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This guide explains how to use Arthas for fast problem location in Java services, demonstrates watch commands, shows one‑click installation, and introduces the ArthasHotSwap plugin for hot code deployment while warning against production misuse.
By patching ART’s internal debug flags to enable JVMTI on non‑debuggable apps, the authors created TBProfiler, a lightweight Android profiling tool that uses JVMTI’s event callbacks to trace method calls, thread and exception events, lock contention, and memory allocations, producing a compact mini‑hprof for production‑grade runtime monitoring and analysis.
MemoryThrashing is a self-developed tool designed to detect and analyze memory thrashing issues in live streaming applications, addressing the challenges of OOM problems by providing efficient memory growth monitoring and analysis capabilities.