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Oracle R Connector for Hadoop (ORCH) FAQ (Doc ID 1522306.1)

Last updated on APRIL 08, 2020

Applies to:

Oracle R Connector for Hadoop
Information in this document applies to any platform.


 This document is intended to provide answers to frequently asked questions about the Oracle R Connector for Hadoop (ORCH)

Questions and Answers

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In this Document
Questions and Answers
 What is Oracle R Connector for Hadoop (ORCH)?
 Is Oracle Database required when using Oracle R Connector for Hadoop?
 Can standard R code be translated into MapReduce?
 Does ORCH automatically convert R scripts into MapReduce programs?
 What Oracle product allows R read/write access to Hadoop Distributed File System (HDFS) and remove the limit of R on using in-memory data?
 Is there access to Hive with the Oracle R Connector for Hadoop?
 Avro File Support
 When setting up an Oracle Big Data Appliance (BDA) client machine do I have to install Oracle R Distribution (ORD) as root or sudo?
 When setting up a BDA client machine do I have to install Oracle R Enterprise V1.3 (ORE) as root or sudo?  What about installing ORE V1.3 on the BDA?
 Since ORD is installed as root or sudo is there a way to install other R packages as non-root user?
 Since the standard R distribution is installed on all nodes of the BDA do I need to buy any additional product to use R in combination with MapReduce on each node?
 Do I need to buy the Advanced Analytics option for use on the BDA?
 When using Oracle R Enterprise (ORE) with ORCH are there any restrictions on the ORE supporting packages which can be used?
 Installation and Licensing
 Sample Code
 Other Resources
 Does ORCH 2.3.0 support compression?
 How can the following R packages be installed on the BDA?
 In BDA V4.3/ORAAH 2.5 what is the list of R functions currently overloaded in the HIVE transparency layer?
 How can I use Oracle R Distribution (ORD) 3.2.0 on BDA 4.4/4.5 which by default have ORD 3.1.1?
 Is it recommended to use ORAAH 2.6.0 on BDA V4.5?
 Does ORAAH 2.6.0 support factors?
 What is the best way to upgrade Oracle R Distribution (ORD) from 3.2.0 to 3.3.0 on the BDA when Oracle R Advanced Analytics for Hadoop (ORAAH) 2.7.0 is installed and used?
 Where are the details on the ORAAH 2.7.1 download?
 Are there any ORAAH benefits to upgrading to BDA 4.13?
 Can the R version on a BDA cluster be upgrade to the latest from the EPEL repo?

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