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ByteDance Terminal Technology
ByteDance Terminal Technology
Jan 11, 2022 · Fundamentals

Online Java OOM Attribution Solution Based on Hprof Memory Snapshots

This article introduces a comprehensive solution for diagnosing and attributing Java Out‑Of‑Memory (OOM) issues in Android apps by capturing Hprof memory snapshots, automatically analyzing heap data, identifying leaks, large objects, and class‑wide memory consumption, and providing privacy‑preserving, automated reporting and remediation workflows.

AndroidHprofJava
0 likes · 24 min read
Online Java OOM Attribution Solution Based on Hprof Memory Snapshots
Programmer DD
Programmer DD
Nov 12, 2018 · Backend Development

Why Did My Java ThreadPool Hang? Uncovering a Hidden HashSet Loop in JDK 1.7

A production Java service suffered a thread‑pool alarm due to an unbounded LinkedBlockingQueue and a non‑thread‑safe HashSet, leading to massive memory usage, a circular linked‑list loop in HashMap, and severe CPU load, which was resolved by switching to ConcurrentHashMap and tuning the pool.

JavaMemoryAnalysisThreadPool
0 likes · 8 min read
Why Did My Java ThreadPool Hang? Uncovering a Hidden HashSet Loop in JDK 1.7