Over the past few weeks, the Infrastructure Team has been working on setting up a second Content Delivery Network (CDN) for releases and crates.
What is changing
Rust releases (
static.rust-lang.org) and crates (
static.crates.io) will be
served through both AWS CloudFront and
This is a transparent change to the infrastructure that doesn't require users or developers to take any action. We expect no downtime for Rust users as part of the migration.
This also covers only the CDNs for releases (
static.crates.io), no changes are planned for the rest of Rust's
We are starting the rollout of the new CDN tomorrow, on January 25th, with
The rollout will happen very gradually over a period of time. We will start to send a small percentage of traffic through Fastly, while observing the performance and reliability of the new network. As we gain confidence, we will slowly increase the amount of traffic.
static.crates.io has been deployed, we will start working on
If something does break, please let the Infrastructure Team know on #t-infra on Zulip.