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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... -
Collect Information
Before deploying a cluster, you should collect the following information: The fully qualified domain name (FQDN) of each host in your system. The Ambari Cluster Install wizard s... -
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: ... -
10 Tables
References Tables are one of the primary ways in which we can communicate results in a report. You may often desire to tweak their appearance to suit your particular needs. In th... -
About the Authors
Yihui typed out most of the words in this book, which is the only justification for him being the “first” author. Christophe has made substantial contribution to this book by help... -
Accumulo Shell
Basic Administration Table Maintenance User Administration Accumulo provides a simple shell that can be used to examine the contents and configuration settings of tables, inser... -
Query based
Introduction Constructs QueryBasedSource QueryBasedExtractor build readRecord Configuration Introduction QueryBasedSource represents a category of sources whose data... -
Java Custom Catalog
Custom Catalog It’s possible to read an iceberg table either from an hdfs path or from a hive table. It’s also possible to use a custom metastore in place of hive. The steps to do... -
Documentation Architecture
Documentation Overview GitHub Wiki Limitations MkDocs ReadTheDocs Additional Information Documentation Overview The documentation for Gobblin is based on ReadTheDocs and Mk... -
Distributed locks and synchronizers
Lock Redis or Valkey based distributed reentrant Lock object for Java and implements Lock interface. Uses pub/sub channel to notify other threads across all Redisson instances w...
