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为集群命名
步骤 下一步 步骤 在 Name your cluster 中, 输入要创建的集群的名称。 名称中不得使用空格或特殊字符。 如果您计划对集群进行 Kerberize，请考虑限制集群名称（不超过 12 个字符），以适应 Kerberos 主体将附加到集群名称字符串以及某些身份提供程序对主体名称总长度施加限制的事实。 选择 Next ... -
Log In to Apache Ambari
Prerequisites Steps Next Step More Information Prerequisites Ambari Server must be running. To log in to Ambari Web using a web browser: Steps Point your web browser to... -
Configuration
Configuring Superset Connecting to Databases Alerts and Reports Caching Async Queries via Celery SQL Templating Timezones Network and Security Settings Setup SSH Tunneling ... -
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... -
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... -
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... -
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 -
FAQ
How do I access the installation page? Why can’t I receive the registration email? How do I switch the default language? What are the currently supported database types? Is migr... -
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... -
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...
