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Relation
countBy difference differenceWith unionWith union gt gte intersection lt lte max min propEq sortBy pathEq maxBy minBy countBy (a → String) → [a] → {*} Paramet... -
Batch Reads
Spark DataSource API Daft Spark DataSource API The hudi-spark module offers the DataSource API to read a Hudi table into a Spark DataFrame. A time-travel query example: val ... -
Socket
Support Those Engines Key features Description Data Type Mapping Options How to Create a Socket Data Synchronization Jobs Socket source connector Support Those Engines ... -
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) ... -
Relation
countBy difference differenceWith unionWith union gt gte intersection lt lte max min propEq sortBy pathEq maxBy minBy countBy (a → String) → [a] → {*} Paramet... -
Publishing Data to S3
Introduction Hadoop and S3 The s3a File System The s3 File System Getting Gobblin to Publish to S3 Signing Up For AWS Setting Up EC2 Launching an EC2 Instance EC2 Package I... -
Relation
countBy difference differenceWith unionWith union gt gte intersection lt lte max min propEq sortBy pathEq maxBy minBy countBy (a → String) → [a] → {*} Paramet... -
环境准备
要使用 Ambari 部署 Hortonworks stack，您需要准备部署环境： 设置无密码 SSH 设置服务用户帐户 在集群和浏览器主机上启用 NTP 检查 DNS 和 NSCD 配置 iptables 禁用 SELinux 和 PackageKit 并检查 umask 值 下载并设置数据库连接器 为 Ranger 配置数据库实例 ... -
第三章：线程的基本操作
学习目标 1. 线程启动(start)、休眠(sleep)、中断(interrupt) 1.1 线程启动(start) 1.2 线程休眠(sleep) 1.3 线程中断(interrupt) 2. 线程Join操作及其应用场景 2.1 Join操作的典型应用场景 3. 线程优先级的设置与影响 4. 守护线程(Daemon Thread)的应用... -
Configuring a Database Instance for Ranger
A MySQL, Oracle, PostgreSQL, or Amazon RDS database instance must be running and available to be used by Ranger. The Ranger installation will create two new users (default names: ...
