feat(move to OR instance class): Use the new opensearch instance class for our clusters. #481
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Purpose
Last year, amazon released some opensearch specific instance types, 'or'. This moves to that, and also upgrades opensearch from 2.3 to 2.11, a requirement of using the new type.
Linked Issues to Close
Closes https://qmacbis.atlassian.net/browse/OY2-27044
Approach
The upper environments remain on a large, which is a bit more expensive but has twice the ram.
The lower environments are moved from the smallest t3 instance to the smallest or instance. There is a price increase, but for the increased performance in the lower level, it seems a reasonable trade.
Assorted Notes/Considerations/Learning