Instagram 從 AWS 搬到 Facebook 機房

InstagramInstagram Engineering Blog 上宣佈的消息:「Migrating From AWS to FB」。

整個 migration 的過程是採取不停機轉移,所以 effort 比直接停機轉移高很多:

The main blocker to this easy migration was that Facebook’s private IP space conflicts with that of EC2. We had but one route: migrate to Amazon’s Virtual Private Cloud (VPC) first, followed by a subsequent migration to Facebook using Amazon Direct Connect. Amazon’s VPC offered the addressing flexibility necessary to avoid conflicts with Facebook’s private network.

先把整個系統轉移到 Amazon VPC 裡,然後再拉 AWS Direct Connect 串起來,接下來才是慢慢把 instance 轉移到 Facebook 的機房內。

中間也有一些工作:

To provide portability for our provisioning tools, all of the Instagram-specific software now runs inside of a Linux Container (LXC) on the servers in Facebook’s data centers.

所以已經導入 LXC 了...

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One Response to Instagram 從 AWS 搬到 Facebook 機房

  1. okwap says:

    pix還是在aws s3的樣子

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