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Hui-s-notebook/锁.md
Lostecho 1cd5bb460f clear old record
2023-09-10 10:50:53 +08:00

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乐观锁

悲观锁

自旋锁

synchorizned

ReentrantLock

Lock 接口

公平锁 和非公平锁

Semaphore

AtomicInteger

可重入锁

读写锁

共享锁和独占锁

重量级锁和轻量级锁

偏向锁

分段锁

同步锁和死锁

锁优化

  1. 减少锁的持有时间
  2. 减少锁的粒度
  3. 锁分离
  4. 锁粗化
  5. 锁消除
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