This article explains how Baidu Cloud’s Btune performance‑diagnostic tool helps identify CPU, memory and NUMA bottlenecks, provides automatic optimization suggestions, and demonstrates a real‑world test that improves a memory‑intensive program’s runtime by up to 36.8% after applying the recommended changes.
This article introduces Arthas, Alibaba's open‑source Java diagnostic tool, explains its installation, showcases common commands such as stack, jad, sc, watch, trace, jobs, logger, dashboard, and redefine, and demonstrates how to use them to monitor JVM status, trace method calls, inspect classes, and perform hot‑updates without restarting the application.
This guide introduces Alibaba's open‑source Arthas tool for Java, explains when to use it, shows how to install it, and provides detailed examples of its most useful commands such as stack, jad, sc, watch, trace, jobs, logger, dashboard, and redefine for live JVM debugging and performance analysis.
This article presents a case study of an overseas user experiencing video upload failures due to international roaming, explains how Qunar's network detection tool (QunarNDT) was used to diagnose the issue, outlines the findings about domestic routing and timeout, and offers recommendations for improving user experience.
