chore: update es

alomerry · Oct 29, 2023 · a885e87 · a885e87
1 parent 708c7e2
commit a885e87
Showing 1 changed file with 16 additions and 2 deletions.
diff --git a/8gu/database/elastic-search/index.md b/8gu/database/elastic-search/index.md
@@ -1,8 +1,22 @@
 # ElasticSearch
 
+ES 实时的分布式搜索分析引擎
+
+## 概念
+
 索引、组合/复合查询、过滤器、分词等机制
 
-https://pdai.tech/md/db/nosql-es/elasticsearch-y-th-2.html#google_vignette
+- https://pdai.tech/md/db/nosql-es/elasticsearch-y-th-2.html#google_vignette
+- https://cloud.tencent.com/developer/article/2132839
+
+- 索引 _index _type _id
+- 分片 主分片 副分片
+  - 1 分片 = Lucene 的索引，每个索引有很多分段，每个分段都是倒排索引
+
+## 问题
+
+- Es 为什么能准实时
 
-https://cloud.tencent.com/developer/article/2132839
+## Reference
 
+- [《ElasticSearch 源码解析与优化实战》](http://www.baidu.com)