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360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
Mar 20, 2025 · Operations

Unlocking Application Reliability: Core APM Modules and Yunzhou’s OpenTelemetry Design

This article explains Application Performance Monitoring (APM), its key benefits such as business continuity, performance optimization, and cost reduction, outlines essential APM modules, and details Yunzhou Observation’s OpenTelemetry‑based design, data ingestion, processing, visualization, and future roadmap for observability.

APMCloud NativeOpenTelemetry
0 likes · 10 min read
Unlocking Application Reliability: Core APM Modules and Yunzhou’s OpenTelemetry Design
Xiaohongshu Tech REDtech
Xiaohongshu Tech REDtech
Oct 9, 2024 · Operations

AIOps Implementation at Xiaohongshu: Fault Localization and Intelligent Operations

Xiaohongshu’s AIOps initiative builds a four‑layer framework that leverages machine‑learning‑driven anomaly detection, causal analysis, and trace‑based fault localization to automatically identify root‑cause services in micro‑service environments, achieving over 80 % accuracy across 1000 daily diagnoses while guiding future enhancements in change correlation and automated remediation.

AIOpsAnomaly DetectionDevOps
0 likes · 28 min read
AIOps Implementation at Xiaohongshu: Fault Localization and Intelligent Operations
Sohu Tech Products
Sohu Tech Products
Aug 21, 2024 · Mobile Development

Analyzing and Optimizing Device Overheating Issues Using Trace Data

This article explains how to evaluate device overheating using metrics such as CPU/GPU usage and temperature, collect and visualize Trace data with SmartPerf or DevEco Studio, analyze high‑load threads and frequency scaling, and apply targeted code changes—disabling sensors, releasing Lottie resources, and simplifying components—to reduce heat and restore frame‑rate stability.

CPU optimizationDevEco StudioHarmonyOS
0 likes · 14 min read
Analyzing and Optimizing Device Overheating Issues Using Trace Data
ByteDance Terminal Technology
ByteDance Terminal Technology
Nov 18, 2022 · Big Data

Practices and Techniques for Large‑Scale Distributed Trace Data Analysis at ByteDance

This article presents ByteDance’s experience building a massive trace‑data analysis platform, covering observability fundamentals, the evolution of its distributed tracing system, various aggregation computation models, technical architecture choices, and concrete use‑cases such as precise topology, traffic estimation, dependency analysis, performance anti‑patterns, bottleneck detection, and error propagation.

Big DataDistributed Tracinggraph database
0 likes · 21 min read
Practices and Techniques for Large‑Scale Distributed Trace Data Analysis at ByteDance
OPPO Kernel Craftsman
OPPO Kernel Craftsman
Sep 2, 2022 · Mobile Development

Perfetto Trace Analysis Guide: Android Performance Profiling Tool

This guide explains how to install and use Perfetto, Android’s next‑generation tracing tool, covering trace capture via command line or Traceur, UI navigation, key trace elements, and practical SQL queries for analyzing slices, counters, scheduling, thread states, and lock contention to optimize performance.

Android TracingPerformance ProfilingSQL Queries
0 likes · 9 min read
Perfetto Trace Analysis Guide: Android Performance Profiling Tool
Qunar Tech Salon
Qunar Tech Salon
Aug 14, 2017 · Backend Development

Introduction to QTracer: An Internal Distributed Tracing System at Qunar

QTracer is Qunar’s internal distributed tracing system that generates a global TraceID for each request, records operations across services, and provides features such as execution chain visualization, log correlation, conditional search, service dependency analysis, database statistics, transparent data propagation, and low‑overhead instrumentation for debugging and performance monitoring.

Distributed TracingQTracerbackend
0 likes · 20 min read
Introduction to QTracer: An Internal Distributed Tracing System at Qunar
Ctrip Technology
Ctrip Technology
Aug 10, 2017 · Operations

QTracer: An In‑Depth Overview of Qunar’s Distributed Tracing System

This article provides a comprehensive technical overview of QTracer, Qunar’s internal distributed tracing platform, covering its architecture, core concepts, key features such as execution‑chain queries, log association, conditional searches, data storage, non‑intrusive instrumentation, bytecode injection, and the QTracer Debug tool for online breakpoint debugging.

Distributed TracingJavaQTracer
0 likes · 19 min read
QTracer: An In‑Depth Overview of Qunar’s Distributed Tracing System