golovach-ivan / jvm-concurrency

Intergation examples

• Socks5 Proxy-server
• HTTP Proxy Rotation Cache

JMM

• "Good, Bad and Ugly"
• NewJMM vs JMM9, VarHandle, final

Architectures

• locks-and-threads
• actors
• transactional memory

Java Concurrency Patterns

• single instance
  • Singleton, DCL
• queues: 1 × 1, N × 1, 1 × M, N × M
• data structures: B-tree

JVM Concurrency API

• jdk
  • j.u.c
  • AQS Framework
  • F/J
  • Parallel Streams
• scala
• clojure
• real-time collections

Sceletons/Frameworks

• Disruptor
• NIO/NIO.2

Phisical Layer

Network Layer

• Zero-copy

Memory Layer

• Offheap memory
• What every CS shoul know about memory
• Intel architectures
• Cache hierarchy, cache coherence protocol
• Memory consistency models
  • Program Order
  • Sequential Consistency Lamport 79
  • Strict Consistency (Linearisability)
  • TSO
  • x86/64 = TSO + (Total Lock Order & Casual Consistency)

Storage Layer

Libraries

• Netty
• Akka
• Spring Reactor

Tools

• Gutling
• JMH
• JCStress

R&D

• Quasar