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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 ... -
Slack
Support Those Engines Key features Description Data Type Mapping Options Task Example Simple: Changelog new version Slack sink connector Support Those Engines Spark... -
Project Team
Apache JDO Committers Apache JDO Contributors The people listed below have made significant contributions to JDO by working long and hard to make quality software for the rest o... -
Install Postgres
Before You Begin Steps Before You Begin If you have already installed a MySQL database, you may skip these steps. You must install Postgres 9.5 or later for SAM and Schema Re... -
选择服务
Steps 下一步 更多信息 根据在Select Stack 步骤中选择的堆栈，您可以选择要安装到集群中的服务。堆栈包含许多服务。您可以选择立即安装任何其他可用的服务，或稍后添加服务。默认情况下，群集安装向导会选择所有可用的服务进行安装。 SmartSense 部署是强制性的。您无法清除使用群集安装向导安装 SmartSense 的选项。 选... -
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: ... -
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 equals identical countBy (a → String) → ... -
PL/pgSQL Functions
Dynamic Cypher Cypher commands can be run in PL/pgSQL functions without restriction. Data Setup SELECT * FROM cypher ( 'imdb' , $$ CREATE ( toby : actor { name : ... -
数据源中心
MySQL PostgreSQL HIVE SNOWFLAKE KYUUBI Spark Amazon Athena Azure SQL Database Redshift Oracle Trino StarRocks DAMENG OceanBase SSH Databend HANA Doris
