中联配送系统架构设计

flowchart TB subgraph Global[全局负载均衡] GLB[GSLB] end subgraph DC1[数据中心1] LB1[SLB] --> App1[应用集群1] App1 --> Cache1[缓存集群1] App1 --> DB1[(主库集群1)] DB1 --> DB2[(从库集群1)] end subgraph DC2[数据中心2] LB2[SLB] --> App2[应用集群2] App2 --> Cache2[缓存集群2] App2 --> DB3[(主库集群2)] DB3 --> DB4[(从库集群2)] end GLB --> DC1 GLB --> DC2 DB1 -.-> DB3 DB3 -.-> DB1 Cache1 -.-> Cache2

flowchart TB A[接入层] --> B[服务层] B --> C[数据层] B --> D[存储层] subgraph 接入层高可用 A1[Nginx集群] --> A2[Gateway集群] end subgraph 服务层高可用 B1[服务注册] --> B2[服务发现] B2 --> B3[负载均衡] end subgraph 数据层高可用 C1[多级缓存] --> C2[读写分离] C2 --> C3[分库分表] end subgraph 存储层高可用 D1[主从复制] --> D2[数据同步] D2 --> D3[备份恢复] end

flowchart TB A[请求] --> B{限流器} B -->|通过| C[熔断器] B -->|拒绝| D[降级处理] C -->|关闭| E[处理请求] C -->|开启| D E --> F{负载均衡} F --> G[服务实例1] F --> H[服务实例2] F --> I[服务实例3]

flowchart TB A[业务请求] --> B{分布式事务} B --> C[TCC模式] B --> D[SAGA模式] B --> E[消息事务] C --> F[数据一致性] D --> F E --> F F --> G[最终一致性]

flowchart TB subgraph Production[生产环境] A[主数据中心] --> B[同城灾备] A --> C[异地灾备] end subgraph Backup[备份系统] D[定时备份] --> E[增量备份] E --> F[归档存储] end subgraph Recovery[恢复系统] G[故障检测] --> H[自动切换] H --> I[数据恢复] end

flowchart TB subgraph Collection[采集层] A[Metrics采集] --> D[采集网关] B[Logs采集] --> D C[Traces采集] --> D end subgraph Processing[处理层] D --> E[数据清洗] E --> F[数据处理] F --> G[数据分析] end subgraph Storage[存储层] G --> H[时序数据库] G --> I[日志存储] G --> J[链路存储] end subgraph Application[应用层] H --> K[监控大屏] I --> L[日志分析] J --> M[链路分析] K --> N[告警系统] L --> N M --> N end

flowchart TB subgraph CI[持续集成] A[代码检查] --> B[单元测试] B --> C[构建打包] C --> D[制品库] end subgraph CD[持续部署] D --> E[环境准备] E --> F[配置注入] F --> G[自动部署] G --> H[健康检查] end subgraph Ops[运维操作] H --> I[监控接入] I --> J[日志采集] J --> K[性能基线] end