BestHub
Sign in
Tagged articles

mat

7 articles · Page 1 of 1
Coder Trainee
Coder Trainee
Jun 26, 2026 · Backend Development

Java Performance Tuning: Practical Guide to Detecting and Fixing Memory Leaks

This article explains how to differentiate memory leaks from out‑of‑memory errors, identifies classic GC‑based leak signals, introduces a toolchain (jstat, jmap, MAT, Arthas, JProfiler), walks through a step‑by‑step investigation workflow, lists common leak patterns, presents a real‑world ThreadLocal leak case, and offers preventive measures such as monitoring, regular heap dumps, code review, and stress testing.

GCJavaPerformance Tuning
0 likes · 9 min read
Java Performance Tuning: Practical Guide to Detecting and Fixing Memory Leaks
Java Web Project
Java Web Project
Apr 16, 2026 · Backend Development

How I Resolved a 13‑Hour OOM Nightmare in a Spring Boot Service

The article walks through a 13‑hour out‑of‑memory incident on a Spring Boot 2.7 service running in Kubernetes, detailing how to preserve the crash dump, interpret GC logs, use MAT and Arthas to pinpoint a static HashMap leak, and apply both temporary and permanent fixes while hardening the system for future safety.

JVMJavaKubernetes
0 likes · 18 min read
How I Resolved a 13‑Hour OOM Nightmare in a Spring Boot Service
vivo Internet Technology
vivo Internet Technology
Apr 23, 2025 · Backend Development

Optimizing Full GC Frequency in a Java Game Service Using MAT and GC Logs

By analyzing heap dumps with MAT and scrutinizing GC logs, the Vivo Internet Server Team identified thread‑local FutureAdapter and Jackson BufferRecycler objects and tuned promotion thresholds, cutting the Java game service’s Full GC occurrences from roughly 120 per day to about 30 and dramatically shortening pause times.

GC optimizationJVM TuningJava
0 likes · 17 min read
Optimizing Full GC Frequency in a Java Game Service Using MAT and GC Logs