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Frequently Asked Questions for Oracle NoSQL Database on Oracle Big Data Appliance (Doc ID 1589112.1)

Last updated on OCTOBER 13, 2019

Applies to:

Oracle NoSQL Database - Version 11.2.1.2.123 and later
Linux x86-64

Purpose

 To provide answers to frequently asked questions for Oracle NOSQL Database on Oracle Big Data Appliance.

Questions and Answers

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In this Document
Purpose
Questions and Answers
 On a BDA or cluster supporting Oracle NoSQL DB, if a new node (or an expansion) is added to the cluster, does Oracle NoSQL DB rebalance the data across the whole nodes?
 During a BDA V2.2.0 Oracle NoSQL DB Mammoth software install, "ERROR: An Appliance of name [cluster name] has already been installed", is raised.  How can it be resolved?
 Running bdacheckcluster on Oracle BDA V2.0.1 reports, "ERROR: Oracle NoSQL Database verification failed" . How can this be resolved?
 Connecting to an Oracle NoSQL DB raises, "java.net.ConnectException: Connection refused".  How can that be resolved?
 A "Mismatch between metadata in admin service" verification failure is reported by the CLI runadmin verify command. What is the cause and how can it be resolved?
 How can the exception "java.rmi.ConnectIOException: non-JRMP server at remote endpoint" be resolved?
 Where do the RNs (replication nodes) run?
 What is the recommendation, one Data Center with more nodes or multiple Data Centers with fewer nodes.
 Is NoSQL DB CE supported with Big Data Spatial and Graph?
 Where is more information on what is supported with NoSQL DB EE vs NoSQL DB CD found?
 When upgrading NoSQL DB on the BDA are there any prerequisites to consider like when upgrading a CDH cluster?
References

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