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Showing posts with the label spring boot performance

Java Production Issue Troubleshooting Guide (Memory Leak, CPU Spikes & Thread Dumps)

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 Production issues in Java applications can silently impact business operations before users even report them. This guide covers real-world Java production troubleshooting techniques for diagnosing: Java memory leaks High CPU usage Thread contention Deadlocks Application hangs JVM performance bottlenecks Whether you're working on Spring Boot microservices, enterprise applications, or cloud-native Java systems, this troubleshooting guide will help you debug production incidents efficiently. 🚨 Common Java Production Issues Issue Symptoms Memory Leak Increasing heap usage, frequent GC, OutOfMemoryError CPU Spike 100% CPU usage, slow APIs Thread Deadlock Application freeze/hang GC Thrashing High Full GC frequency DB Connection Leak Request timeout Blocking Threads APIs become unresponsive Metaspace Overflow ClassLoader memory issue đź–Ľ️ Recommended Feature Image (JPG) Image Placement: Top Banner đź§  Understanding JVM Memory Areas Before debugging production issues, understand JVM memor...

Guide de Dépannage des Problèmes Java en Production (Fuite Mémoire, Pics CPU & Thread Dumps)

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  Les problèmes Java en production peuvent impacter les applications d’entreprise avant mĂŞme que les utilisateurs ne signalent une panne. Ce guide explique comment diagnostiquer efficacement : les fuites mĂ©moire Java les pics d’utilisation CPU les blocages de threads les deadlocks les problèmes de Garbage Collection les lenteurs JVM Que vous utilisiez Spring Boot, des microservices Java ou des plateformes d’entreprise, ce guide vous aidera Ă  rĂ©soudre rapidement les incidents de production. 🚨 Problèmes Java les Plus FrĂ©quents en Production Problème SymptĂ´mes Fuite MĂ©moire Heap qui augmente continuellement Pic CPU CPU Ă  100%, APIs lentes Deadlock Application bloquĂ©e GC Excessif Full GC frĂ©quents Fuite de Connexions DB Timeout des requĂŞtes Threads BloquĂ©s APIs non rĂ©actives Erreur Metaspace Problème de ClassLoader đź–Ľ️ Image Principale RecommandĂ©e (JPG) đź§  Comprendre les Zones MĂ©moire JVM Avant le dĂ©pannage, il est important de connaĂ®tre : Heap Memory Stack Memory Metaspace Direct Mem...