Amazon OpenSearch Service is a fully managed search and analytics service that makes it easy to deploy, secure, and operate scalable search and analytics workloads. One of the key features of Amazon OpenSearch Service is Multi-AZ with Standby, which provides high availability and durability for your search domain.
In this comprehensive guide by Amazon Web Services, we will explore the Multi-AZ with Standby feature of Amazon OpenSearch Service and how it can benefit your search and analytics workloads.
What is Multi-AZ with Standby?
Multi-AZ with Standby is a feature of Amazon OpenSearch Service that provides high availability and durability for your search domain. With Multi-AZ with Standby, your search domain is replicated across multiple Availability Zones (AZs) within a region, providing automatic failover in the event of a hardware or software failure.
In addition to the primary search domain, Multi-AZ with Standby also creates a standby search domain in a different AZ. The standby search domain is kept in sync with the primary search domain using asynchronous replication. If the primary search domain becomes unavailable, the standby search domain is automatically promoted to become the new primary search domain.
Benefits of Multi-AZ with Standby
The Multi-AZ with Standby feature of Amazon OpenSearch Service provides several benefits for your search and analytics workloads:
1. High availability: Multi-AZ with Standby provides automatic failover in the event of a hardware or software failure, ensuring that your search domain remains available and responsive to user queries.
2. Durability: By replicating your search domain across multiple AZs, Multi-AZ with Standby provides durability and protection against data loss in the event of a disaster or outage.
3. Scalability: Multi-AZ with Standby allows you to scale your search domain horizontally by adding more nodes to the cluster, providing increased capacity and performance for your search and analytics workloads.
4. Simplified management: With Multi-AZ with Standby, Amazon OpenSearch Service handles the replication and failover process automatically, reducing the need for manual intervention and simplifying management of your search domain.
How to enable Multi-AZ with Standby
Enabling Multi-AZ with Standby for your Amazon OpenSearch Service search domain is a simple process. You can enable Multi-AZ with Standby when you create a new search domain or by modifying an existing search domain.
To enable Multi-AZ with Standby when creating a new search domain, simply select the “Enable Multi-AZ with Standby” option in the “Configure cluster” section of the Amazon OpenSearch Service console.
To enable Multi-AZ with Standby for an existing search domain, navigate to the “Cluster configuration” section of the Amazon OpenSearch Service console and select the “Enable Multi-AZ with Standby” option.
Once Multi-AZ with Standby is enabled, Amazon OpenSearch Service will automatically create a standby search domain in a different AZ and keep it in sync with the primary search domain using asynchronous replication.
Conclusion
Multi-AZ with Standby is a powerful feature of Amazon OpenSearch Service that provides high availability and durability for your search and analytics workloads. By replicating your search domain across multiple AZs and automatically handling failover, Multi-AZ with Standby ensures that your search domain remains available and responsive to user queries, even in the event of a hardware or software failure.
Enabling Multi-AZ with Standby is a simple process that can be done when creating a new search domain or modifying an existing search domain. With Multi-AZ with Standby, you can scale your search domain horizontally, simplify management, and ensure the availability and durability of your search and analytics workloads.
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