V2EX = way to explore V2EX 是一个关于分享和探索的地方
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This topic created in 1689 days ago, the information mentioned may be changed or developed.
while (server == null && count++ < 10) { // 省略。。 if (server == null) { /* Transient. */ Thread.yield(); continue; } // 省略。。 }
看代码应该是 9 年期，难道只是出让一次机会给别的线程执行？
 | 1 kkkkkrua Sep 18, 2021 意思就是 sleep 的优雅版 |
 | 2 carrotrollroll Sep 19, 2021 这不是每次循环都出让一次嘛？ |
 | 3 xxxrubyxxx Sep 19, 2021 让出线程拿到的时间片，让其他线程去竞争，Thread.sleep()会让线程阻塞在哪里，浪费 cpu 资源 |
 | 4 huang119412 Sep 22, 2021 看注释：A hint to the scheduler that the current thread is willing to yield its current use of a processor. The scheduler is free to ignore this hint. 实际上这个可以极大增加 CPU 利用率，Disruptor 高性能就是靠 CAS + yield |
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