This week, Microsoft announced the public preview of geo-replication for Azure Event Hubs. Geo-replication enhances Microsoft Azure data availability and geo-disaster recovery capabilities by enabling the replication of Event Hubs data payloads across different Azure regions.

With geo-replication, your client applications continue to interact with the primary namespace. Customers can designate a secondary region, choose replication consistency (synchronous or asynchronous), and set replication lag for the data. The service handles the replication between primary and secondary regions. If a primary change is needed (for maintenance or failover), the secondary can be promoted to primary, seamlessly servicing all client requests without altering any configurations (connection strings, authentication, etc.). The former primary then becomes the secondary, ensuring synchronization between both regions.

In summary, geo-replication is designed to provide you with the following benefits:

  • High availability: You can ensure that your data is always accessible and durable, even in the event of a regional outage or disruption. You can also reduce the impact of planned maintenance events by switching to the secondary region before the primary region undergoes any updates or changes.
  • Disaster recovery: You can recover your data quickly and seamlessly in case of a disaster that affects your primary region. You can initiate a failover to the secondary region and resume your data streaming operations with minimal downtime and data loss.
  • Regional compliance: You can meet the regulatory and compliance requirements of your industry or region by replicating your data to a secondary region that complies with the same or similar standards as your primary region. You can also leverage the geo-redundancy of your data to support your business continuity and resilience plans.

How to get started with Azure Event Hubs Geo-replication?

If you want to try out Azure Event Hubs Geo-replication, please check out the official documentation over at Azure Event Hubs Geo-replication documentation and they also have a demo here.

I look forward to when this becomes GA and is available in more regions.

Enjoy!

References

https://techcommunity.microsoft.com/t5/messaging-on-azure-blog/announcing-public-preview-for-geo-replication-for-azure-event/ba-p/4164522

Azure Event Hubs Geo-replication documentation

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Posted by Callon Campbell [MVP]

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