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ITPUB
ITPUB
May 1, 2026 · Databases

A DBA’s 3‑Night Deep Dive: Comprehensive Oracle I/O Performance Diagnosis and Hands‑On Tactics

The article walks through Oracle response‑time analysis, compares service and wait time, presents two real‑world cases (Statspack pre‑10g and AWR post‑10g) that show I/O waits often contribute less than 6% of total time, and then details step‑by‑step methods, parameters, and storage techniques for diagnosing and reducing I/O‑related performance problems.

ASMAWRDatabase Tuning
0 likes · 32 min read
A DBA’s 3‑Night Deep Dive: Comprehensive Oracle I/O Performance Diagnosis and Hands‑On Tactics
macrozheng
macrozheng
Mar 9, 2026 · Backend Development

Why a Single Log Line Triggered a FastJSON NullPointer – A Deep Dive into Java Serialization

The article recounts a production incident where adding a trivial log statement caused a FastJSON NullPointerException, then explains the underlying serialization mechanism, the role of ASM-generated serializers, the methods invoked during serialization, and provides best‑practice guidelines to avoid similar bugs.

ASMbackend-developmentfastjson
0 likes · 8 min read
Why a Single Log Line Triggered a FastJSON NullPointer – A Deep Dive into Java Serialization
ITPUB
ITPUB
Feb 5, 2026 · Databases

Master Oracle 19c RAC Architecture in 41 Diagrams – Quick Technical Guide

This article translates and consolidates Oracle Real Application Clusters 19c Technical Architecture, using 41 detailed diagrams to explain RAC concepts, configurations, cluster components, storage options, tools, and management commands for building and operating high‑availability Oracle databases.

ASMEnterprise ManagerGrid Infrastructure
0 likes · 52 min read
Master Oracle 19c RAC Architecture in 41 Diagrams – Quick Technical Guide
Alibaba Cloud Infrastructure
Alibaba Cloud Infrastructure
Jan 15, 2026 · Cloud Native

Deploy Alibaba Cloud Service Mesh (ASM): Gateways, Traffic Management & Zero‑Trust

This guide explains how to set up Alibaba Cloud Service Mesh (ASM) on an ACK Kubernetes cluster, covering prerequisites, two methods of cluster registration, creation of north‑south and east‑west gateways, traffic routing with HTTPRoute, security policies using PeerAuthentication and AuthorizationPolicy, and observability configuration via Telemetry.

ASMAlibaba CloudGateway API
0 likes · 9 min read
Deploy Alibaba Cloud Service Mesh (ASM): Gateways, Traffic Management & Zero‑Trust
Tech Freedom Circle
Tech Freedom Circle
Oct 11, 2025 · Fundamentals

JIT, Class Lifecycle Stages, and Bytecode Enhancement – Core Concepts for Java Interviews

This article provides a comprehensive technical guide covering Java bytecode structure, the seven-stage class lifecycle, JIT compilation, memory layout, garbage‑collection algorithms, execution engine details, and both static and dynamic bytecode enhancement techniques such as ASM, Javassist, and Java agents.

ASMGarbage CollectionInstrumentation
0 likes · 74 min read
JIT, Class Lifecycle Stages, and Bytecode Enhancement – Core Concepts for Java Interviews
Code Ape Tech Column
Code Ape Tech Column
Sep 26, 2025 · Backend Development

Why FastJSON Calls isChinaName() During Serialization and How to Fix It

An unexpected NullPointerException occurs when adding a simple log line to a Java DTO, revealing that FastJSON’s serialization process invokes methods like isChinaName(), getXxx(), and isXxx() via ASM-generated serializers, and the article explains the underlying mechanism, common pitfalls, and best‑practice annotations to avoid such bugs.

ASMannotationsfastjson
0 likes · 7 min read
Why FastJSON Calls isChinaName() During Serialization and How to Fix It
Java Backend Technology
Java Backend Technology
Mar 13, 2025 · Backend Development

Why Does FastJSON Invoke isChinaName() During Serialization? Explore the Mechanics

This article analyzes a runtime NullPointerException caused by FastJSON serialization invoking the isChinaName() method, explains the underlying ASM-generated serializer, details how JavaBeanSerializer determines which getters and is‑methods are serialized, and proposes using @JSONField(serialize = false) to control the process.

