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Elasticsearch Pipeline 详解 - felayman个人博客,专业于Elasticsearch搜索技术
source link: https://www.felayman.com/articles/2017/11/24/1511527532643.html?
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用过Logstash对日志进行处理的用户都知道,一般情况下我们并不会直接将原始的日志进行加载到Elasticsearch集群,而是对原始日志信息进行(深)加工后保存到Elasticsearch集群中.比如Logstash支持多种解析器比如json,kv,date等,比较经典的是grok.这里我们不会对Logstash的解析器进行详细说明,只是为了描述一个问题,有些时候我们需要Logstash来对加载到Elasticsearch中的数据进行处理,这个处理,从概念上而言,我们也能称之为"预处理.而这里我们所说的预处理也其实就是类似的概念.
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