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Auxiliary SQL Functions
Kyuubi provides several auxiliary SQL functions as supplement to Spark’s Built-in Functions Name Description Return Type Since kyuubi_version Return the version of K... -
1. 准备
本节介绍使用 Ambari 安装集群时应准备的信息和材料。 Ambari 为您的集群提供端到端的管理和监控解决方案。 使用 Ambari Web UI 和 REST API，您可以从一个中心点部署、操作、管理配置更改并监控集群中所有节点的服务。 产品互操作性 满足最低系统要求 收集信息 环境准备 -
Collect Information
Before deploying a cluster, you should collect the following information: The fully qualified domain name (FQDN) of each host in your system. The Ambari Cluster Install wizard s... -
Gobblin CLI
Gobblin Commands & Execution Modes Gobblin Commands The Distcp Quick App The OneShot Quick App Developing quick apps for the CLI Implementing new Gobblin commands Gobblin Ser... -
Procedures
Spark Procedures To use Iceberg in Spark, first configure Spark catalogs . Stored procedures are only available when using Iceberg SQL extensions in Spark 3. Usage Procedures c... -
orm DTD/XSD
JDO defines XML MetaData in jdo files as well as orm files. As always with XML, the metadata must match the defined DTD/XSD for that file type. This section describes the conten... -
第一章：多线程入门
学习目标 1. 什么是线程与多线程 1.1 线程的概念 1.2 多线程的概念 2. 为什么需要多线程编程 2.1 提高CPU利用率 2.2 提高程序响应性 2.3 更好的资源利用 2.4 简化复杂问题的处理 3. Java中实现多线程的两种基本方式 3.1 继承Thread类 3.2 实现Runnable接口 3.3 两种方式的比较 ... -
Collect Information
Before deploying a cluster, you should collect the following information: The fully qualified domain name (FQDN) of each host in your system. The Ambari Cluster Install wizard s... -
Hive Metastore
Syncing to Hive Metastore This document walks through the steps to register an Apache XTable™ (Incubating) synced table on Hive Metastore (HMS). Pre-requisites Source table(s) ... -
jdoquery DTD/XSD
JDO defines XML MetaData in jdo files as well as orm files, but also specifies that named queries can be defined in jdoquery files. As always with XML, the metadata must match t...
