-
Configuring Druid and Superset Metadata Stores in MySQL
About This Task Steps About This Task Druid and Superset require a relational data store to store metadata. To use MySQL for this, install MySQL and create a database for the D... -
The AGE Cypher Query Format
Cypher() Cypher in an Expression SELECT Clause Cypher queries are constructed using a function called cypher in ag_catalog which returns a Postgres SETOF records . Cypher() c... -
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... -
Result
Result type Aggregates Example - Use of aggregates As we have seen, a JDOQL query is made up of different parts. In this section we look at the result part of the query. The re... -
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 betwee... -
Amazon Redshift Spectrum
Hudi and Iceberg tables Delta Lake table To read a OneTable synced target table (regardless of the table format) in Amazon Redshift, users have to create an external schema and ... -
1. Building Kyuubi
Building Kyuubi Building Kyuubi with Apache Maven Building a Submodule Individually Building Submodules Individually Skipping Some modules Building Kyuubi against Different Apa... -
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... -
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... -
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...