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Types of Classes
JDO provides a means of transparent persistence of objects of user defined classes. With JDO there are actually 3 types of classes. Persistence Capable classes are classes whose... -
Prepare the Environment
To deploy your Hortonworks stack using Ambari, you need to prepare your deployment environment: Set Up Password-less SSH Set Up Service User Accounts Enable NTP on the Cluster... -
State Management and Watermarks
Managing Watermarks in a Job Basics Task Failures Multi-Dataset Jobs Gobblin State Deep Dive State class hierarchy How States are Used in a Gobblin Job This page has two p... -
FAQs
Gobblin General Questions What is Gobblin? What programming languages does Gobblin support? Does Gobblin require any external software to be installed? What Hadoop versions can ... -
Math
clone values eqProps keys omit pick pickAll project prop props keysIn path valuesIn toPairs toPairsIn clone {*} → {*} Parameters valueThe object or array to c... -
2. Using a Local Repository
If your enterprise clusters have limited outbound Internet access, you should consider using a local repository, which enables you to benefit from more governance and better insta... -
Object
clone values eqProps keys omit pick pickAll project prop props keysIn path valuesIn toPairs toPairsIn clone {*} → {*} Parameters valueThe object or array to c... -
安装、启动和测试
下一步 安装进度显示在屏幕上。 Ambari 安装、启动并对每个组件运行简单的测试。进程的总体状态显示在屏幕顶部的进度栏中，逐个主机的状态显示在主要部分中。在此过程中请勿刷新浏览器。刷新浏览器可能会中断进度指示器。 要查看有关每个主机已完成哪些任务的具体信息，请单击相应主机的 Message 列中的链接。在 Tasks 弹出窗口中，单击单个任务以查... -
Amazon RDS Requirements
Ranger requires a relational database as its policy store. There are additional prerequisites for Amazon RDS-based databases due to how Amazon RDS is set up and managed: MySQL/M... -
OpenMldb
Description Key features Options cluster_mode [string] sql [string] database [string] host [string] port [int] zk_host [string] zk_path [string] session_timeout [int] req...
