Blog

DHCP Ports 67 and 68 Explained: How DHCP Works

DHCP (Dynamic Host Configuration Protocol) automates IP address assignment to devices on a network, simplifying network management and reducing errors. It utilizes UDP ports 67 (se…

Best Enterprise Service Management Tools & Software in 2026

This article emphasizes that true Enterprise Service Management (ESM) goes beyond simply adding a ticketing system for non-IT departments; it requires a unified platform enabling c…

Advancing OpenSearch with gRPC and Protocol Buffers

OpenSearch is adopting gRPC as a high-performance alternative to its traditional REST APIs, addressing limitations with JSON's parsing overhead and payload size for data-intensive …

Evaluating agentic search in OpenSearch

This article details the evaluation of OpenSearch's agentic search capabilities, which uses LLMs to enable natural language interaction with data. Testing focused on two key areas:…

Leading vs Lagging Indicators: What’s The Difference?

This article emphasizes the importance of using leading, lagging, and coincident indicators for effective IT performance management. While lagging indicators (like uptime & MTTR) c…

Search modernization with OpenSearch: From Vector Search to Agentic AI

The article details how enterprise search is rapidly evolving beyond keyword matching to semantic search and now, crucially, to supporting agentic AI – autonomous workflows needing…

What Is Application Dependency Mapping and Why Modern IT Teams Can’t Ignore It

This article highlights the growing need for Application Dependency Mapping (ADM) in today’s complex IT environments. Traditional monitoring focuses on individual component health,…

Beyond filter rewrite: How doc value skip indexes accelerate aggregations in OpenSearch

This article details how the authors overcame limitations in previous date histogram aggregation optimizations in Elasticsearch. Previously, these optimizations (filter rewrite & m…

What Is Capacity Planning in IT Operations? A Practical Guide

IT capacity planning is a crucial, forward-looking process for ensuring IT infrastructure can meet both current and future demands without performance issues or wasteful spending. …

Server Health Monitoring Checklist for 2026

This article argues that traditional server monitoring focused solely on uptime is no longer sufficient for today’s complex, hybrid infrastructure. Modern server health requires mo…

OpenSearch Agent Health: Open-source observability and evaluation for AI agents

This article highlights the challenges of deploying and maintaining agentic AI applications in production, specifically the lack of visibility into their decision-making processes.…

Accelerating FP16 vector search performance using bulk SIMD in OpenSearch 3.5

OpenSearch has significantly improved the performance of vector search using 16-bit floating point numbers (FP16) over the last three releases. Starting with memory-optimized searc…