🔏
Tech
  • 🟢App aspects
    • Software architecture
      • Caching
      • Anti-patterns
      • System X-ability
      • Coupling
      • Event driven architecture
        • Command Query Responsibility Segregation (CQRS)
        • Change Data Capture (CDC)
      • Distributed transactions
      • App dev notes
      • TEMP. Check list
      • Hexagonal arch
      • Communication
        • REST vs messaging
        • gRPC
        • WebSocket
      • Load balancers
      • Storage limits
      • Event storming
    • Authentication
    • Deployment strategy
  • Databases
    • Classification
    • DB migration tools
    • PostreSQL
    • Decision guidance
    • Index
      • Hash indexes
      • SSTable, LSM-Trees
      • B-Tree
      • Engines, internals
    • Performance
  • System design
    • Interview preparation
      • Plan
        • Instagram
        • Tinder
        • Digital wallet
        • Dropbox
        • Live video streaming
        • Uber
        • Whatsup
        • Tiktok
        • Twitter
        • Proximity service
    • Algorithms
    • Acronyms
  • 🟢Programming languages
    • Java
      • Features
        • Field hiding
        • HashCode() and Equals()
        • Reference types
        • Pass by value
        • Atomic variables
      • Types
      • IO / NIO
        • Java NIO
          • Buffer
          • Channel
        • Java IO: Streams
          • Input streams
            • BufferedInputStream
            • DataInputStream
            • ObjectInputStream
            • FilterInputStream
            • ByteArrayInputStream
        • Java IO: Pipes
        • Java IO: Byte & Char Arrays
        • Java IO: Input Parsing
          • PushbackReader
          • StreamTokenizer
          • LineNumberReader
          • PushbackInputStream
        • System.in, System.out, System.error
        • Java IO: Files
          • FileReader
          • FileWriter
          • FileOutputStream
          • FileInputStream
      • Multithreading
        • Thread liveness
        • False sharing
        • Actor model
        • Singleton
        • Future, CompletableFuture
        • Semaphore
      • Coursera: parallel programming
      • Coursera: concurrent programming
      • Serialization
      • JVM internals
      • Features track
        • Java 8
      • Distributed programming
      • Network
      • Patterns
        • Command
      • Garbage Collectors
        • GC Types
        • How GC works
        • Tools for GC
    • Kotlin
      • Scope functions
      • Inline value classes
      • Coroutines
    • Javascript
      • Javascript vs Java
      • TypeScript
    • SQL
      • select for update
  • OS components
    • Network
      • TCP/IP model
        • IP address in action
      • OSI model
  • 🟢Specifications
    • JAX-RS
    • REST
      • Multi part
  • 🟢Protocols
    • HTTP
    • OAuth 2.0
    • LDAP
    • SAML
  • 🟢Testing
    • Selenium anatomy
    • Testcafe
  • 🟢Tools
    • JDBC
      • Connection pool
    • Gradle
    • vim
    • git
    • IntelliJ Idea
    • Elastic search
    • Docker
    • Terraform
    • CDK
    • Argo CD
      • app-of-app setup
    • OpenTelemetry
    • Prometheus
    • Kafka
      • Consumer lag
  • 🟢CI
    • CircleCi
  • 🟢Platforms
    • AWS
      • VPC
      • EC2
      • RDS
      • S3
      • IAM
      • CloudWatch
      • CloudTrail
      • ELB
      • SNS
      • Route 53
      • CloudFront
      • Athena
      • EKS
    • Kubernetes
      • Networking
      • RBAC
      • Architecture
      • Pod
        • Resources
      • How to try
      • Kubectl
      • Service
      • Tooling
        • ArgoCD
        • Helm
        • Istio
    • GraalVM
    • Node.js
    • Camunda
      • Service tasks
      • Transactions
      • Performance
      • How it executes
  • 🟢Frameworks
    • Hibernate
      • JPA vs Spring Data
    • Micronaut
    • Spring
      • Security
      • JDBC, JPA, Hibernate
      • Transactions
  • 🟢Awesome
    • Нейробиология
    • Backend
      • System design
    • DevOps
    • Data
    • AI
    • Frontend
    • Mobile
    • Testing
    • Mac
    • Books & courses
      • Path: Java Concurrency
    • Algorithms
      • Competitive programming
    • Processes
    • Finance
    • Electronics
  • 🟢Electronics
    • Arduino
    • IoT
  • Artificial intelligence
    • Artificial Intelligence (AI)
  • 🚀Performance
    • BE
  • 📘Computer science
    • Data structures
      • Array
      • String
      • LinkedList
      • Tree
    • Algorithms
      • HowTo algorithms for interview
  • 🕸️Web dev (Frontend)
    • Trends
    • Web (to change)
  • 📈Data science
    • Time series
Powered by GitBook
On this page

Was this helpful?

  1. Performance

BE

PreviousArtificial Intelligence (AI)NextData structures

Last updated 1 year ago

Async profiler

Example how to analyse, read flame grahps. Super

if your goal is to optimize time, and you use external systems (including DBs, queues, topics, microservices) or locks, sleeps, disk IO, It would help if you started with wall-clock mode.

👍
🚀