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Elastic Social Manual / Version 2406.1

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3.2.3 Multiple Data Center Deployment

A multiple data center deployment of CoreMedia with Elastic Social can either be set up with one MongoDB Replica Set or multiple sharded Replica Sets. In both setups, the Replica Sets need to be distributed over the data centers to ensure data integrity in case of datacenter failure.

For more information have a look at the MongoDB documentation https://docs.mongodb.com/manual/.

Possible deployment options for a multiple data center deployment in extra large and XXL:

Extra Large 'XL'

The 'XL' deployment consists of six nodes running MongoDB configured as two sharded Replica Sets distributed over the data centers. This setup offers sharding, high availability and hot failover with six MongoDB nodes and can survive the failure of one data center if configured appropriately. When equipped with 256 GB of RAM for each node it may serve a working set of 10 million users and 30 million comments, likes or ratings.

Extra Extra Large 'XXL'

The 'XXL' deployment matches the 'XL' deployment and uses vertical scaling and better I/O throughput to boost read and write performance. Please contact CoreMedia for serious recommendations.

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