Rajesh Kumar

I’ll give you: 1️⃣ Create the demo app Now replace the entire Program.cs with this: This is self-sufficient: one file, no extra classes, no extra projects. 2️⃣…

This will be a fun little lab. Let’s make one self-contained Program.cs you can run from command line and flip between TLS 1.2 and TLS 1.3 without…

PerfView is basically the Swiss-army knife for .NET performance—CPU, GC, memory, thread time, and arbitrary ETW events—all in one (slightly ugly but insanely powerful) tool. Let’s turn…

1. What is dotTrace? Definition What it actually does Profiling modes (high level) 2. Why and When to Use dotTrace Why use dotTrace? Use dotTrace when you…

1. What is dotnet-gcdump? dotnet-gcdump is a lightweight .NET memory profiling tool that collects GC (Garbage Collector) heap dumps with minimal performance overhead. It gives you: It…

1. What is dotnet-trace? dotnet-trace is a .NET Core/ .NET CLI diagnostic tool that collects runtime traces from your app using EventPipe. Think of it as: It…

A Complete Practical Guide for Memory Profiling Using Command Line 1. 🔍 What is dotMemory Console? dotMemory Console (also called dotMemory Command-Line Profiler) is the free, headless…

This is a high-quality, long-form document that covers: ✔ What✔ Why✔ When✔ Key Terminology✔ How it works internally✔ How to use it (step-by-step)✔ .NET–specific examples✔ Real-world use…

🎯 Lab Objective By the end of this lab, you will be able to: ✔ Launch and use Resource Monitor✔ Analyze CPU, Memory, Disk, and Network usage…

Windows provides two extremely powerful built-in tools for performance diagnosis: Both are essential for SRE, DevOps, Performance Engineering, .NET Developers, Windows Admins, and Troubleshooting Teams. Even though…

This is the official-level guide that includes:✔ What✔ Why✔ When✔ Architecture✔ Key Terminology✔ How to Use (Step-by-Step)✔ CPU / Disk / Network / Memory deep explanation✔ Use…

Below is the definitive, step-by-step list of PerfMon counters you must add for .NET / ASP.NET Core / API / Microservices performance optimization. This is the same…

It covers EVERYTHING you need: ✔ What PerfMon is✔ Why PerfMon is used✔ When to use PerfMon✔ PerfMon Architecture✔ Key Terminologies✔ How PerfMon works✔ How to use…

✅ dotnet-counters – Command Reference (Explained Simply) When you run: You see 4 main commands: Below is a simple explanation for each. 🟦 1. dotnet-counters monitor Real-time…

1. What this screen is showing How to install? $ dotnet tool install –global dotnet-counters Your command: $ dotnet-counters ps And the section you pasted is only…

Real-Time Diagnostics for .NET Runtime, ASP.NET Core, EF Core, Networking & More 1. Introduction to dotnet-counters dotnet-counters is a cross-platform performance monitoring tool for .NET applications. It…

✅ 1. Install Docker (if not installed) ✅ 2. Start Wetty using Docker (recommended + stable) This avoids all Node/gc-stats errors you faced earlier. Run Wetty in…

Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…

It is constructed specifically to demonstrate real-world performance engineering concepts in .NET, using a scenario every enterprise system deals with: bulk inserts, EF Core behavior, SQL bottlenecks,…

.NET 10.0 SDK (v10.0.100) – https://dotnet.microsoft.com/en-us/download/dotnet/thank-you/sdk-10.0.100-windows-x64-installer Visual Studio – https://visualstudio.microsoft.com/thank-you-downloading-visual-studio/?sku=Community&channel=Stable&version=VS18&source=VSLandingPage&cid=2500&passive=false Microsoft SQL Server – https://www.microsoft.com/en-in/sql-server/sql-server-downloads Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering…

Below is everything shown in your Visual Studio Installer – Individual components screenshots, converted into plain text. .NET AI Assistance Cloud, database, and server Code tools Compilers,…

✅ 1. .NET (formerly .NET Framework / now .NET 5+) .NET is the overall software development platform from Microsoft.It provides: Key note: Originally there was .NET Framework…

Why Your Business Needs a Microsoft Dynamics CRM Consultant Choosing the right software development partner is one of the most important decisions for any business aiming to…

In today’s fast-moving tech environment, integrating AI into your software delivery process isn’t optional – it’s essential. This article explores how to train your DevOps team to…

Hardware projects move smoothly when everyone starts on the same page. Instead of teams working in separate bubbles, you get designers, firmware folks, QA, and manufacturing talking…

Introduction Docker uses cgroups (control groups) to manage resource constraints like CPU, memory, and I/O for containers. These cgroups are orchestrated through cgroup drivers that act as…

🐳 Introduction Docker uses storage drivers to manage the image layers and the container writable layer, which together form the root filesystem of a container. Each storage…

📌 Introduction Docker remains the most popular container runtime for developers and sysadmins, but starting from Docker Engine v29.x, significant internal architecture changes have emerged. These changes…

Comparing KEDA, HPA, VPA & Custom Adapters for Real-World Scaling with Cost, Complexity & Best Practices Category KEDA (Event-driven) Prometheus-based (Adapter/HPA) Datadog-based (Cluster Agent) CloudWatch-based (Adapter/HPA) Primary…

What is an IngressGroup (and why it matters) IngressGroup lets you share a single ALB across multiple Ingress objects (even across different namespaces). The controller merges all…