---
title: "Discussion on \"I Made Our Attendance API 75% Faster By Fixing One Stupid Mistake\" | Hashnode"
description: "Discussion on \"I Made Our Attendance API 75% Faster By Fixing One Stupid Mistake\". I fixed a hidden EF Core N+1 problem that made our attendance API take 1 minute for 6500 employees. \nHere's exactly how."
url: "https://hashnode.com/posts/i-made-our-attendance-api-75-faster-by-fixing-one-stupid-mistake/6a3a0839aa40e6dcefdc8bad"
---

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# [I Made Our Attendance API 75% Faster By Fixing One Stupid Mistake](https://imrantech.hashnode.dev/i-made-our-attendance-api-75-faster-by-fixing-one-stupid-mistake?utm_source=hashnode&utm_medium=feed)

I fixed a hidden EF Core N+1 problem that made our attendance API take 1 minute for 6500 employees. Here's exactly how.

Jun 23 · 6 min read · imrantech.hashnode.dev  
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-   [#dotnet](https://hashnode.com/tag/dotnet)
-   [#efcore](https://hashnode.com/tag/efcore)
-   [#aspnet-core](https://hashnode.com/tag/aspnet-core)
-   [#performance](https://hashnode.com/tag/performance)
-   [#csharp](https://hashnode.com/tag/csharp)

## Written by

[Imran Tech](https://hashnode.com/@imrantech)

@imrantech · Chennai, India

  
[View profile](https://hashnode.com/@imrantech)

Full Stack .NET Developer | ASP.NET Core · Angular · SQL Server | Writing weekly tips from production experience 🚀

Full Stack .NET Developer with 2+ years of production experience. I build HRMS, ERP, and Inventory systems using ASP.NET Core, Angular, Entity Framework Core & SQL Server. Writing 3 practical articles every week — real problems, real code, real solutions. 🚀

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