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19 - CountDownLatch和CyclicBarrier:如何让多线程步调一致?.md
前几天老板突然匆匆忙忙过来,说对账系统最近越来越慢了,能不能快速优化一下。我了解了对账系统的业务后,发现还是挺简单的,用户通过在线商城下单,会生成电子订单,保存在订单库;之后物流会生成派送单给用户发货,派送单保存在派送单库。
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