-
TCK
Running the TCK Demonstrating Compliance In order to demonstrate compliance with the Java Data Objects specification, an implementation must pass all of the tests in the Technol... -
Object
clone values eqProps keys omit pick pickAll project prop props keysIn path valuesIn toPairs toPairsIn propOr has hasIn assoc assocPath lens pickBy evolve inv... -
Hudi
Hudi Integration Dependencies Hudi Operations Apache Hudi (pronounced “hoodie”) is the next generation streaming data lake platform. Apache Hudi brings core warehouse and datab... -
The AGE Cypher Query Format
Cypher() Cypher in an Expression SELECT Clause Cypher queries are constructed using a function called cypher in ag_catalog which returns a Postgres SETOF records . Cypher() c... -
Observability
Metrics This feature is available only in Redisson PRO Monitoring systems integration Redisson provides integration the most popular monitoring systems through Micrometer fram... -
JDO v JPA : ORM
Relationships There are 2 prevalent specification in the Java ORM world. JDO provides the most complete definition, whilst JPA is the most recent. Relationships In this guide w... -
Install Databases for HDF services
Installing and Configuring MySQL Installing and Configuring Postgres Using an Oracle Database When installing Schema Registry, SAM, Druid, and Superset, you require a relationa... -
SubProcess
子流程节点 综述 创建任务 任务参数 任务样例 创建 shell 任务 创建 sub_process 任务 注意事项 子流程节点 综述 子流程节点，就是把外部的某个工作流定义当做一个节点去执行。 创建任务 点击项目管理 -> 项目名称 -> 工作流定义，点击”创建工作流”按钮，进入 DAG 编辑页面： 拖动工具栏的 任务节点... -
Start the Ambari Server
Next Steps More Information Run the following command on the Ambari Server host: ambari - server start To check the Ambari Server processes: ambari - server status ... -
为 HDF 服务安装数据库
安装和配置MySQL 安装和配置 Postgres 使用 Oracle 数据库 安装 Schema Registry、SAM、Druid 和 Superset 时，您需要一个关系数据存储来存储元数据。您可以使用 MySQL、Postgres、Oracle 或 MariaDB。这些主题描述如何安装 MySQL、Postgres 和 Oracle 以及如...
