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配置 iptables
为了使 Ambari 在设置过程中与其部署和管理的主机进行通信，某些端口必须打开且可用。最简单的方法是暂时禁用 iptables，如下所示： RHEL/CentOS/Oracle/Amazon Linux systemctl disable firewalld service firewalld stop SLES rcSuSEfire... -
Presto
Presto allows you to query table formats like Hudi, Delta and Iceberg using connectors. The same setup will work for OneTable synced tables as well. For more information and requ... -
Relation
countBy difference differenceWith unionWith union gt gte intersection lt lte max min propEq sortBy countBy (a → String) → [a] → {*} Parameters fnThe function u... -
Function
_.after(n, func) Since Arguments Returns Example _.ary(func, [n=func.length]) Since Arguments Returns Example _.before(n, func) Since Arguments Returns Example _.... -
Using a local RedHat Satellite or Spacewalk repository
Next Step Many Ambari users use RedHat Satellite or Spacewalk to manage Operating System repositories in their cluster. The general process to configure Ambari to work with your ... -
Set Up Password-less SSH
About This Task Steps About This Task To have Ambari Server automatically install Ambari Agents on all your cluster hosts, you must set up password-less SSH connections between... -
Oracle Prerequisite
Due to limitations in Amazon RDS , the Ranger database user and tablespace must be created manually and the required privileges must be manually granted to the Ranger database use... -
7.10 Include the content of an existing HTML file (*)
With the includes option of the html_document format (or any other formats that support this option), you can include the content of an existing HTML file in the HTML output doc... -
Hudi
Hudi Integration Dependencies Hudi Operations Apache Hudi (pronounced “hoodie”) is the next generation streaming data lake platform. Apache Hudi brings core warehouse and datab... -
Security Overview
Security Overview Implementation Security Overview Accumulo has the following security features: Only authenticated users can access Accumulo. Kerberos can be enabled to re...