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async-profiler

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JD Retail Technology

Mar 18, 2024 · Operations

Diagnosing Full GC and High CPU Issues in Java Services with Arthas, async‑profiler, VisualVM and GCEasy

This article demonstrates how to quickly locate and resolve frequent full GC and CPU spikes in Java backend services by combining Arthas‑integrated async‑profiler flame graphs with VisualVM, GCEasy analysis, and practical step‑by‑step deployment procedures.

ArthasCPU ProfilingGC

0 likes · 7 min read

Diagnosing Full GC and High CPU Issues in Java Services with Arthas, async‑profiler, VisualVM and GCEasy

FunTester

Dec 14, 2022 · Backend Development

Using async-profiler to Optimize CPU Usage in a Dynamic QPS Test Case

The article details how the author used async-profiler to analyze a Java dynamic QPS test case, identified a CPU hotspot in a time‑checking method, replaced it with a timestamp check, and achieved a modest 0.1% reduction in overall CPU usage, illustrated with flame‑graph images and code snippets.

CPU ProfilingFlame GraphJava performance

0 likes · 12 min read

Using async-profiler to Optimize CPU Usage in a Dynamic QPS Test Case