Redis-Cluser架构设计
- Redis-Cluser采纳无核心构造，每个节点都保留数据和整个集群状态，各个节点之间相互链接
- 节点间采纳ping-pong机制互联，外部应用二进制协定传输优化速度和带宽
- Redis-Cluser会把所有物理节点映射到0-16383个slot上
- Redis集群预分好16384个桶，当须要在 Redis 集群中搁置一个 key-value 时，依据 CRC16(key) mod 16384的值，决定将一个key放到哪个桶中
部署Redis-Cluser 3节点(一个正本)
- redis配置
daemonize yesport 7006cluster-enabled yescluster-config-file "nodes.conf"cluster-node-timeout 15000appendonly yesprotected-mode nobind 0.0.0.0masterauth "westos"requirepass westos- 启动redis执行集群创立
redis-cli --cluster create 127.0.0.1:7001 127.0.0.1:7002 127.0.0.1:7003 127.0.0.1:7004 127.0.0.1:7005 127.0.0.1:7006 --cluster-replicas 1- envoy配置
static_resources: listeners: - name: redis_listener address: socket_address: address: 0.0.0.0 port_value: 1999 filter_chains: - filters: - name: envoy.filters.network.redis_proxy typed_config: "@type": type.googleapis.com/envoy.extensions.filters.network.redis_proxy.v3.RedisProxy stat_prefix: egress_redis settings: op_timeout: 5s prefix_routes: catch_all_route: cluster: redis_cluster clusters: - name: redis_cluster connect_timeout: 1s type: strict_dns # static lb_policy: MAGLEV typed_extension_protocol_options: envoy.redis_proxy: "@type": type.googleapis.com/google.protobuf.Struct value: auth_password: inline_string: "westos" load_assignment: cluster_name: redis_cluster endpoints: - lb_endpoints: - endpoint: address: socket_address: address: 10.0.2.15 port_value: 7001 - endpoint: address: socket_address: address: 10.0.2.15 port_value: 7002 - endpoint: address: socket_address: address: 10.0.2.15 port_value: 7003 - endpoint: address: socket_address: address: 10.0.2.15 port_value: 7004 - endpoint: address: socket_address: address: 10.0.2.15 port_value: 7005 - endpoint: address: socket_address: address: 10.0.2.15 port_value: 7006admin: access_log_path: "/dev/null" address: socket_address: address: 0.0.0.0 port_value: 8001- 启动envoy
envoy -c envoy.yaml -l debug --service-cluster proxy