Rule Query Language, is responsible for the query of resources and rules. RAL Resource & Rule Administration Language, is responsible for hint, circuit breaker, configuration import and export, scaling ---- --------+----------------+ 2 rows in set (0.01 sec) RAL Syntax RAL (Resource & Rule Administration Language) responsible for hint, circuit breaker, configuration import and export, scaling control ngsphere‐ agent JAEG ER_SAMPLER_TYPE Jaeger sample rate type const, probabilistic, ratelimiting, remote const JAEGE R_SAMPLER_PARAM Jaeger sample rate pa‐ rameter const:0, 1, pr obabilistic:0.0

Rule Query Language) responsible for the query of resources and rules; • RAL (Resource & Rule Administration Language) responsible for the added‐on administrator fea‐ ture of hint, transaction type switch ngsphere‐ agent JAEG ER_SAMPLER_TYPE Jaeger sample rate type const, probabilistic, ratelimiting, remote const JAEGE R_SAMPLER_PARAM Jaeger sample rate pa‐ rameter const:0, 1, pr obabilistic:0.0 ratelimiting: > 0, Customize the number of acquisitions per second, re‐ mote：need to customize the remote service addres,JA EGER_SAMPLER_MA NAGER_HOST_PORT 1 (const type) SAM‐ PLER_TYPE Zipkin sample

Rule Query Language, is responsible for the query of resources and rules. RAL Resource & Rule Administration Language, is responsible for hint, circuit breaker, configuration import and export, scaling ---- --------+----------------+ 2 rows in set (0.01 sec) RAL Syntax RAL (Resource & Rule Administration Language) responsible for hint, circuit breaker, configuration import and export, scaling control configuration。 The Docker environment configuration provides a remote debugging port for ShardingSphere‐ Proxy. You can find the second exposed port for remote debugging in ˋˋshardingsphere‐proxyˋˋ of the ˋˋdocker‐comemage

HTTP, file, big data – Focus business SDK, can work with Spring IOC • Admin Console – Job administration – Job event trace query – Registry center management 3 3 Environment Required 3.1 Java (Dependency Injection) Beans can be freely used in Job, such as data source connection pool and Dubbo remote service, etc., which is more convenient for business development. 5.2 Elastic Schedule Elastic control the distribution of single‐point jobs to other job machines, and also can’t start the job of remote server. ElasticJob doesn’t support ssh secret management and other functions. In summary, ElasticJob

Language，负责资源和规则的创建、修改和删除。 RQL Resource & Rule Query Language，负责资源和规则的查询和展现。 RAL Resource & Rule Administration Language，负责强制路由、熔断、配置导入导出、数据迁移控制等管理 功能。 RUL Resource & Rule Utility Language，负责 SQL 解析、SQL -------- --------+----------------+ 2 rows in set (0.01 sec) RAL 语法 RAL (Resource & Rule Administration Language) 为 Apache ShardingSphere 的管理语言，负责强制路 由、熔断、配置导入导出、数据迁移控制等管理功能。 4.2. ShardingSphere-Proxy shardi ngsphere‐ agent JAEG ER_SAMPLER_TYPE Jaeger 采 样 率 类型 const、proba bilistic、ratel imiting、remote const JAEGE R_SAMPLER_PARAM Jaeger 采 样 率 参数 c onst：0、1，pro babilistic：0.0 ‐ 1.0，ratelimiting：>

Rule Query Language, is responsible for the query of resources and rules. RAL Resource & Rule Administration Language, is responsible for hint, circuit breaker, configuration import and export, scaling COUNT, SHADOW, RULE, FROM Related links • Reserved word RAL Syntax RAL (Resource & Rule Administration Language) responsible for the added‐on feature of transaction type switch, scaling and so on configuration。 The Docker environment configuration provides a remote debugging port for ShardingSphere‐ Proxy. You can find the second exposed port for remote debugging in ˋˋshardingsphere‐proxyˋˋ of the ˋˋdocker‐comemage

Rule Query Language) responsible for the query of resources and rules; • RAL (Resource & Rule Administration Language) responsible for the added‐on administrator fea‐ ture of hint, transaction type switch ngsphere‐ agent JAEG ER_SAMPLER_TYPE Jaeger sample rate type const、proba bilistic、ratel imiting、remote const JAEGE R_SAMPLER_PARAM Jaeger sam‐ ple rate parameter const:0、1, pr obabilistic:0.0 ‐ ratelimiting: > 0, Customize the number of acquisitions per secon d，re‐ mote：need to customize the remote service addres,JA EGER_SAMPLER_MA NAGER_HOST_PORT 1（const type） SAM‐ PLER_TYPE Zipkin sample

and rules. 9.2. ShardingSphere-Proxy 184 Apache ShardingSphere document RAL Resource & Rule Administration Language, is responsible for hint, circuit breaker, configuration import and export, scaling COUNT, SHADOW, RULE, FROM Related links • Reserved word RAL Syntax RAL (Resource & Rule Administration Language) responsible for the added‐on feature of transaction type switch, scaling and so on configuration。 The Docker environment configuration provides a remote debugging port for ShardingSphere‐ Proxy. You can find the second exposed port for remote debugging in ˋˋshardingsphere‐proxyˋˋ of the ˋˋdocker‐comemage

Language）负责资源和规则的创建、修改和删除； • RQL（Resource & Rule Query Language）负责资源和规则的查询和展现； • RAL（Resource & Rule Administration Language）负责 Hint、事务类型切换、分片执行计划查询 等管理功能。 3.3. DistSQL 14 Apache ShardingSphere document, v5 shardi ngsphere‐ agent JAEG ER_SAMPLER_TYPE Jaeger 采 样 率 类型 const、proba bilistic、ratel imiting、remote const JAEGE R_SAMPLER_PARAM Jaeger 采 样 率 参数 c onst：0、1，pro babilistic：0.0 ‐ 1.0，ratelimiting：> -------- --------+----------------+ 2 rows in set (0.01 sec) RAL 语法 RAL (Resource & Rule Administration Language) 为 Apache ShardingSphere 的管理语言，负责强制路 由、事务类型切换、弹性伸缩、分片执行计划查询等增量功能的操作。 强制路由 语句 说明 示例

Language，负责资源和规则的查询和展现。 9.2. ShardingSphere-Proxy 149 Apache ShardingSphere document RAL Resource & Rule Administration Language，负责强制路由、熔断、配置导入导出、数据迁移控制等管理 功能。 RUL Resource & Rule Utility Language，负责 SQL 解析、SQL row in set (0.01 sec) 保留字 COUNT、SHADOW、RULE、FROM 相关链接 • 保留字 RAL 语法 RAL (Resource & Rule Administration Language) 为 Apache ShardingSphere 的管理语言，负责事务类 型切换、弹性伸缩等增量功能的操作。 9.2. ShardingSphere-Proxy 274 工具可以通过如下方式连接并 debug 容器中的 Proxy 代码： IDEA ‐> Run ‐> Edit Configurations ‐> Add New Configuration ‐> Remote JVM Debug 编辑对应的信息：‐ Name：一个描述性的名字，例如 e2e‐debug。‐ Host：可以访问 docker 的 IP，例如 127.0.0.1。‐ Port：调试端口（需要在下一步中设置）。‐