OpenSearchCon Europe 2026

Explore the full lineup of talks from OpenSearchCon Europe 2026, covering search, observability, AI, security, and more.

Keynote: Opening Remarks – Bianca Lewis, Executive Director, OpenSearch Software Foundation

Keynote: Opening Remarks – Bianca Lewis, Executive Director, OpenSearch Software Foundation

Keynote: The Next Generation of Enterprise Search: Intent‑Aware, Hybrid, and Open – Dom Couldwell

Keynote: Bianca Lewis, Executive Director, OpenSearch Software Foundation, The Linux Foundation

Sponsored Keynote: AI-Driven Deployment and Monitoring Across Federated Cloud-Edge Sites –  G. Conti & B. Ginestra

Beyond Hot Spots: Revolutionising OpenSearch Performance Through Heat-Aware Shard Allocation – G. Bafna & A. Bandejiya

Running OpenSearch in the Real World: Migration, Mistakes and Maturity – Tom Snuverink & Marco Arts

Running OpenSearch in the Real World: Migration, Mistakes and Maturity – Tom Snuverink & Marco Arts

A Brief Guide to Secure Agentic Knowledge Retrieval – Christian Gross, RheinInsights GmbH

Alert Fatigue to Action: Observability as the Backbone of Practical AIOps with OpenSearch – S. Pampaloni

Beyond Benchmarks: Real-World AI Search Performance in OpenSearch (Lucene Vs Faiss Vs JVector) – Fernando Rejon Barrera, Zeta Alpha

From Embeddings To Index: A Practitioner’s Guide To Domain-Adapted Neural Search – Samuel Herman, Oracle

Building an Inclusive, Diverse Community From the Ground Up – Kassian Wren, NetApp Instaclustr

Enabling Secure, Fine-Grained Resource Sharing for Team Collaboration in OpenSearch – Darshit Chanpura & Craig Perkins, Amazon

Vendor-Agnostic Analytics: Querying Open Columnar Formats With OpenSearch – Bharathwaj G & Arpit Bandejiya, Amazon Web Services

Integrating Docling With OpenSearch for Advanced RAG and Agentic Applications – Cesar Berrospi Ramis, IBM Research

Accelerating Aggregations with Lucene-Aware Execution in OpenSearch – Ankit Jain, Amazon Web Services

Getting Started With OpenSearch Development – Andrew Ross & Saurabh Singh, AWS

Building RAG With OpenSearch ML Plugins: From PDFs To Voice-Enabled Search – Kushagra Sharma, Genesys

Ingesting Observability Data: OpenTelemetry Collector or Data Prepper? – Karsten Schnitter, SAP SE

Late Interaction Retrieval in Practice: Implications for OpenSearch-Based Search Systems – Francisco Losada de la Rosa, AWS

Apache Lucene Vector Search Update – Michael Sokolov, Amazon

Distributed OpenSearch Monitoring at Scale With Apache NiFi and MiNiFi Agents – Vincenzo Lombardo, Seacom

Agentic Relevance Tuning With OpenSearch: Faster, Easier, and Higher Quality Search at Scale – Bobby Mohammed, Amazon Web Services & Daniel Wrigley, OpenSource Connections

Operating OpenSearch at Scale With Kubernetes Operators: Lessons Learned and Community Insights – Christian Dinse, SAP SE & Prudhvi Godithi, AWS OpenSearch

The Forbidden Index: How We Turned OpenSearch Into a Privacy-Preserving Superhero – Unnati Mishra, Independent & Akshat Khanna, Angel One

The Lucene Scalpel: Tuning Low-Level Segments for Multi-Lingual Concurrency – Divyanshu Mishra, Independent

Writable Warm: Breaking the Read-Only Barrier in OpenSearch Tiering – Sandeep Kumawat, Harshita Kaushik & Shubh Sahu, AWS Opensearch

Fluent Bit & OpenSearch: The Power Couple of Open Source Observability – Patrick Stephens, Fluent Bit Maintainer

Building a Modern Search Engine: The Road Ahead – Eric Pugh, OpenSource Connections

Teaching OpenSearch To Read YAML: Finding Broken Infrastructure Before It Breaks – Unnati Mishra, Independent

Upcoming Changes for the OpenSearch Index Authorization Mechanisms – Nils Bandener, Eliatra

Road To Maintainership: Shaping OpenSearch’s Future – Varun Bansal, AWS

Fine-tuning Neural Sparse Model for Domain Specific Data From an Existing OpenSearch Index – Aswath Srinivasan & Cedric Pelvet, Amazon Web Services

Scaling Welfare With Open Source: How NAV Migrated To Managed OpenSearch – Dmitry Kan, Aiven & Hans Kristian Flaatten, Norwegian Government

From Logs To Signals: Rethinking System Monitoring With OpenSearch – Shruti Chaturvedi, Independent

Caching for Speed: Practical Performance Optimization in OpenSearch & Lucene – Sagar Upadhyaya & Ankit Jain, Amazon Web Services

Unified Performance Observability in OpenSearch: Integrating Workload Management and Query Insights – Lindsay Chen & Emily Guo, Amazon Web Services

Sharding 2.0: Unlocking Infinite Search Scalability in OpenSearch – Vikas Bansal & Paras Jain, Amazon Web Services

Boosting OpenSearch Performance: Lucene Bulk Collection and gRPC Search in Action – Abdul Muneer Kolarkunnu & Carlos Rolo, NetApp Instaclustr

The OSS-ential Understanding of Community Health and Metrics – Ijeoma Onwuka, Independent

Unlocking Next-gen Semantic Search With OpenSearch 3.x – Pietro Mele & Lucian Precup, Adelean

Unlocking Next-gen Semantic Search With OpenSearch 3.x – Pietro Mele & Lucian Precup, Adelean

Unlocking Next-gen Semantic Search With OpenSearch 3.x – Pietro Mele & Lucian Precup, Adelean

Unconference – Part 1

Unconference – Part 2

Vectors Vs. Hallucinations: OpenSearch’s GenAI Survival Kit – Laysa Uchoa, Independent

Using Native CPU Vectorized Instructions for 60% Speedup on Lucene’s KNN Vector Search – Shubham Chaudhary, Amazon

Keynote: Closing Remarks – Kris Freedain, Senior Community Manager & Patti Juric, Senior Marketing Content Manager, OpenSearch Project