may be briefly unavailable. This unavailability is usually a few seconds, but will be higher in the event that your system has a high replication delay from master to replica(s). Related Vitess Documentation global topology service should have nodes in multiple cells, with enough to maintain quorum in the event of a cell failure. Local Topology Each local topology contains information related to its own cell to be at a transaction boundary. But a file:position based binlog can report a position for every event, including stray ones that are not material for replication. In such cases, the mechanism of getting

may be briefly unavailable. This unavailability is usually a few seconds, but will be higher in the event that your system has a high replication delay from master to replica(s). Related Vitess Documentation global topology service should have nodes in multiple cells, with enough to maintain quorum in the event of a cell failure. Local Topology Each local topology contains information related to its own cell to be at a transaction boundary. But a file:position based binlog can report a position for every event, including stray ones that are not material for replication. In such cases, the mechanism of getting

设计理念 - Rust 是我们可靠的基石 分布式账务系统 存算分离 API 解耦 读写分离 层级账号 Rust ● 事务层与账户层分 离 ● 独立水平扩展 ● CQRS ● Event Sourcing ● 针对读场景，写场 景分别优化 ● 稳定的底层 API ● 灵活的顶层 API ● 树状结构 ● 聚合查询 ● 正确性：内存安全，线程安全 ● 可靠性： Raft 共识算法

compensate 和平统一 减少业务代码集成／运维难度 剥离业务与数据一致性复杂度 和平：低侵入 让运维监控更加简单 可视化事务、调用链 统一：集中式 无状态、可集群、可分片 Event Sourcing架构 高可用 系统架构 – 基于图形 requests { T1:[a,b], C1:[c,d], ... } Caller 1 2 3 Saga Log Saga Started

Supported processes Methodology • ThoughtWorks 5 Steps and 1 Phase • DDD aggregation • Event Sourcing • Command Query Responsibility Segregation (CQRS) Current method + Application to the

>系统架构复杂度提升 Huawei Confidential 6 通过微服务拆分工具解放开发者 支撑活动 方法论 • ThoughtWorks五步十一阶 • DDD聚合 • 事件源Event Sourcing • 命令查询责任分离CQRS 现有做法 业务改造 投入大 + 应用上云 + IaaS 应用微服务改造 + PaaS 业务创新 如AI 拆表 拆界面及业务逻辑 微服务化改造典型流程

may be briefly unavailable. This unavailability is usually a few seconds, but will be higher in the event that your system has a high replication delay from master to replica(s). Related Vitess Documentation global topology service should have nodes in multiple cells, with enough to maintain quorum in the event of a cell failure. Local Topology Each local topology contains information related to its own cell to be at a transaction boundary. But a file:position based binlog can report a position for every event, including stray ones that are not material for replication. In such cases, the mechanism of getting

may be briefly unavailable. This unavailability is usually a few seconds, but will be higher in the event that your system has a high replication delay from primary to replica(s). Related Vitess Documentation global topology service should have nodes in multiple cells, with enough to maintain quorum in the event of a cell failure. Local Topology Each local topology contains information related to its own cell to be at a transaction boundary. But a file:position based binlog can report a position for every event, including stray ones that are not material for replication. In such cases, the mechanism of getting

may be briefly unavailable. This unavailability is usually a few seconds, but will be higher in the event that your system has a high replication delay from master to replica(s). Related Vitess Documentation global topology service should have nodes in multiple cells, with enough to maintain quorum in the event of a cell failure. Local Topology Each local topology contains information related to its own cell the specified snapshot_time timestamp, vttablet needs to find the GTID corresponding to the last event before this timestamp from the binlog server. This is an expensive operation and may take some time

storiesManaging in a Complex Domain • Open discussion - need interactive communication, try crowd-sourcing or positive deviance - allow people to discuss solutions that are already working within the