Today, Amazon OpenSearch Service announces Multi-AZ with Standby, a new deployment option that enables 99.99% availability and consistent performance for business-critical workloads. With Multi-AZ with Standby, OpenSearch Service domains are resilient to potential infrastructure failures, such as a node or an Availability Zone (AZ) failure. Multi-AZ with Standby also ensures OpenSearch Service domains follow recommended best practices, simplifying configuration and management.