AWS::OpenSearchServerless::Index Method - AWS CloudFormation
SyntaxProperties
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AWS::OpenSearchServerless::Index Method

Configuration for k-NN search method.

Syntax

To declare this entity in your CloudFormation template, use the following syntax:

JSON

{
  "Engine" : String,
  "Name" : String,
  "Parameters" : Parameters,
  "SpaceType" : String
}

YAML

  Engine: String
  Name: String
  Parameters: 
    Parameters
  SpaceType: String

Properties

Engine

The k-NN search engine to use

Required: No

Type: String

Allowed values: nmslib | faiss | lucene

Update requires: No interruption

Name

The algorithm name for k-NN search.

Required: Yes

Type: String

Allowed values: hnsw | ivf

Update requires: No interruption

Parameters

Additional parameters for the k-NN algorithm.

Required: No

Type: Parameters

Update requires: No interruption

SpaceType

The distance function used for k-NN search.

Required: No

Type: String

Allowed values: l2 | l1 | linf | cosinesimil | innerproduct | hamming

Update requires: No interruption