Blogs

Developer insights and practical how-to articles from our experts to inspire and empower your search experience

December 10, 2025

How to improve e-commerce search relevance with personalized cohort-aware ranking

Improve e-commerce search relevance with explainable, cohort-aware ranking in Elasticsearch. Learn how multiplicative boosting delivers stable, predictable personalization at query time.

How to improve e-commerce search relevance with personalized cohort-aware ranking
AutoOps in action: Investigating Elasticsearch cluster performance on ECK

December 9, 2025

AutoOps in action: Investigating Elasticsearch cluster performance on ECK

Explore how Elastic's InfoSec team implemented AutoOps in a multi-cluster ECK environment, cutting cluster performance investigation time from 30+ minutes to five minutes.

How excessive replica counts can degrade performance, and what to do about it

December 8, 2025

How excessive replica counts can degrade performance, and what to do about it

Learn about the impact of high replica counts in Elasticsearch, and how to ensure cluster stability by right-sizing your replicas.

Build a financial AI search workflow using LangGraph.js and Elasticsearch

December 5, 2025

Build a financial AI search workflow using LangGraph.js and Elasticsearch

Learn how to use LangGraph.js with Elasticsearch to build an AI-powered financial search workflow that turns natural language queries into dynamic, conditional filters for investment and market analysis.

Improving Kibana dashboard interactivity with variable controls

December 4, 2025

Improving Kibana dashboard interactivity with variable controls

Discover how to use variable controls in Kibana 8.18+ to filter individual visualizations, adjust time intervals, and group by different fields in Kibana dashboards.

Up to 12x Faster Vector Indexing in Elasticsearch with NVIDIA cuVS: GPU-acceleration Chapter 2

December 3, 2025

Up to 12x Faster Vector Indexing in Elasticsearch with NVIDIA cuVS: GPU-acceleration Chapter 2

Discover how Elasticsearch achieves nearly 12x higher indexing throughput with GPU-accelerated vector indexing and NVIDIA cuVS.

ES|QL in 9.2: Smart Lookup Joins and time-series support

December 2, 2025

ES|QL in 9.2: Smart Lookup Joins and time-series support

Explore three separate updates to ES|QL in Elasticsearch 9.2: an enhanced LOOKUP JOIN for more expressive data correlation, the new TS command for time-series analysis, and the flexible INLINE STATS command for aggregation.

Building a ChatGPT connector with Elasticsearch to query GitHub issues

December 1, 2025

Building a ChatGPT connector with Elasticsearch to query GitHub issues

Learn how to build a custom ChatGPT connector and deploy an Elasticsearch MCP server that uses hybrid search to query internal GitHub issues.

Developing an agentic RAG assistant using LangChain and Elasticsearch

November 28, 2025

Developing an agentic RAG assistant using LangChain and Elasticsearch

Learn how to build an agentic rag news assistant using LangChain and Elasticsearch that answers queries about articles with adaptive routing.

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