ZStack 技術(shù)白皮書 ZStack 可拓展性的秘密武器 2：無狀態(tài)的服務(wù)

0ZStack可拓展性的秘密武器2：00ZSTACKZSTACK—可拓展性秘密武器2：無狀態(tài)的服務(wù)的。當(dāng)整個系統(tǒng)的服務(wù)實例不止一個的時候，資源會被分發(fā)到不同的服務(wù)實例中。假設(shè)有0添一個新的服務(wù)實例或者刪除一個舊的服務(wù)實例的時候，服務(wù)之間也不用交備注：在以下文檔中，為了簡便，“服務(wù)”和“服務(wù)實例”0“進程內(nèi)的microservice架構(gòu)”解釋了我們這么做的原因。0zstack.message.ansible.3694776ab31a45709zstack.message.ansible.3694776ab31a45709zstack.message.applianceVm.3694776ab31a45709zstack.message.cloudbus.3694776ab31a45709zstack.message.cluster.3694776ab31a457092592zstack.message.configuration.3694776ab31a457092zstack.message.console.3694776ab31a45709zstack.message.eip.3694776ab31a45709zstack.message.globalConfig.3694776ab31a45709259254zstack.message.host.3694776ab31a45709zstack.message.host.allocator.3694776ab31a457092zstack.message.identity.3694776ab31a45709zstack.message.image.3694776ab31a45709zstack.message.managementNwork.service.3694776ab31a45709zstack.message.portForwarding.3694776ab31a457092zstack.message.query.3694776ab31a45709zstack.message.securityGroup.3694776ab31a457092zstack.message.snapshot.volume.3694776ab31a45709zstack.message.storage.backup.3694776ab31a457092destinationManagementNodeUUIDdestinationManagementNodeUUID=consistent_hashing_algorithm("932763162d054c04adaab6ab4msg.setServiceId("vmInstance."+destinationManagementNodeUUI有了哈希環(huán)，資源UUID相同的消息將被映射到特定管理節(jié)點的相同服務(wù)中，這點是msgmsg=newAPICreateVmInsta