How to size Elasticsearch cluster for 30 TB data and 600 concurrent users?

hi

We need help to size our elastic search cluster for following criteria:

  1. Data size on Disk is 30 TB
  2. Number of concurrent users querying Elasticsearch would be 600

At a high level we feel following sizing would be sufficient

16 -Core, 15 (Machines) with 64GB RAM and 2TB Harddisk space per node.

Can someone please guide us on sizing considerations for ES cluster for 30 TB data?

Any help would be appreciated.

Thanks,
Chetan

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