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.


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.

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.

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
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.

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.

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.

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.

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.