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940 B
940 B
- 接入层 entry
- 逻辑层 logic
- 内存存储层 router
- 固化存储层 das
功能组件: 1.0
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IOC: guice
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通信层: netty
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序列化: protobuf
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内存存储:
- Caffeine
- Memcache
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分布式缓存:redis
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注册中心:etcd、直连
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处理队列:disruptor
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持久化:
- mysql 存储全量历史消息
- mongodb 存储直接拉取的未读消息
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日志:log4j2
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监控:prometheus、grafana
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ID生成器
2.0
- quarkus
集群负载均衡: 子网1,子网2,公网 子网1和2不相通
dubbo native image https://dubbo.apache.org/zh/docs/references/graalvm/support-graalvm/
entry <--> client 通信
- serviceId --> paramClass --> serviceHandler
entry <--> logic dubbo service client jconsle cmd
router <--> cache das <--> db router <--> das
das shardingjdbc table struct, sharding roles logic biz
请求响应消息队列异步处理,减少线程 cpu 占用, dubbo async