ASMJSONFieldJava serialization
0 likes · 8 min read
Why Does FastJSON Invoke isChinaName() During Serialization? Explore the Mechanics
Alibaba Cloud Infrastructure
Alibaba Cloud Infrastructure
Mar 11, 2025 · Cloud Native

Implementing Per‑User Rate Limiting with Alibaba Cloud Service Mesh (ASM) Traffic Scheduling Suite

This article explains how to use Alibaba Cloud Service Mesh (ASM) traffic‑scheduling suite to implement rich traffic‑control scenarios such as per‑user rate limiting, request queuing and priority scheduling in a Kubernetes environment, providing step‑by‑step deployment, configuration and verification instructions.

ASMKubernetesMicroservices
0 likes · 14 min read
Implementing Per‑User Rate Limiting with Alibaba Cloud Service Mesh (ASM) Traffic Scheduling Suite
Sohu Tech Products
Sohu Tech Products
Feb 19, 2025 · Information Security

Replacing Xposed with a Gradle Plugin for Automated Android Privacy Checks

This article compares the traditional Xposed‑based dynamic privacy checker with a new Gradle‑plugin instrumentation approach, explains the design and implementation of the Transform API‑driven solution, shows performance metrics, provides usage instructions, and outlines automated testing and future improvements for Android apps.

ASMAndroidDynamic analysis
0 likes · 12 min read
Replacing Xposed with a Gradle Plugin for Automated Android Privacy Checks
Alibaba Cloud Infrastructure
Alibaba Cloud Infrastructure
Jan 13, 2025 · Cloud Native

Extending Alibaba Cloud Service Mesh (ASM): EnvoyFilter, Lua, Wasm, External Processing, and Custom Authorization Services

This article explains how Alibaba Cloud Service Mesh (ASM) can be extended using EnvoyFilter, Lua scripts, WebAssembly plugins, External Processing filters, and custom authorization services, detailing their capabilities, limitations, and recommended use cases for cloud‑native microservice environments.

ASMCloud NativeEnvoy
0 likes · 11 min read
Extending Alibaba Cloud Service Mesh (ASM): EnvoyFilter, Lua, Wasm, External Processing, and Custom Authorization Services
Alibaba Cloud Infrastructure
Alibaba Cloud Infrastructure
Jan 10, 2025 · Cloud Native

Service-Level Disaster Recovery with Alibaba Cloud Service Mesh (ASM) across Multi-Cluster and Multi-Region Deployments

This guide explains how to handle service‑level failures in Kubernetes by using Alibaba Cloud Service Mesh (ASM) to automatically detect faults, shift traffic based on geographic priority, and implement various multi‑cluster, multi‑region, and multi‑cloud topologies for high availability.

ASMKubernetesTraffic Shifting
0 likes · 31 min read
Service-Level Disaster Recovery with Alibaba Cloud Service Mesh (ASM) across Multi-Cluster and Multi-Region Deployments
Alibaba Cloud Infrastructure
Alibaba Cloud Infrastructure
Jan 3, 2025 · Cloud Native

How to Enable LLM Traffic Observability with Alibaba Cloud Service Mesh (ASM)

This guide explains how to use Alibaba Cloud Service Mesh (ASM) to add infrastructure‑level observability for large language model (LLM) traffic, covering custom access‑log fields, new Prometheus metrics for token usage, and adding model dimensions to native Istio metrics, with step‑by‑step commands and configuration examples.

ASMKubernetesLLM
0 likes · 14 min read
How to Enable LLM Traffic Observability with Alibaba Cloud Service Mesh (ASM)
Alibaba Cloud Infrastructure
Alibaba Cloud Infrastructure
Dec 9, 2024 · Cloud Native

Building High‑Availability Architecture with Service Mesh (ASM) Across Availability Zones and Regions

This article explains how to design a highly available business system on Alibaba Cloud by leveraging multi‑availability‑zone deployments, ASM circuit‑breaking and rate‑limiting, and multi‑region multi‑cluster service‑mesh strategies to ensure resilience against both AZ‑level and region‑level failures.

