Scaling Job . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 Data Node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 Inventory Data Sharding 3.1.1 Background The traditional solution that stores all the data in one concentrated node has hardly satisfied the re‐ quirement of massive Internet data scenario in three aspects, performance stateless service, which can make all the pressure, at last, fall on the database. But the single data node or simple replica query structure has been harder and harder to take these pressures. Therefore,

Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Data Node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Sharding . . . quick start with Apache ShardingSphere. Example Codes: https://github.com/apache/shardingsphere/tree/master/examples 2.1 ShardingSphere-JDBC 2.1.1 Scenarios There are four ways you can configure Apache ShardingSphere‐JDBC is suitable for java application. Source Codes: https://github.com/apache/shardingsphere/tree/master/shardingsphere‐jdbc 3.1.2 ShardingSphere-Proxy ShardingSphere‐Proxy is the second product of Apache

Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Data Node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Sharding . . . is ability which are unified management of centralized management, and operation in case of single node in failure. Centralized management is to uniformly manage the state of database storage nodes and scenario, circuit breaker and request limiting for a node to ensure whole database cluster can run continuously is a challenge to control ability of a single node. 4.2.3 Goal The goal of Apache ShardingSphere

Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Data Node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Sharding . . . Sharding 4.2.1 Background The traditional solution that stores all the data in one concentrated node has hardly satisfied the re‐ quirement of massive data scenario in three aspects, performance, availability stateless service, which can make all the pressure, at last, fall on the database. But the single data node or simple primary‐ replica structure has been harder and harder to take these pressures. Therefore

. . . . . . . . . . . . . . . . . . 43 Overloaded compute node protection . . . . . . . . . . . . . . . . . . . . . . . . 43 Storage node traffic limit . . . . . . . . . . . . . . . . . . . . . . . quick start with Apache ShardingSphere. Example Codes: https://github.com/apache/shardingsphere/tree/master/examples 7.1 ShardingSphere-JDBC 7.1.1 Scenarios There are two ways you can configure Apache ShardingSphere: Sharding 8.1.1 Background The traditional solution that stores all the data in one concentrated node has hardly satisfied the re‐ quirement of massive data scenario in three aspects, performance, availability

. . . . . . . . . . . . . . . . . . 43 Overloaded compute node protection . . . . . . . . . . . . . . . . . . . . . . . . 43 Storage node traffic limit . . . . . . . . . . . . . . . . . . . . . . . quick start with Apache ShardingSphere. Example Codes: https://github.com/apache/shardingsphere/tree/master/examples 7.1 ShardingSphere-JDBC 7.1.1 Scenarios There are two ways you can configure Apache ShardingSphere: Sharding 8.1.1 Background The traditional solution that stores all the data in one concentrated node has hardly satisfied the re‐ quirement of massive data scenario in three aspects, performance, availability

config node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 instances node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 sharding node . . . . . . . . . . . . . . . . . . . . . . . 11 servers node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 leader node . . . . . . . . . . . . . . . . . . . . . . . . . . sharding items to 1 and more than 1 servers to execute the jobs makes the job run in the mode of 1 master and n slaves. Once the servers that are executing jobs are down, the idle servers will take over

本章节以尽量短的时间，为使用者提供最简单的 Apache ShardingSphere 的快速入门。 示例代码：https://github.com/apache/shardingsphere/tree/master/examples 7.1 ShardingSphere-JDBC 7.1.1 应用场景 Apache ShardingSphere‐JDBC 可以通过 Java 和 YAML 这 2 种方式进行配置，开发者可根据场景选择适 操作步骤 1. 获取 Docker 镜像 • 方式一（推荐）：从 DockerHub 获取 docker pull apache/shardingsphere-proxy • 方式二：获取 master 分支最新镜像：https://github.com/apache/shardingsphere/pkgs/containe r/shardingsphere‐proxy • 方式三：自行构建镜像 1. 获取 Apache ShardingSphere Git Source • 在下载页面 或 https://github.com/apache/shardingsphere/tree/master 获取。 2. 在命令行构建产物, 分两种情形。 • 情形一：不需要使用存在 SPI 实现的 JAR 或第三方依赖的 JAR • 在 Git Source 同级目录下执行如下命令, 直接完成

本章节以尽量短的时间，为使用者提供最简单的 Apache ShardingSphere 的快速入门。 示例代码：https://github.com/apache/shardingsphere/tree/master/examples 7.1 ShardingSphere-JDBC 7.1.1 应用场景 Apache ShardingSphere‐JDBC 可以通过 Java 和 YAML 这 2 种方式进行配置，开发者可根据场景选择适 操作步骤 1. 获取 Docker 镜像 • 方式一（推荐）：从 DockerHub 获取 docker pull apache/shardingsphere-proxy • 方式二：获取 master 分支最新镜像：https://github.com/apache/shardingsphere/pkgs/containe r/shardingsphere‐proxy • 方式三：自行构建镜像 1. 获取 Apache ShardingSphere Git Source • 在下载页面 或 https://github.com/apache/shardingsphere/tree/master 获取。 2. 在命令行构建产物, 分两种情形。 • 情形一：不需要使用存在 SPI 实现的 JAR 或第三方依赖的 JAR • 在 Git Source 同级目录下执行如下命令, 直接完成

本章节以尽量短的时间，为使用者提供最简单的 Apache ShardingSphere 的快速入门。 示例代码：https://github.com/apache/shardingsphere/tree/master/examples 7.1 ShardingSphere-JDBC 7.1.1 应用场景 Apache ShardingSphere‐JDBC 可以通过 Java 和 YAML 这 2 种方式进行配置，开发者可根据场景选择适 操作步骤 1. 获取 Docker 镜像 • 方式一（推荐）：从 DockerHub 获取 docker pull apache/shardingsphere-proxy • 方式二：获取 master 分支最新镜像：https://github.com/apache/shardingsphere/pkgs/containe r/shardingsphere‐proxy • 方式三：自行构建镜像 issue ，并提交包含 ShardingSphere 自身或依赖的第三 方库缺失的 GraalVM Reachability Metadata 的 PR。 • ShardingSphere 的 master 分支尚未准备好处理 Native Image 中的单元测试, 需要等待 Junit 5 Plat‐ form 的集成，你总是需要在构建 GraalVM Native Image 的过程中，加上特定于