[筆記] Ultimate AWS Certified Developer Associate (34)

章節連結

給自己 2022 年的新目標 – AWS Certified Developer Associate 的學習筆記。這篇筆記下 Routing Policies 的其中三種以及 Health Checks。
notes-ultimate-aws-certified-developer-associate-1


課程相關資訊

[連結]:https://www.udemy.com/course/aws-certified-developer-associate-dva-c01/learn/lecture/28386552

本篇範圍:Chapter 9

請注意:本系列文章為個人對應課程的消化吸收後,所整理出來的內容。換言之,並不一定會包含全部的課程內容,也有可能會添加其他資源來說明。


內容

1. Route 53 的 Routing Policies 是指 Route 53 對於 DNS 查詢的回應方式;DNS 本身是沒有導流功能的
2-1. Simple:可以定義多個回傳值,讓 client 自行選擇;無法使用 Health Checks
2-2. Weighted:控制查詢流量,依照 % 回傳到不同的 Instance ( 如 EC2 )
2-3. Latency-based:可以和 Health Checks 結合,可以導向特定的 Region

Health Checks

1. HTTP Health Checks 僅限於 public rosources
2. 何謂 Health Checks:追蹤 endpoint (application,  server, …等);追蹤其他的 Health Checks;追蹤 CloudWatch
3. 可以和 CloudWatch 追蹤


系列文章

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