ASMKubernetes
0 likes · 11 min read
Building High‑Availability Architecture with Service Mesh (ASM) Across Availability Zones and Regions
Alibaba Cloud Infrastructure
Alibaba Cloud Infrastructure
Dec 6, 2024 · Cloud Native

Full‑Chain Gray Release with Alibaba Service Mesh (ASM) and Kruise Rollout

This guide explains how to implement full‑link gray release using Alibaba Service Mesh (ASM) swimlane isolation together with the open‑source Kruise Rollout framework, providing step‑by‑step configurations, Kubernetes manifests, and command‑line examples for traffic routing, canary deployments, and rollback in a cloud‑native environment.

ASMIstioKruise Rollout
0 likes · 19 min read
Full‑Chain Gray Release with Alibaba Service Mesh (ASM) and Kruise Rollout
Alibaba Cloud Developer
Alibaba Cloud Developer
Nov 4, 2024 · Backend Development

Unveiling FastJSON 2.0.31: A Deep Dive into Its Serialization Mechanics

This article provides a comprehensive walkthrough of FastJSON 2.0.31's serialization and deserialization process, covering its core architecture, step‑by‑step execution flow, common pitfalls such as getter misuse and circular references, and practical guidance on annotations and SerializerFeature options.

ASMReflectionannotations
0 likes · 20 min read
Unveiling FastJSON 2.0.31: A Deep Dive into Its Serialization Mechanics
Alibaba Cloud Infrastructure
Alibaba Cloud Infrastructure
Jul 19, 2024 · Cloud Native

Integrating Dubbo Applications with Alibaba Cloud Service Mesh (ASM): Best Practices and Transition Scenarios

This guide explains how to connect Dubbo microservices to Alibaba Cloud Service Mesh (ASM) to obtain mTLS, observability, and traffic management, covering prerequisites, step‑by‑step deployment, code examples, a registry‑based transition approach, and recommended best‑practice configurations.

ASMCloud NativeDubbo
0 likes · 29 min read
Integrating Dubbo Applications with Alibaba Cloud Service Mesh (ASM): Best Practices and Transition Scenarios
Alibaba Cloud Infrastructure
Alibaba Cloud Infrastructure
Jul 12, 2024 · Cloud Native

Multi‑Cluster Deployment and Traffic‑Lane Solution with Alibaba Cloud Service Mesh ASM

This guide explains how to use Alibaba Cloud Service Mesh (ASM) to create isolated, on‑demand environments for cloud‑native microservices across multiple ACK clusters, leveraging traffic‑lane (permissive mode) and OpenTelemetry automatic instrumentation to achieve efficient development, testing, and progressive gray‑release workflows while reducing resource consumption.

ASMKubernetesOpenTelemetry
0 likes · 45 min read
Multi‑Cluster Deployment and Traffic‑Lane Solution with Alibaba Cloud Service Mesh ASM
Alibaba Cloud Infrastructure
Alibaba Cloud Infrastructure
Jun 25, 2024 · Cloud Native

Load Balancing Algorithms in Service Mesh (ASM): Advantages, Limitations, and Practical Deployment

This article explains why native Kubernetes Service load balancing is limited, introduces the richer algorithms offered by Alibaba Cloud Service Mesh (ASM) such as RANDOM, ROUND_ROBIN, LEAST_REQUEST, and PEAK_EWMA, and provides a step‑by‑step deployment and testing guide to illustrate their behavior in real scenarios.

ASMKubernetesLEAST_REQUEST
0 likes · 15 min read
Load Balancing Algorithms in Service Mesh (ASM): Advantages, Limitations, and Practical Deployment
Alibaba Cloud Infrastructure
Alibaba Cloud Infrastructure
Jun 17, 2024 · Cloud Native

Multi-Cluster Network Connectivity Practices on Alibaba Cloud: PrivateLink, CEN, and ASM East‑West Gateway

This article explains the challenges of multi‑cluster deployments and presents three Alibaba Cloud solutions—PrivateLink, Cloud Enterprise Network (CEN), and ASM East‑West Gateway—detailing their mechanisms, trade‑offs, and typical scenarios such as isolation, distributed applications, disaster recovery, and multi‑environment testing.

ASMCENNetworking
0 likes · 9 min read
Multi-Cluster Network Connectivity Practices on Alibaba Cloud: PrivateLink, CEN, and ASM East‑West Gateway
Top Architect
Top Architect
Jun 13, 2024 · Backend Development

FastJSON Serialization Mechanics: Why isChinaName() Executes and How to Control Serialized Output

This article analyzes a FastJSON serialization issue where a newly added log line triggered unexpected method calls, explains the underlying ASM‑generated serializer and JavaBeanSerializer logic, demonstrates code examples, outlines common pitfalls such as @JSONField annotations and getter patterns, and proposes best‑practice conventions for reliable backend serialization.

