索引docsegmentfield

ES doc_values的来源，field data——就是doc->terms的正向索引啊，不过它是在查询阶段通过读取倒排索引loading segments放在内存而得到的？

Support in the Wild: My Biggest Elasticsearch Problem at Scale Java Heap Pressure Elasticsearch has so many wildly different use cases that I could not write a reasonably short blog post describing...

ES索引瘦身压缩——_source _all 均disable filed store为no，引入第三方DB存储原始数据，去掉pos倒排和doc_values，强制定期merge segments，将所有fileds合并为一个field big string

原始数据：835MB ES 设置了_source _all disabled 且设置了仅仅存docs倒排 Wed Feb 22 11:58:27 CST 2017 Before size: 1 /home/bone/elasticsearch-2.4.1/data/ OK, waiting... 0 After size: 435 /home/bone/elasticsearch-2.4.1...