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coolshell.cn
12 年
疫苗:Java HashMap的死循环
在淘宝内网里看到同事发了贴说了一个CPU被100%的线上故障,并且这个事发生了很多次,原因是在Java语言在并发情况下使用HashMap造成Race Condition,从而导致死循环。这个事情我4、5年前也经历过,本来觉得没什么好写的,因为Java的HashMap是非线程安全的,所以在 ...
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