Hhimanshuinhimanshutech.hashnode.dev·3d ago · 9 min readWhat AI Engineers Can Learn From OpenSearch's Move to gRPCWhy a search engine changing its transport protocol quietly became one of the most important infrastructure decisions for RAG and vector workloads in 2025 Let's start with a number that deserves more01A
JGJames Gainesinblog.gainesai.com·Apr 28 · 10 min readWhy Vector Search Alone Fails on Regulatory Documents TL;DR Vector search is great at finding semantically similar content, but it struggles with broad keyword-heavy queries common in regulatory and clinical document search. By combining BM25 keyword mat00
RWRick Wiseincloudcostwise.hashnode.dev·Apr 9 · 3 min readYour OpenSearch Bill Is Bigger Than You Think: A Technical Cost BreakdownOpenSearch can look cheap at first glance, then surprise you in the monthly bill. Most teams look at one line item and assume that is "the OpenSearch cost." In reality, OpenSearch spend is a composite of compute, storage, backups, and data movement, ...00
DLDhananjay Lakkawaringenaiguru.hashnode.dev·Mar 14 · 5 min readStop Overpaying for VectorDBs: Architecting Serverless RAG on AWSBuilding a Retrieval-Augmented Generation (RAG) prototype takes a weekend. Taking that prototype to production without burning through your infrastructure budget is a completely different engineering 10
RSReactive Searchinblog.reactivesearch.io·Feb 24 · 3 min readReactiveSearch 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 payw00
VPVeer Pratap Singhinveer-tech.hashnode.dev·Feb 10 · 6 min readBuilding a DORA-Compliant SOC Logging Architecture Building a DORA-Compliant SOC Logging Architecture with Wazuh and Azure Blob Storage When working with a European client in the financial domain, one of the key requirements we had to address was comp00
SNSakshi Nashainaws-opensearch-scale.hashnode.dev·Dec 24, 2025 · 2 min readOpenSearch vs Elasticsearch: what’s the actual difference?Where did OpenSearch come from? OpenSearch is a fork of Elasticsearch from version 7.10. The split happened because Elastic changed their license. That’s the main reason these are now two different pa00
ADAbinash Dashindynamicsearch.hashnode.dev·Dec 17, 2025 · 8 min readNormal Search vs Dynamic Search: How Modern Apps Actually Do ItSearch looks simple on the surface. You type a word, press Enter, and results appear. But once you start building real-world products, you quickly realize that search is far more than a database query — it’s a direct reflection of how thoughtfully an...00
SJSivaramakrishnan Janakiramanindesign-munch.hashnode.dev·Nov 22, 2025 · 5 min readElasticSearch / OpenSearch Shard Imbalance: The Hidden LimitationTo truly understand Elasticsearch or OpenSearch, you must understand shards. They dictate your cluster’s performance, reliability, scalability, and even cost. Without grasping how shards are stored and balanced, you can’t master the system. This post...00
SNSakshi Nashainaws-opensearch-scale.hashnode.dev·Nov 1, 2025 · 5 min readProduct Search at Scale with OpenSearch: Batch + Real-Time Architecture on AWSIt starts with a simple search… You open an ecommerce app and type: “women’s nightdress” Within milliseconds, you see hundreds of relevant results, ranked, filtered, and only showing what’s actually00
