SVSai Varnik Kammariinsaivarnik.hashnode.dev ELASTIC BLOGATHON 2026 Building a Simple RAG Pipeline with Elasticsearch as a Vector Database: A Practical Guide with Architecture, Code & Lessons LearnedBy Software Engineer (GenAI / Search) | Elastic Blogathon 2026 | Theme: Vectorized Thinking Abstract Retrieval-Augmented Generation (RAG) is reshaping how developers build AI-powered search and q1d ago·10 min read
SJSriniketh Jinsrinikethj.hashnode.devOne Index, Two Search Modes 🔍: Building a Natural-Language Inventory Bot 🤖 using ElasticsearchIntroduction Inventory management systems face a fundamental challenge that has persisted for ages: data is spread across multiple spreadsheets, notebooks, papers, messages, emails, WhatsApp, and the 1d ago·18 min read
RSReactive Searchinblog.reactivesearch.ioReactiveSearch is Now Fully Open SourceThe entire ReactiveSearch stack is now completely free and open-source: API gateway, dashboard, search relevancy, pipelines, AI search, analytics, access control, caching, UI builder and more. No payw3d ago·3 min read
PSProsenjeet Sahainprosenjeet-blog.hashnode.devAgentic Search Powered by Elastic’s Agent Builder: Lessons from Building Autonomous Search Systems in PracticeSocial post Disclaimer: This post is submitted as part ofThe Elastic Blogathon. Blog Disclaimer: “This blog post was submitted to the Elastic Blogathon Contest and is eligible to win a prize." Author 2d ago·5 min read
AOAKEBLI Ouassiminnosqlnest.netFrom Zero to Green: Automating a Production-Ready, Secured 3-Node Elasticsearch ClusterChapter 1: Architecture & Design Before writing a single line of code, we must understand the "Physical" and "Logical" layout of the cluster we are building, This project deploys a hyper-converged, 3-node Elasticsearch cluster using Vagrant and Virtu...Feb 17·17 min read
HSHarshit Sahuinharshitsahu2311.hashnode.devZero To Hero: ELK STACKIntroduction The elastic stack reliably and securely take data from any source, in any format, then search, analyze and visualize in real time. Uber — elasticsearch is the engine that used to find uber drivers near by.Tinder — relies on elastic stack...Feb 14·23 min read
TTERMTRIXintermtrix.hashnode.devBuilding a Basic RAG Application Using Elasticsearch as Both Data Store and Vector StoreTΞRMTRIX Retrieval-Augmented Generation (RAG) has become a core pattern for building intelligent applications that can reason over private data, logs, and knowledge bases. In this article, I’ll walk through a basic but production-relevant RAG setup w...Feb 15·5 min read
TITech Insights Hubintopperblog.hashnode.devElasticsearch Mapping: Index TemplateWhy Legacy Mapping Strategies Fail at Scale The default dynamic mapping behavior in Elasticsearch creates a dangerous illusion of flexibility. When Elasticsearch encounters a new field, it infers the type and adds it to the mapping automatically. Thi...Feb 12·10 min read
TITech Insights Hubintopperblog.hashnode.devELK Stack: Elasticsearch Logstash KibanaWhy Traditional ELK Deployments Fail in Modern Environments The original ELK stack tutorials from 2015-2020 focused on simple single-node deployments or basic three-node clusters that don't reflect current operational realities. These legacy approach...Feb 12·10 min read
TITech Insights Hubintopperblog.hashnode.devElasticsearch Query DSL: Search OptimizationElasticsearch Query DSL: Full-Text Search Optimization When your Elasticsearch cluster starts returning search results in 3+ seconds instead of milliseconds, or when users complain that relevant documents appear on page five while irrelevant ones dom...Feb 12·11 min read
