Optional - Enabling a Database Read Replica

Some database queries that retrieve very large amounts of data can potentially impact the performance of your production database and Moodle or Totara. We strongly recommend that Zoola access a copy of the Moodle or Totara data via a replica database. A replica or backup can provide a buffer between your production Moodle or Totara site and Zoola Analytics and allow both systems to perform optimally.

For more information on database replicas, please visit:

• MySQL 5.7
  https://dev.mysql.com/doc/refman/5.7/en/replication-howto.html
  
  
• PostgreSQL 9
  https://wiki.postgresql.org/wiki/Binary_Replication_Tutorial
  
  
• AWS Read Replicas
  https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_ReadRepl.html