-
4. 安装 Ambari
要在集群中的单个主机上安装 Ambari 服务器，请完成以下步骤： 访问 Ambari 存储库 下载软件 下载 Ambari 存储库 安装 Ambari 服务器 设置 Ambari 服务器 -
配置 Postgres 以允许远程连接
关于此任务 步骤 关于此任务 在部署集群之前，将 Postgres 配置为允许远程连接至关重要。如果您在安装集群之前未执行这些步骤，安装将失败。 步骤 打开 /var/lib/pgsql/9.6/data/pg_hba.conf 并更新为以下内容 # "local" is for Unix domain socket connect... -
Assign Slaves and Clients
Steps Next Step The Cluster Install wizard assigns the slave components, such as DataNodes, NodeManagers, and RegionServers, to appropriate hosts in your cluster. It also attemp... -
Configuring SAM and Schema Registry Metadata Stores in MySQL
Steps Steps Launch the MySQL monitor: mysql - u root - p Create the database for Schema Registry and SAM metastore: create database registry ; create database str... -
4.3 Access the document metadata in R code
When an Rmd document is compiled, all of its metadata in the YAML section will be stored in the list object rmarkdown::metadata . For example, rmarkdown::metadata$title gives you... -
Specifying an Oracle Database to Use with SAM and Schema Registry
About This Task Prerequisites Steps About This Task You may use an Oracle database with SAM and Schema Registry. Oracle databases 12c and 11g Release 2 are supported Prerequ... -
TDengine
Description Key features Options url [string] username [string] password [string] database [string] stable [string] timezone [string] Example sink TDengine sink connec... -
Configuration
Configuring Superset Connecting to Databases Alerts and Reports Caching Async Queries via Celery SQL Templating Timezones Network and Security Settings Setup SSH Tunneling ... -
Object
clone values eqProps keys omit pick pickAll project prop props where keysIn path valuesIn clone {*} → {*} Parameters valueThe object or array to clone Return... -
Prepared Statements
Cypher Parameter Format Prepared Statements Preparation Prepared Statements Execution Cypher can run a read query within a Prepared Statement. When using parameters with stored...
