Amazon Elasticsearch Service offers k-Nearest Neighbor (k-NN) search which can enhance search by similarity use cases.
https://aws.amazon.com/about-aws/whats-new/2020/03/build-k-nearest-neighbor-similarity-search-engine-with-amazon-elasticsearch-service/
I tried this official code that I found here...
https://github.com/opendistro-for-elasticsearch/k-NN
PUT /myindex { "settings" : { "index": { "knn": true } }, "mappings": { "properties": { "my_vector1": { "type": "knn_vector", "dimension": 2 }, "my_vector2": { "type": "knn_vector", "dimension": 4 }, "my_vector3": { "type": "knn_vector", "dimension": 8 } } } }
Getting this error:
"unknown setting [index.knn] please check that any required plugins are installed, or check the breaking changes documentation for removed settings"
How do I check if my Elastic installation supports this feature?
Only high end servers support machine learning feature.
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