During October 2024, Alagoda integrated Elasticsearch’s native kNN search into the apache/jackrabbit-oak repository, replacing the previous Elastiknn plugin to improve similarity search performance and maintainability. He refactored ElasticPropertyDefinition to utilize KnnSearchParameters and updated ElasticIndexHelper to configure dense_vector mappings directly in Elasticsearch, streamlining the codebase and reducing external dependencies. The work included enhancements in logging and constant extraction, supporting better observability and future maintenance. Using Java and YAML, Alagoda’s backend development focused on aligning with Elasticsearch’s native features, enabling smoother upgrades and lowering maintenance costs. The depth of changes addressed both technical and operational efficiency for the project.