k-NN search with nested fields Indexing and searching nested fields Inner hits k-NN search with filtering on nested fields k-NN search with nested fields Using nested fields ...

Version history Version history OpenSearch version Release highlights Release date 2.5.0 Includes index management UI enhancements, multi-layer maps, Jaeger support for observa...

JNI libraries This version of the OpenSearch documentation is no longer maintained. For the latest version, see the current documentation . For information about OpenSearch versi...

cat segments Example Path and HTTP methods URL parameters Response cat segments Introduced 1.0 The cat segments operation lists Lucene segment-level information for each in...

cat segments Example Path and HTTP methods URL parameters Response cat segments The cat segments operation lists Lucene segment-level information for each index. Example...

Full-text queries Query types Match Multi-match Match Boolean prefix Match phrase Match phrase prefix Query string Simple query string Match all Advanced filter options Wi...

Full-text query types and options Query types Match Multi-match Match Boolean prefix Match phrase Match phrase prefix Query string Simple query string Match all Advanced f...

k-NN vector field type Example Method definitions Model IDs Lucene byte vector Quantization techniques Scalar quantization for the L2 space type Scalar quantization for the cos...

Use index sorting to speed up conjunctions Use index sorting to speed up conjunctions Index sorting can be useful in order to organize Lucene doc ids (not to be conflated with ...

JNI libraries JNI libraries To integrate nmslib and faiss approximate k-NN functionality (implemented in C++) into the k-NN plugin (implemented in Java), we created a Java Nat...