ASMBackendJSONField
0 likes · 9 min read
FastJSON Serialization Mechanics: Why isChinaName() Executes and How to Control Serialized Output
Alibaba Cloud Native
Alibaba Cloud Native
May 28, 2024 · Cloud Native

Zero‑Code Traffic Lane Gray Release with OpenTelemetry Baggage on Alibaba Cloud Service Mesh

This guide explains how to use OpenTelemetry's automatic instrumentation to propagate baggage headers, enabling a loose‑mode traffic‑lane (gray‑release) strategy in Alibaba Cloud Service Mesh without modifying application code, covering prerequisites, operator deployment, service setup, lane configuration, weight‑based routing, and verification steps.

ASMBaggageKubernetes
0 likes · 26 min read
Zero‑Code Traffic Lane Gray Release with OpenTelemetry Baggage on Alibaba Cloud Service Mesh
Architecture Digest
Architecture Digest
May 14, 2024 · Backend Development

FastJSON Serialization Mechanism and How to Control Method Invocation

This article analyzes a FastJSON serialization issue where a getter method is unexpectedly invoked, explains the underlying ASM-generated serializer workflow, details which methods are considered during serialization, and provides best‑practice code annotations to prevent unwanted method execution.

ASMannotationsjava
0 likes · 6 min read
FastJSON Serialization Mechanism and How to Control Method Invocation
Architecture Digest
Architecture Digest
Apr 28, 2024 · Backend Development

Understanding FastJSON Serialization: Why isChinaName() Is Invoked and How to Control Serialized Methods

This article analyzes a FastJSON serialization issue where a getter method is unexpectedly called, explains the underlying ASM‑generated serializer mechanism, details which methods FastJSON invokes during serialization, and proposes using @JSONField(serialize = false) to explicitly exclude methods from the serialization process.

ASMJSONFieldbackend-development
0 likes · 8 min read
Understanding FastJSON Serialization: Why isChinaName() Is Invoked and How to Control Serialized Methods
FunTester
FunTester
Dec 27, 2023 · Backend Development

Resolving java.lang.UnsupportedOperationException: PermittedSubclasses Requires by Updating ASM and Related Dependencies

This guide explains how to troubleshoot and fix the UnsupportedOperationException caused by missing or outdated ASM libraries when upgrading the JDK, covering removal of old Maven dependencies, adding the correct ASM version, updating Groovy and related plugins, and disabling the Log4j shutdown hook warning.

ASMJDKdependency-management
0 likes · 5 min read
Resolving java.lang.UnsupportedOperationException: PermittedSubclasses Requires by Updating ASM and Related Dependencies
政采云技术
政采云技术
Dec 26, 2023 · Backend Development

Understanding Java Bytecode and Using ASM for Bytecode Manipulation

This article explains how Java achieves "write once, run anywhere" through platform‑independent bytecode, describes the .class file structure, introduces tools for viewing bytecode, and provides detailed guidance on using the ASM library’s Core and Tree APIs for bytecode enhancement, including practical code demos and application scenarios.

ASMBytecode ManipulationInstrumentation
0 likes · 16 min read
Understanding Java Bytecode and Using ASM for Bytecode Manipulation
Top Architecture Tech Stack
Top Architecture Tech Stack
Nov 24, 2023 · Backend Development

Applying ASM Bytecode Manipulation in cglib and Fastjson

This article demonstrates how ASM is used to generate dynamic proxies with cglib and to create high‑performance JSON deserializers in Fastjson, providing code examples, explanation of the underlying bytecode generation, and practical tips for developers.

ASMDynamic Proxybytecode
0 likes · 8 min read
Applying ASM Bytecode Manipulation in cglib and Fastjson
Alibaba Cloud Native
Alibaba Cloud Native
Nov 22, 2023 · Cloud Native

Build a Sidecarless AI Application with Alibaba Cloud Service Mesh ASM – Step‑by‑Step Guide

This guide walks you through creating a sidecarless AI demo on Alibaba Cloud Service Mesh ASM, covering environment setup, multi‑model serving with KServe, PVC storage, InferenceService configuration, business service deployment, gateway and waypoint creation, traffic routing rules, and OIDC single sign‑on integration.

