ElasticSearch
Revision as of 06:52, 15 April 2019 by Rafahsolis (talk | contribs)
Plugins
Site Plugins
- Head: Swiss Army Knife for ElasticSearch cluster topology & cluster status, table views & API frontend views
- BigDesk: Statistics, charts
- Kopf: Cluster administration & query tool
Analysis Plugins
- SmartCN: Analyze Chinese text
QueryDSL vs RDMBS
| Elastic Search | RDMBS |
|---|---|
| Index | Database |
| Type | Table |
| Document | Row |
| Field | Column |
| Mapping | Schema |
| Query DSL | SQL |
| Get API | Select * FROM |
| POST API | UPDATE <TABLE> SET |
| PUT API | INSERT INTO <TABLE> |
| Everything is indexed | Index on demand |
| Aggregation | SELECT <FIELD>, COUNT (*) FROM <TABLE> |