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ClinSpark customers have available to them a live read-only copy of their production ClinSpark database called a Read Replica (RR).  This document will describe what a Read Replica is from a technical perspective.  It will provide descriptions of key aspects of the underlying Data Model so that technical users may better understand how the data is stored.  And it will explore various use cases for leveraging the Read Replica as well as some examples.  .

Note

Users that can access the RR can see everything including data items blinded in the User Interface, with the exception of Javascript Edit Checks and Methods (which are currently encrypted).

It is possible to implement different security for special database accounts, but that would require engineering work and cost and be non-standard.

Read Replicas

All ClinSpark data is stored within a MySQL compatible relational database within the AWS Cloud.  The Master database is the production database for the ClinSpark instance.  This is where all data is written to and updated during the use of the ClinSpark application.  In addition to other live backup mechanisms for operational use, a special read-only copy of this production data can be made available to customers.  This database is a dedicated copy of the production database, solely for the purpose of customer usage.  It is not used by running ClinSpark instances in any way.  It is read-only, meaning that it does not accept writes, and it is not possible for any usage of this database to impact the Master database in any way.

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