AIASMKServe
0 likes · 28 min read
Build a Sidecarless AI Application with Alibaba Cloud Service Mesh ASM – Step‑by‑Step Guide
JD Cloud Developers
JD Cloud Developers
Nov 22, 2023 · Backend Development

Mastering ASM: Generate, Transform, and Analyze Java Bytecode with Real Code Samples

This comprehensive guide explains what ASM is, its core and tree APIs, common use cases such as Spring AOP and JDK lambda support, and provides step‑by‑step code examples for generating interfaces and classes, modifying bytecode, adding timers, printing parameters, handling control structures, and using handy tools for inspection.

ASMBytecode ManipulationClassVisitor
0 likes · 42 min read
Mastering ASM: Generate, Transform, and Analyze Java Bytecode with Real Code Samples
Alibaba Cloud Native
Alibaba Cloud Native
Nov 6, 2023 · Cloud Native

Mastering Loose‑Mode Traffic Swimlanes in Alibaba Cloud Service Mesh (ASM)

This guide walks you through configuring Alibaba Cloud Service Mesh (ASM) in loose‑mode traffic swimlane, covering prerequisites, sample service deployment, swimlane group and lane creation, automatic generation of DestinationRule and VirtualService resources, routing rule setup, and step‑by‑step verification of full‑link gray release.

ASMKubernetesLoose Mode
0 likes · 20 min read
Mastering Loose‑Mode Traffic Swimlanes in Alibaba Cloud Service Mesh (ASM)
Huolala Tech
Huolala Tech
Sep 12, 2023 · Mobile Development

Mastering Gradle: Lifecycle, Tasks, and Plugin Development for Android

This comprehensive guide walks through Gradle fundamentals—including the initialization, configuration, and execution phases—explains task creation, ordering, and incremental builds, demonstrates custom tasks and small examples, and shows three ways to build and publish Gradle plugins with ASM bytecode instrumentation for Android projects.

ASMAndroidBuild Automation
0 likes · 16 min read
Mastering Gradle: Lifecycle, Tasks, and Plugin Development for Android
Alibaba Cloud Native
Alibaba Cloud Native
Aug 22, 2023 · Cloud Native

How Alibaba Cloud Service Mesh ASM Accelerated Cloud‑Native Transformation at Lixun Logistics

This article details how Lixun Logistics migrated from an IDC‑based architecture to a fully cloud‑native environment using Alibaba Cloud Service Mesh ASM, addressing version‑upgrade challenges, heterogeneous system governance, complex operations, and achieving 40% faster operations and a 50% reduction in implementation time.

ASMAlibaba CloudMicroservices
0 likes · 13 min read
How Alibaba Cloud Service Mesh ASM Accelerated Cloud‑Native Transformation at Lixun Logistics
Architect
Architect
Jan 30, 2023 · Backend Development

Unified Exception Monitoring and Reporting with ASM and JavaAgent

This article explains how to use Java bytecode instrumentation with ASM and a JavaAgent to automatically monitor, capture, and report exceptions across a backend system, covering exception fundamentals, best‑practice handling, and practical implementation steps.

ASMException HandlingJavaAgent
0 likes · 14 min read
Unified Exception Monitoring and Reporting with ASM and JavaAgent
Huolala Tech
Huolala Tech
Nov 30, 2022 · Mobile Development

How TheRouter Simplifies Android Modular Routing with APT and ASM

This article explains why a routing framework is essential for Android apps, analyzes TheRouter's source code, and shows how it uses annotation processing and ASM bytecode injection to handle page navigation, parameter injection, and cross‑module method calls in a modular architecture.

APTASMAndroid
0 likes · 27 min read
How TheRouter Simplifies Android Modular Routing with APT and ASM
Programmer DD
Programmer DD
Nov 10, 2022 · Backend Development

Why Does FastJSON Invoke isChinaName() During Serialization? A Deep Dive

The article recounts a production incident caused by a simple log addition, then analyzes FastJSON’s serialization process, explaining why methods like isChinaName() are invoked, how ASM-generated serializers work, and offers best‑practice guidelines using @JSONField(serialize = false) to control serialization.

