Cloudflare 推出 Cloudflare R2 Storage,相容於 S3 API,但沒有傳輸費用

Cloudflare 宣佈了 Cloudflare R2 Storage,相容於 S3 API,但是沒有傳輸費用:「Announcing Cloudflare R2 Storage: Rapid and Reliable Object Storage, minus the egress fees」,Hacker News 上的「Cloudflare R2 storage: Rapid and reliable object storage, minus the egress fees (cloudflare.com)」可以看一下討論,裡面有負責 R2 的 PM (帳號是 greg-m) 回答一些東西。

R2 的第一個特點就是剛剛提到的傳輸費用:一般的雲端都是傳進去不用錢,但傳出來會很貴,而 R2 其中一個主打的點就是傳出來不用錢:

R2 builds on Cloudflare’s commitment to the Bandwidth Alliance, providing zero-cost egress for stored objects — no matter your request rate. Egress bandwidth is often the largest charge for developers utilizing object storage and is also the hardest charge to predict. Eliminating it is a huge win for open-access to data stored in the cloud.

另外 storage cost 也算低,S3 目前的費用是 US$0.023/GB/month (拿 us-east-1 相比),而 R2 目前的定價是 US$0.015/GB/month:

That doesn’t mean we are shifting bandwidth costs elsewhere. Cloudflare R2 will be priced at $0.015 per GB of data stored per month — significantly cheaper than major incumbent providers.

在 durability 的部份,與 S3 都是一年 11 個 9:

The core of what makes Object Storage great is reliability — we designed R2 for data durability and resilience at its core. R2 will provide 99.999999999% (eleven 9’s) of annual durability, which describes the likelihood of data loss.

目前還沒有公開,算是先對市場放話:

R2 is currently under development — you can sign up here to join the waitlist for access.

有幾個點還蠻有趣的,第一個是 Cloudflare 自己在推的 Bandwidth Alliance 裡有不少 VPS 跟 Cloudflare 之間的流量是不計頻寬費用的,所以等於是 VPS 到 R2 不計費,而 R2 到 VPS 也不計費,但要注意 VPS 自己也都有在推 object storage。

像是 Vultr 的 US$5 方案包括了 250GB 的空間與 1TB 的頻寬,扣掉頻寬的部份 (可以透過 Cloudflare 處理),相當於是 US$0.02/GB。

Linode 也類似,US$5 的方案包括了 250GB 的空間與 500GB 的頻寬,算出來也是 US$0.02/GB。

Backblaze 也有類似的產品 B2,US$0.005/GB/month 的儲存費用以及 $0.01/GB 的傳輸費用,但頻寬的部份也可以透過 Cloudflare 處理。

這個產品出來以後可以再看看如何,但看起來是蠻有趣的。對目前的雲端商應該還好 (因為資料進 R2 還是有費用),但對這些 VPS 來說應該是有蠻大的衝擊...

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