希望读者能有所收获。
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