In principle, the sizing guidelines remain the same. Q: Do managed clusters that use Multi-AZ with Standby need to be sized differently? How do we size managed clusters for Multi-AZ with Standby?

Downtime of OpenSearch Dashboard during version upgrades.

Loss of one or more services that Amazon OpenSearch Service depends on like ARPS and ALB.

Downtime caused due to insufficient compute or storage as a result of change in workload characteristics.

Loss of more than 50% nodes in more than one AZ.

Loss of master Quorum, as recovery from this event can take several minutes.

Storage failure on a node in the active AZĬurrently Multi-AZ with Standby does not cover the following events:.

Instance hardware failure in the active AZ.Loss of one active AZ or all nodes in an active AZ.Amazon OpenSearch Service automatically fails over from active to standby nodes in under a minute when any of the following events occur: With Multi-AZ with Standby, Amazon OpenSearch Service detects and automatically recovers from some of the infrastructure failures. Q: What are the failure scenarios covered and not covered by the feature? OpenSearch is powered by the Apache Lucene search library, and it supports a number of search and analytics capabilities such as k-nearest neighbors (KNN) search, SQL, Anomaly Detection, Machine Learning Commons, Trace Analytics, full-text search, and more. OpenSearch provides a highly scalable system for providing fast access and response to large volumes of data with an integrated visualization tool-OpenSearch Dashboards-that makes it easier for users to explore their data. OpenSearch helps you more easily ingest, secure, search, aggregate, view, and analyze data for a number of use cases such as log analytics, application search, enterprise search, and more. For example, there are partners who provide OpenSearch on other cloud platforms, or use OpenSearch in their applications. However, OpenSearch is a distributed, community-driven, Apache 2.0-licensed, 100% open-source search and analytics suite that you can run on premises or in hybrid and multicloud environments. As a fully managed service, Amazon OpenSearch Service currently runs on AWS. Q: How can Amazon OpenSearch Service be used for resources running on premises or on other clouds?Īmazon OpenSearch Service is a fully managed service that lets you run and scale OpenSearch clusters without having to worry about managing, monitoring, and maintaining your infrastructure, or having to build in-depth expertise in operating OpenSearch clusters.

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