Find Java memory leaks with Heap Dumps (JDK 25)
summary
Shows how to detect Java memory leaks using heap dumps with JDK 25 tools, describing which diagnostics to collect and how to analyze retained object graphs. Covers practical techniques and tooling (heap dump generation and analysis) to find the root causes of leaks in Java applications.
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chapters (13)
- 0:00Introduction
- 1:06What is a memory leak
- 2:29Java memory architecture
- 8:36Where leaks occur
- 9:40Garbage collector basics
- 12:56Bad caching example
- 15:07Demo setup
- 16:38Analyzing heap dump
- 19:54Multiple leaks detection
- 20:59JFR vs heap dump
- 21:43Tool comparison
- 22:47Leak patterns and fixes
- 24:18Q&A
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