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Timothy Lee
Fast Snap Up

Fast Snap Up

Avatar of Timothy Lee.
Avatar of Timothy Lee.

Fast Snap Up

ByTimothy Lee
後端工程師
・
New Taipei City, Taiwan

速速搶購 - Fast Snap Up

當同一資源被同時讀取和寫入時就會產生資料競爭，直觀上可能會使用mutex lock 來避免此現象，但容易造成 dead lock，透過設定 database 的 transacion level 來讓資料能有序地被控制處理，並達到資料一致性的目的

開發架構流程示意圖

多人搶購相同商品模擬結果


模擬多人搶購相同商品，在資料競爭的情況下，透過設定Database的 transaction level 來達到資料的一致性。
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Timothy Lee
Published: Jan 12th 2023
47
6
0

Tools

nginx
nginx
amazonwebservices
Amazon Web Services
bootstrap
Bootstrap
css3
CSS3
html5
HTML5
postgresql
PostgreSQL
express
Express
nodejs
Node.js
Node.js
AWS
Back-end
Transaction
Race condition

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