ASMJSONFieldbackend-development
0 likes · 9 min read
Why Does FastJSON Invoke isChinaName() During Serialization? A Deep Dive
HomeTech
HomeTech
Sep 26, 2022 · Mobile Development

Implementing Full Data Collection on Android Using Gradle Plugin, Transform API, and ASM

This article explains how to build a full‑tracking solution for Android by creating a Gradle plugin that registers a Transform, leveraging the Transform API and ASM bytecode instrumentation to automatically inject analytics code into click events and lifecycle callbacks, while covering the underlying concepts, implementation steps, and deployment process.

ASMAndroidGradle Plugin
0 likes · 35 min read
Implementing Full Data Collection on Android Using Gradle Plugin, Transform API, and ASM
Programmer DD
Programmer DD
Jun 28, 2022 · Backend Development

Why Java Is Introducing a New Classfile API to Replace ASM

The Java community proposes a new Classfile API to parse, generate, and transform class files, aiming to replace ASM within the JDK and eventually become a public, high‑performance, immutable‑object‑based solution that keeps pace with rapid JVM and language evolution.

ASMClassfile APIJDK
0 likes · 5 min read
Why Java Is Introducing a New Classfile API to Replace ASM
Alibaba Cloud Native
Alibaba Cloud Native
Jun 24, 2022 · Cloud Native

How Service Mesh Discovers Services: ASM Config Push & Selective Discovery

This article explains the service discovery and configuration push mechanisms of Alibaba Cloud's managed Istio‑compatible service mesh ASM, demonstrates practical experiments with Sidecar clusters, shows how VirtualService rewrites work across mesh‑in and mesh‑out services, and provides step‑by‑step guidance to enable selective service discovery for performance optimization.

ASMIstioKubernetes
0 likes · 16 min read
How Service Mesh Discovers Services: ASM Config Push & Selective Discovery
Youzan Coder
Youzan Coder
Mar 14, 2022 · Information Security

Android Privacy Protection: Privacy API and Permission HOOK Implementation Practice

To meet new Chinese privacy regulations, the article presents an mPaaS‑based solution that uses compile‑time Java HOOKs to replace privacy‑sensitive API calls and dangerous permission requests, automatically detecting and logging violations during build and runtime, and providing backend alerts and management tools for compliance.

ASMAndroidBytecode Manipulation
0 likes · 14 min read
Android Privacy Protection: Privacy API and Permission HOOK Implementation Practice
JD Retail Technology
JD Retail Technology
Jul 28, 2021 · Mobile Development

Applying Aspect‑Oriented Programming (AOP) for Privacy Compliance and Thread Optimization in Android Apps

This article explains how Aspect‑Oriented Programming is applied in Android development to achieve non‑intrusive privacy compliance checks and thread‑usage optimization, detailing the use of compile‑time ASM bytecode instrumentation and runtime Xposed/epic hooks, along with code examples and measured performance gains.

ASMAndroidMobile Development
0 likes · 14 min read
Applying Aspect‑Oriented Programming (AOP) for Privacy Compliance and Thread Optimization in Android Apps
Full-Stack Internet Architecture
Full-Stack Internet Architecture
May 11, 2021 · Backend Development

Understanding Java Dynamic Proxy: Static vs Dynamic Proxy and Implementations with JDK, CGLIB, Javassist, and ASM

This article explains Java's proxy pattern, compares static and dynamic proxies, and provides detailed examples of JDK dynamic proxy, CGLIB, Javassist, and ASM implementations, highlighting their mechanisms, code samples, and practical considerations for backend development.

ASMBackendDesign Patterns
0 likes · 21 min read
Understanding Java Dynamic Proxy: Static vs Dynamic Proxy and Implementations with JDK, CGLIB, Javassist, and ASM
Qunar Tech Salon
Qunar Tech Salon
Jan 27, 2021 · Mobile Development

Implementing Global SDK Privacy Monitoring and Hooking in Android via ASM Transform and Custom Annotations

This article explains how QuNar’s front‑end team built a comprehensive Android SDK privacy monitoring system using a custom Transform, ASM bytecode manipulation, and annotation‑driven hook configurations, detailing both basic and advanced solutions for globally intercepting sensitive API calls and ensuring extensible, version‑independent protection.

