Comments (2)
rpaw053
commented on July 4, 2024
the configuration for the backend store comprises a master DB deployed on the same EC2 node the application container is deployed, and a standby "slave" DB deployed on separate EC2 node (backup.orcidhub.org.nz).
Standby DB is set up as a read-only DB that keeps continuously "recovering" using:
- compressed and archived WAL logs shipped from the master DB using rsync;
- streaming replication providing near instantaneous data change replication from the master to the stand-by "slave" DB;
The backup server (node) is used also for storing DB backup file archives. The DB can be brought back from the backup file using a full backup file and a set of WAL log archive files created after the full backup.
In case if the master DB becomes unresponsive, the application would initiate fail-over procedure switching to the standby DB and promoting it to the master DB.
by rcir178from nz-orcid-hub.
rpaw053
commented on July 4, 2024
The entries for some ORCID configuration, roles and research organisation, are needed to be saved in database such as postgreSQL with the help of simple Restful API call.
by rpaw053from nz-orcid-hub.
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