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Nguyễn Thái Sơn Professional
Asked At: 1632512043000 In: DevOps
Nguyễn Thái Sơn Professional Asked At: 1632512043000 In: DevOps
deploy java application
Câu 1 : Anh Dũng ơi, anh có làm zero downtime deployment chưa ạ. Anh có thể chia sẻ em cách xử lý zero downtime được không ạ.
Câu 2 : Khi deploy code mới lên mà vẫn còn message trong queue chưa xử lí xong thì phải làm thế nào ạ ?
Giả sử logic của code cũ và code mới là khác nhau và muốn message cũ giữ logic của code cũ. Em xin chân thành cảm ơn anh
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tvd12 Enlightened
Added an answer at: 1632516010000
tvd12 Enlightened
Added an answer at: 1632516010000
  1. Anh thấy có nhiều cách để làm, ví dụ:
  2. <a href="https://kubernetes.io/docs/tutorials/kubernetes-basics/update/update-intro/" rel="nofollow ugc">Rolling update</a>: Khởi động lại dần dần các server, bọn anh đang dùng cách này
  3. <a href="https://docs.cloudfoundry.org/devguide/deploy-apps/blue-green.html" rel="nofollow ugc">Blue Green Deployment</a>: Tạo ra 2 tài nguyên phần cứng chạy song song, sau đó kiểm tra traffic đã vào server mới được update chưa thì có thể tắt server cũ.
  4. <a href="https://harness.io/blog/blue-green-canary-deployment-strategies/" rel="nofollow ugc">Canary deployment</a>: Deploy trên các tập user khác nhau, cái này facebook hay các hệ thống global hay dùng em ạ
  5. Bọn anh thường chặn traffic và chờ 1 khoảng thời gian, ví dụ 1 phút chẳng hạn, để các message được tiêu thu hết.
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