配置 Elasticsearch
https://www.elastic.co/guide/en/elasticsearch/reference/current/settings.html
重要的 Elasticsearch 配置
https://www.elastic.co/guide/en/elasticsearch/reference/current/important-settings.html
重要的系统配置
https://www.elastic.co/guide/en/elasticsearch/reference/current/system-config.html
Link：https://www.cnblogs.com/farwish/p/12871339.html
[ELK] 生产环境中 Elasticsearch 的重要配置项
原文：https://www.cnblogs.com/farwish/p/12871339.html