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秒杀部分如何理解？ #7

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Ljia-ncu opened this issue May 9, 2020 · 0 comments

Ljia-ncu commented May 9, 2020 •

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Rsemaphore这块代码，我用jmeter测了发现缓存数据变成了负数，信号量只是用来缓冲访问量？
还有缓存库存减少不应该直接decrement()吗，为啥用--count这种；

Ljia-ncu changed the title ~~秒杀设计要改一下~~ 秒杀部分如何理解？

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