Amazon Aurora 支援快速複製

Amazon Aurora 宣佈支援快速複製:「Amazon Aurora Fast Database Cloning」。

對於 2TB 的資料大約五分鐘就完成了:

This means my 2TB snapshot restore job that used to take an hour is now ready in about 5 minutes – and most of that time is spent provisioning a new RDS instance.

主要是得力於後端 storage 的部份可以實做 copy-on-write 架構:

By taking advantage of Aurora’s underlying distributed storage engine you’re able to quickly and cheaply create a copy-on-write clone of your database.

可以快速複製就可以很快的驗證一些事情,像是可以直接測試 ALTER TABLE 需要的時間,或是事前演練...

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