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fix lalb doc typo #10

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Merged
jamesge merged 1 commit into from
Sep 17, 2017
Merged

fix lalb doc typo #10

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2 changes: 1 addition & 1 deletion docs/cn/lalb.md
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Expand Up @@ -105,7 +105,7 @@ LoadBalancer是一个读远多于写的数据结构：大部分时候，所有

这个结构有广泛的应用场景：

- reload词典。大部分时候词典都是只读的，不同线程同时查询时不应查询。
- reload词典。大部分时候词典都是只读的，不同线程同时查询时不应互斥。
- 可替换的全局callback。像butil/logging.cpp支持配置全局LogSink以重定向日志，这个LogSink就是一个带状态的callback。如果只是简单的全局变量，在替换后我们无法直接删除LogSink，因为可能还有都写线程在用。用DBD可以解决这个问题。

## weight tree
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