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ElasticSearch的搭建与数据统计 | 天狼武士的Blog
source link: http://www.tianshangkun.com/2018/05/15/ElasticSearch%E7%9A%84%E6%90%AD%E5%BB%BA%E4%B8%8E%E6%95%B0%E6%8D%AE%E7%BB%9F%E8%AE%A1/?
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平台内的产品有一个数据分析，统计平台内某个商户某个时间段内（今天、昨天、7天内、30天内……）的各种数据分析，这种分析显然用MySql的count、sum、GroupBy之类的去查询是很不靠谱的，尤其是在数据量很大的情况下效率就不言而喻了，本来想着用HBase的MR来做，或者直接把各纬度的数据通过HADOOP的MR处理完存到HBase里面，后来与朋友聊天后被朋友严重鄙视了一顿，鄙视的内容基本是嫌
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