OpenSearchCon Japan 2025
2025-12-11
Tokyo, Japan
as the organisers put it
Join OpenSearchCon Japan—a one-day, in-person event to learn, connect, and collaborate on search, observability, and security with local experts.
who it's for
opensearch operators and maintainers, platform engineers, site reliability engineers, data engineers, machine learning engineers, security engineers, engineering managers
topics
separated index and search workloads; leader-writer remote store; opensearch security layer and tokens; MCP server for LLM integration; agentic memory long-term index; neural sparse retrieval; jwt authentication for multi tenancy; otel auto-instrumentation for LLMs; gitops disaster recovery with operator; kuromoji-based Japanese tokenization
| title | author | length |
|---|---|---|
| Keynote: Opening Remarks | Bianca Lewis | 08m |
OpenSearch reports concrete growth: from 800,000 to 1.4 billion downloads in a year and from 200 to 3,300 contributors, with release cadences now on… | ||
| Keynote: OpenSearch: From Project to Community-Driven Ecosystem—Building Sustainable Governance Together | C. Pelvet | 14m |
Technical governance now sits with a 15‑member Technical Steering Committee representing 11 organizations and an elected Governing Board while OpenSearch ranks… | ||
| Keynote: Illuminating the Japanese Market with the Power of OpenSearch: The Challenge of Processing One Million Pages of Information | A. Santo | 21m |
Japan’s disclosure ecosystem generates about 150,000 files a year totaling 1 million pages, from ~4,000 listed companies, which would take roughly two to three… | ||
| Maximize Resource Efficiency with Separated Index and Search Workloads | Sotaro Hikita | 31m |
OpenSearch 3.0 adds leader‑writer separation that uses remote store and segment replication so indexing and querying run on different node pools. A… | ||
| Future Paths for the OpenSearch Security Layer | Nils Bandener, Craig Perkins | 30m |
Proposal introduces an feature flag gated change that returns only the indices a user actually has privileges for (RFC #584814) by reusing ignore_unavailable… | ||
| AI Agents in Action: Harnessing MCP and OpenSearch for Modern Use Cases | A. Soni, A. Tiwari, S. Saharan | 28m |
OpenSearch 3.x adds a built-in MCP server that standardizes how LLMs call search and observability tools, simplifying ops and security. Demo ties a standalone… | ||
| ChatOps Using OpenSearch MCP Server | Aswath Srinivasan, Hajer Bouafif | 28m |
Demo of opensearch-mcp-server-py connects OpenSearch clusters to AI CLIs like Kiro CLI and runs concrete ops checks: cluster health, cat allocations, index… | ||
| Practical Migration From Distributed OpenSearch Environments To Enterprise-wide SIEM Platform | K. Imaizumi | 11m |
Migration consolidates multi-account logs into a shared OpenSearch SIEM using S3 replication + Lambda triggers, snapshot sync and Python + AWS4Auth, converting… | ||
| Fast and Explainable Search on a Budget With OpenSearch Neural Sparse | Zhichao Geng | 13m |
Claims that doc-only inference-free neural sparse retrieval (token-weight vectors) yields high relevance with predictable CPU latency: OpenSearch models on… | ||
| Securing the Data Frontier: Real-World Strategies With OpenSearch | Akshat Sharma | 13m |
Production deployment uses OpenSearch as a real analytics engine ingesting cloud APIs, network and system logs, enriching them with geoip and threat feeds, and… | ||
| A Case on Building a Multilingual Business Matching System With OpenSearchService | Yuta Itatsu | 14m |
Migrates a legacy SQL search that suffers 10s latencies to a FastAPI front end backed by Amazon OpenSearch Service, replacing brittle code-based synonyms with… | ||
| OpenSearch Agentic Memory: Intelligent Context for AI Agents | Dhrubo Saha, Sicheng Song | 32m |
OpenSearch Agentic Memory describes a concrete system: a conversation memory index collects session logs, a background memory builder extracts facts via an LLM… | ||
| Agentic Hybrid Retrieval: Orchestrating LLM Agents, Hybrid Search & Explainability in OpenSearch | S. Ghadge | 22m |
An OpenSearch pipeline uses an LLM agent that generates DSL queries at runtime to choose between hybrid BM25+vector retrieval or both, logs its reasoning for… | ||
| Mastering Search Performance: Advanced Query Insights for Production OpenSearch | C. Ji, D. Zane | 29m |
Query Insights ships as a backend plugin plus dashboard plugin (available since OpenSearch 2.12) and captures queries at the coordinator node into a request… | ||
| Intelligent Japanese Search With OpenSearch | Shunsuke Goto | 31m |
Shows concrete recipes: uses Sudachi tokenizer, script normalization and synonym expansion to prepare Japanese text, indexes Amazon Reviews and runs controlled… | ||
| 30 Minutes To Zero: Slashing Debug Time With WhatIsWrongWithThis? | Priyansh Mehta | 23m |
A core aggregator calling 70 downstream clients suffers 30‑minute log delays; the team builds WhatIsWrongWithThis? using non-invasive HTTP interceptors and a… | ||
| Lessons From Migrating To OpenSearch: Shard Design, Log Ingestion, and UI Decisions | K. Fujiwara | 33m |
Migrated 150GB per day of logs from Elasticsearch to Amazon OpenSearch Service using Fluentd for shipping, ISM/aliases and rollover to cut ~3,000 shards down… | ||
| OpenSearch Data Separation With JWT Authentication for Multi-tenant Applications | Kazuki Nagasawa | 14m |
Shows a concrete pattern: an ID provider issues a JWT containing a tenantID claim; a backend microservice reads that claim, looks up routing in a metadata… | ||
| Plug-and-Play Observability: OTel Auto-Instrumentation for LLMs in OpenSearch | A. Soni, A. Tiwari | 26m |
Demonstrates a working pipeline that uses OpenTelemetry auto-instrumentation plus an auto-collector and Data Prepper to send traces, metrics, logs and profiles… | ||
| Rule-Based Auto-Tagging in OpenSearch: A Flexible Approach To Multi Tenancy | L. Chen, K. Kumar | 26m |
A rule-based auto-tagging system for OpenSearch assigns workload group IDs to incoming requests by evaluating index pattern, username and role and supports… | ||
| From Chaos To Control: GitOps Disaster Recovery With the OpenSearch Operator | Rishabh Soni | 30m |
Shows that the OpenSearch Operator plus a GitOps pipeline actually restores a full cluster state — CRDs, node pools, security, index templates and scheduled… | ||
| Keynote: Closing Remarks | Lisa Briggs, Kris Freedain | 08m |
OpenSearch reports concrete growth: contributor activity rises from about 70–80 to top 20 contributor rank since joining the Linux Foundation, with community… | ||
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