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markdown-file/Wormhole-Install-And-Settings.md
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- 需要对流计算的一些基础概念有基础了解,比如:Source、Sink、YARN、Kafka 等
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+-------------------------------------------------------------------
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+
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+## 本文目标
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+- 统计 **滑动窗口** 下的流过的数据量(count)
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+- 数据格式:
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+```
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+{
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+ "id": 1,
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+ "name": "test",
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+ "phone": "18074546423",
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+ "city": "Beijing",
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+ "time": "2017-12-22 10:00:00"
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+}
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## 基础环境
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