ElasticSearch快速入门（一）介绍

一时失言乱红尘 2023-07-12 05:09 36阅读 0赞

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**Devops运维**  
●  
Node(节点):单个的装有Elasticsearch服务并且提供故障转移和扩展的服务  
器。  
●Cluster (集群) :一-个集群就是由一个或多个node组织在一 起，共同工作，  
共同分享整个数据具有负载均衡功能的集群。  
●  
Document (文档) : -一个文档是-一个可被索引的基础信息单元。  
●Index (索引) :索引就是- -个拥有几分相似特征的文档的集合。  
●  
Type(类型):-一个索引中，你可以定义一种或多种类型。  
Field (列) : Field 是Elasticsearch的最小单位，相当于数据的某一列。  
●Shards (分片) : Elasticsearch将索引分成若干份，每个部分就是- -个shard。  
●  
Replicas (复制) : Replicas是索引一 . 份或多份拷贝。

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