39 lines
430 B
Markdown
39 lines
430 B
Markdown
[[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 |