Article Directory
foreword
This series mainly records and learns Elastisearch 8.8.2 (currently the latest official version). This article will start with concepts , features , and usage scenarios * instead of technical content.
1. Introduction to Elasticsearch
In the official definition, Elastic search is a search, aggregation analysis and storage engine that naturally supports distributed.
不依赖第三方来维护节点，管理集群。具有自己的分布式策略来管理
Known as: Full Text Search Engine
2. Features
- open source
- Java-based
- Based on the Lucene framework: developed based on the open source Apache Lucene framework
- Native distributed
- High performance: supports full-text retrieval of massive data. Support PB-level data response within seconds
- Scalability: Elastic search can dynamically expand or contract performance according to the performance requirements of different scale services.
- Easy to expand: supports very convenient scale-out clusters.
- out of the box
- cross language
3. Usage scenarios
As long as the development of the search function is used, Elasticsearch can be used. It can be said that everything needs this thing.
Summarize
This chapter is only the beginning of learning Elasticsearch, not technical content.