ASMAndroidHook
0 likes · 20 min read
Implementing Global SDK Privacy Monitoring and Hooking in Android via ASM Transform and Custom Annotations
58 Tech
58 Tech
Jan 6, 2021 · Mobile Development

Non‑intrusive Migration of Business Libraries to Android Dynamic Feature Modules

This article explores the motivations, methodology, and practical implementation of converting existing Android business libraries into Dynamic Feature modules with minimal intrusion, covering Android App Bundle basics, build tools, dependency handling, resource merging, Arouter integration, and performance gains achieved through parallel and incremental builds.

ASMAndroidApp Bundle
0 likes · 15 min read
Non‑intrusive Migration of Business Libraries to Android Dynamic Feature Modules
Beike Product & Technology
Beike Product & Technology
Nov 27, 2020 · Mobile Development

Beike Cold Start Optimization

This article details the optimization of cold startup times in Android applications using ASM and method tracing techniques to improve performance and user experience.

ASMMethod TracingThread analysis
0 likes · 17 min read
Beike Cold Start Optimization
vivo Internet Technology
vivo Internet Technology
Sep 23, 2020 · Backend Development

Bytecode Enhancement with JavaAgent: Principles, Tools, and Implementation

The article explains how to enhance Java bytecode using a javaagent, covering bytecode fundamentals, agent loading during JVM startup, implementation steps, transformation via ClassFileTransformer, and popular tools such as ASM, Javassist, and ByteBuddy for non‑intrusive runtime instrumentation and monitoring.

ASMByteBuddyInstrumentation
0 likes · 13 min read
Bytecode Enhancement with JavaAgent: Principles, Tools, and Implementation
Amap Tech
Amap Tech
Sep 14, 2020 · Operations

JaCoCo Code Coverage Instrumentation Principles and Practices for Android SDK

The article explains how to use JaCoCo to instrument Android SDK classes—detailing probe insertion strategies for methods, branches, and code blocks, offline and Ant/Gradle integration, building instrumented packages, collecting execution data, and generating HTML coverage reports without modifying source code.

ASMAndroidInstrumentation
0 likes · 17 min read
JaCoCo Code Coverage Instrumentation Principles and Practices for Android SDK
Programmer DD
Programmer DD
May 27, 2020 · Fundamentals

How to Use Java Agents for Runtime Bytecode Manipulation with ASM

This article explains the basics of Java agents, demonstrates how to use premain and agentmain to modify bytecode at load time or during execution, and provides practical examples with ASM to monitor method execution time and capture method parameters and return values in running Java processes.

ASMAgentInstrumentation
0 likes · 18 min read
How to Use Java Agents for Runtime Bytecode Manipulation with ASM
Meituan Technology Team
Meituan Technology Team
Sep 5, 2019 · Backend Development

Unlocking Java Bytecode: From Structure to Runtime Enhancement

This article explains Java bytecode fundamentals, its class‑file layout, constant‑pool details, and then walks through practical bytecode‑enhancement techniques using ASM, Javassist, and the Instrument API to modify and reload classes at runtime for AOP, hot‑deployment and monitoring purposes.

ASMAgentInstrumentation
0 likes · 28 min read
Unlocking Java Bytecode: From Structure to Runtime Enhancement
Architects' Tech Alliance
Architects' Tech Alliance
Aug 18, 2019 · Big Data

Oracle Architecture and ASM Storage Configuration Overview

This article provides a comprehensive overview of Oracle database architecture, detailing memory, physical and logical structures, I/O characteristics of various files, differences between OLTP and OLAP workloads, and practical ASM configuration and storage optimization recommendations for high‑performance environments.

ASMBig DataDatabase Storage
0 likes · 12 min read
Oracle Architecture and ASM Storage Configuration Overview
Programmer DD
Programmer DD
Jun 20, 2019 · Backend Development

Why Spring Fails to Load Encrypted @Component Classes and How It Scans Bytecode

An encrypted Spring @Component class causes a startup failure because Spring reads class files as raw byte arrays using ASM before loading them, and the encrypted bytecode violates JVM specifications, leading to an ArrayIndexOutOfBoundsException; the article explains this scanning mechanism and the hidden cause.

