Druid数据写入与查询

数据存储格式

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数据摄入

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实时写入方式

standalone

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indexing-service

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思考

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问题

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Tranquility

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0.10.1版本

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推荐利用lamda架构,利用离线架构修复实时数据
如果离线数据segment和实时数据的segment时间段重合的,此时会加载版本高的,卸载版本低的。
聚合类型有count,sum,max,min这四种
多值维度列

kafka-indexing-service

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离线写入方式

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