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Status Submitted
Categories Atlas
Created by Guest
Created on May 9, 2023

Allow multiregion sharded clusters to have Primary nodes in multiple regions

For multi-region sharded clusters, the primaries for each shard remain in a single (highest priority) region in Atlas. If these primaries can be spread across multiple regions, that will a) provide consistent average response time for applications that connect from multiple regions as active-active b) Limit the blast radius if the highest priority region is unavailable c) Better distribution of workload from an application side. This architecture is currently possible with EA deployments but not with Atlas.
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  • Guest
    May 9, 2023
    The flexibility one has with sharding EA on-prem should be available in Atlas as well. Building active-active - meaning handling ingest/writes from all regions - is important for cloud apps.