Get to know OpenSearch 3.9
September 29, 2026
OpenSearch 3.9 accelerates vector search with a native neural sparse engine and new compression options, brings alerts, anomalies, and forecasts into one unified view, and protects clusters with adaptive concurrency limits and index-level search pruning. The release also advances the OpenSearch Observability Stack with redesigned trace details, reusable PromQL dashboards, and no-code alert rules.
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Found 482 posts
NVIDIA Nemotron embeddings for agentic search in OpenSearch
October 21, 2026
NVIDIA Nemotron-3.5-Embed-1B improves nDCG@10 on the BRIGHT benchmark by up to 65 percent compared with bge-m3, and agentic search with Nemotron issues fewer search steps with no increase in end-to-end latency.
Climbing the ladder: Understanding OpenSearch’s Contribution Ladder policy
October 19, 2026
Learn how OpenSearch's Contribution Ladder policy defines a clear, merit-based path from first-time contributor to maintainer, and how you can start climbing.
Beyond Top-K: Building search-confidence guardrails for agentic AI with OpenSearch
October 15, 2026
Top-K retrieval always returns results-even when nothing relevant exists. This post introduces a confidence layer framework that gives agents the ability to say 'I'm not confident enough to act,' using OpenSearch primitives like normalization processors, min_score, script_score, and reranking via ML Commons.
Explore OpenSearch logs in Perses with the new data source plugin
October 13, 2026
Query and visualize OpenSearch logs in Perses with the new data source plugin. See how SAP unifies logs, metrics, and traces with PPL for faster on-call triage.
My agents told me to enter: an independent builder at OpenSearchCon 2026
October 8, 2026
Before the Hackathon Winners Showcase, I told the hosts that my own agents had told me the OpenSearch Agent Skills Hackathon was right for me. Here is what happened next, what I heard at OpenSearchCon North America 2026, and what I am taking home.
OpenSearchCon North America 2026: Beyond Search to the Trust Layer of Agentic AI
October 2, 2026
Nine keynotes from OpenSearchCon North America 2026 show OpenSearch growing from a search engine into the trust layer for agentic AI: speed, collaboration, transparency.
Managing resource access from a plugin page in OpenSearch Dashboards
October 1, 2026
OpenSearch 3.9 adds resource sharing controls to plugin pages in OpenSearch Dashboards, so you can see and change who can access a detector, monitor, or model group from the list where you already find it. Plugin developers can add the same controls with a single placeholder element and no dependency on the Security plugin.
Get to know OpenSearch 3.9
September 29, 2026
OpenSearch 3.9 accelerates vector search with a native neural sparse engine and new compression options, brings alerts, anomalies, and forecasts into one unified view, and protects clusters with adaptive concurrency limits and index-level search pruning. The release also advances the OpenSearch Observability Stack with redesigned trace details, reusable PromQL dashboards, and no-code alert rules.
OpenSearch Kubernetes Operator 3.0 is now generally available
September 25, 2026
The OpenSearch Kubernetes Operator 3.0 GA release delivers production-grade rolling upgrades, TLS lifecycle management, safe scaling, and a tested migration from 2.x.
Expanding the OpenSearch Community: Welcoming our new OpenSearch Ambassadors
September 21, 2026
The OpenSearch Ambassador Program expands to over 30 global leaders, welcoming 11 new community advocates in our September 2026 cohort. Meet the new ambassadors driving open-source search and AI forward.
Driving open governance: What the Technical Steering Committee accomplished this year
September 18, 2026
Learn what the OpenSearch Technical Steering Committee accomplished this year: modernized elections, new TAGs, FIPS compliance targets, and refreshed membership.
FIPS 140-3 support in OpenSearch
September 16, 2026
OpenSearch now supports running in a mode compliant with FIPS 140-3, contributed through a multi-year collaboration between SAP, SAS, and AWS.
And the winners are: Announcing the results of the OpenSearch Agent Skills Hackathon
September 14, 2026
Meet the three winners of the OpenSearch Agent Skills Hackathon. Their skills tackle log root-cause analysis, GDPR compliance, and slow-query diagnostics, all built read-only, fully auditable, and shipped with real evaluation.
A visual guide to troubleshooting search performance using Query Insights dashboards
September 4, 2026
OpenSearch Query Insights dashboards provide interactive visualizations for monitoring live queries, analyzing top N query performance, and viewing individual query details. This post explores each visualization and shows how to use visualizations to troubleshoot search performance issues.
Online index migration and shard scaling in OpenSearch with the AOSC plugin
August 18, 2026
Learn how the open-source AOSC plugin migrates live OpenSearch indexes—changing mappings, settings, or shard counts—without losing writes or requiring downtime.
From Search to Search & Apache Lucene: Growing the heart of OpenSearchCon
August 14, 2026
Learn how community feedback transformed OpenSearchCon's Search track into a dedicated home for Apache Lucene practitioners. Discover the new Search & Apache Lucene track at OpenSearchCon North America 2026, September 22–24 in San Jose.
Introducing memory retention for agentic memory in OpenSearch
August 13, 2026
Learn how the memory retention policy in OpenSearch automatically manages the lifecycle of agentic memory, controlling storage growth while preserving specific memories.
Building open-source observability together: The OpenSearch Observability TAG turns one
August 11, 2026
The OpenSearch Observability TAG's first year: 10+ orgs shipped OTLP ingestion, Prometheus metrics, an open-source Observability Stack, and AI agent observability.
The real cost of your observability stack
August 7, 2026
AI agents generate 10x the telemetry, and proprietary per-GB pricing punishes you for it. See how the open-source OpenSearch Observability Stack unifies logs, traces, and agent telemetry without vendor lock-in.
What’s new in OpenSearch 3.8
August 4, 2026
OpenSearch 3.8 expands the platform's search, AI, and observability capabilities with enhanced vector performance, broader agent integrations, and new tools to help you simplify analytics workflows from ingestion to investigation.
