---
title: "Discussion on \"Our Spring Boot API Froze Under Load — Here's Exactly How We Diagnosed And Fixed It\" | Hashnode"
description: "Discussion on \"Our Spring Boot API Froze Under Load — Here's Exactly How We Diagnosed And Fixed It\". The API didn't throw an error. It just... stopped responding or frozen.\nNo exceptions in the logs. No 500 errors. No obvious reason. Just requests piling up, response times climbing from milliseconds"
url: "https://hashnode.com/posts/our-spring-boot-api-froze-under-load-here-s-exactly-how-we-diagnosed-and-fixed-it/69ddbc9b217f5dfcbd884fe7"
---

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# [Our Spring Boot API Froze Under Load — Here's Exactly How We Diagnosed And Fixed It](https://gaurikatara.hashnode.dev/our-spring-boot-api-froze-under-load-here-s-exactly-how-we-diagnosed-and-fixed-it?utm_source=hashnode&utm_medium=feed)

The API didn't throw an error. It just... stopped responding or frozen. No exceptions in the logs. No 500 errors. No obvious reason. Just requests piling up, response times climbing from milliseconds

Apr 14 · 7 min read · gaurikatara.hashnode.dev  
Updated Apr 17  
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## Written by

[Gauri Katara](https://hashnode.com/@gaurikatara)

@gaurikatara · Delhi, India

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

Senior Java Backend Engineer · Spring Boot · Kafka · AWS · Microservices

7+ years building production backend systems with Java, Spring Boot, and microservices. I write about distributed systems, Kafka, Kubernetes, AWS, and real-world backend engineering — the stuff that actually matters beyond the tutorials.

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