ASMJVMTISpring Boot
0 likes · 10 min read
Why Spring Fails to Load Encrypted @Component Classes and How It Scans Bytecode
Qunar Tech Salon
Qunar Tech Salon
May 9, 2019 · Mobile Development

Deep Dive into ASM for Android Bytecode Instrumentation and OkHttp Monitoring

This article explains how to use ASM to instrument Android bytecode for automatic click event tracking and OkHttp network request monitoring, detailing the Transform API, AOP/ASM techniques, custom ClassVisitor and MethodVisitor implementations, code injection strategies, and provides a complete open‑source example on GitHub.

ASMAndroidOkHttp
0 likes · 13 min read
Deep Dive into ASM for Android Bytecode Instrumentation and OkHttp Monitoring
转转QA
转转QA
Apr 18, 2019 · Backend Development

Java Instrumentation and ASM: Bytecode Enhancement Techniques and Jacoco Coverage

This article introduces Java instrumentation and the ASM bytecode manipulation library, explains how tools like Jacoco insert probe code on the fly, describes the structure of Java agents, and demonstrates practical bytecode editing methods and use‑cases such as monitoring, hot‑fixing, and mocking.

ASMAgentbytecode
0 likes · 5 min read
Java Instrumentation and ASM: Bytecode Enhancement Techniques and Jacoco Coverage
58 Tech
58 Tech
Jan 23, 2019 · Mobile Development

Implementing AOP‑Based Unified Processing in Android via Gradle Transform Plugins

This article explains how to replace invasive, manually‑invoked SDKs in Android with a unified, non‑intrusive solution using Aspect‑Oriented Programming, Gradle Transform plugins, and ASM bytecode manipulation, improving control, readability, and performance for large‑scale mobile platforms.

ASMAndroidGradle
0 likes · 8 min read
Implementing AOP‑Based Unified Processing in Android via Gradle Transform Plugins
Qunar Tech Salon
Qunar Tech Salon
Nov 27, 2018 · Backend Development

Implementing AOP Method Timing with Java Instrumentation and ASM

This article explains how to use Java Instrumentation, the Attach API, JVMTI, and the ASM bytecode manipulation framework to inject AOP logic that measures and logs method execution time, providing a step‑by‑step guide with code examples and a discussion of practical considerations.

ASMJVMTIaop
0 likes · 16 min read
Implementing AOP Method Timing with Java Instrumentation and ASM
ITPUB
ITPUB
Jul 12, 2017 · Databases

Mastering Oracle RAC: Check Status, Configure, and Manage Instances with SRVCTL

This guide explains how to use SRVCTL to view the status of Oracle RAC databases, instances, services, node applications, and ASM instances, retrieve configuration details, start and stop the cluster, and perform backup and restore operations with concrete command examples.

ASMBackupDatabase Management
0 likes · 10 min read
Mastering Oracle RAC: Check Status, Configure, and Manage Instances with SRVCTL
ITPUB
ITPUB
Sep 26, 2016 · Databases

How to Manually Delete an Oracle Database and Clean Up ASM Files

This guide provides step‑by‑step commands for safely stopping listeners, locating data, log and control files, dropping the database, and removing residual files both for file‑system and ASM Oracle databases.

ASMOracleSQL*Plus
0 likes · 6 min read
How to Manually Delete an Oracle Database and Clean Up ASM Files
21CTO
21CTO
Feb 21, 2016 · Mobile Development

How Facebook Automates Android Performance Tracing with Bytecode Rewriting

Facebook tackled Android performance monitoring by replacing manual instrumentation with a rule‑based bytecode rewriter that automatically injects tracing markers, minimizes overhead, and captures cross‑thread activity, offering a scalable solution for real‑world telemetry collection.

ASMAndroidFacebook
0 likes · 8 min read
How Facebook Automates Android Performance Tracing with Bytecode Rewriting
dbaplus Community
dbaplus Community
Dec 16, 2015 · Databases

Understanding Oracle ASM Metadata: Files, AU, Disk Headers, and Recovery

This article explains Oracle ASM metadata concepts, including ASM file types, allocation units, physical and virtual metadata structures, disk header composition, and practical methods for querying, validating, backing up, and restoring ASM metadata using tools like KFOD, KFED, and X$KFFXP.

ASMAllocation UnitBackup
0 likes · 14 min read
Understanding Oracle ASM Metadata: Files, AU, Disk Headers, and Recovery