ElasticSearchは"ほぼリアルタイム"の検索プラットフォームです。 というのもdocumentをindexして検索できるまでに通常１分間時間がかかる
一つ以上のnodeサーバの集合のこと。リレーショナルデータベースでいうDataBaseに当たる。 [役割]
- 投入するデータをすべてのnodeサーバで分散して保持
- 各nodeサーバをまたぐインデックスの提供
- 各nodeサーバをまたぐデータの検索
kmry
/ 0.ES用語.md
Last active
June 11, 2019 03:50
— forked from gtaiyou24/0.用語.md
【WIP】Elasticsearch６＆７のメモ（forked）
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| //3-1.recursive. | |
| main() { | |
| for (int i = 1; i <= 30; i++) { | |
| print('fibonacci($i) = ${fibonacci(i)}'); | |
| } | |
| } | |
| /// Computes the nth Fibonacci number. | |
| int fibonacci(int n) { | |
| return n < 2 ? n : (fibonacci(n - 1) + fibonacci(n - 2)); |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // 1-1.Hello world. | |
| main() { | |
| print('Hello world.'); | |
| } |