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Hi Riya,
Thanks for your input!
To clarify, while ElastiCache for Redis Global Datastore offers high availability and cross-region replication, it is single-threaded per shard, which can limit throughput for highly concurrent session workloads.
In this case, the requirement calls for multithreaded performance, sub-millisecond latency, and automatic node recovery, which ElastiCache for Memcached with Auto Discovery is designed to handle better.
Hope this helps! Let me know if you have any more questions. 😊
Best,
Irene @ Tutorials Dojo