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Gitaly is a Git RPC service for handling all the git calls made by GitLab.

To see where it fits in please look at GitLab's architecture

Gitaly is still under development. We expect it to become a standard component of GitLab in Q1 2017 and to reach full scope in Q3 2017.

Make the git data storage tier of large GitLab instances, and GitLab.com in particular, fast.

This will be achieved by focusing on two areas (in this order):

1. Move git operations as close to the data as possible
   • Migrate from git operations on workers, accessing git data over NFS to Gitaly services running on file-servers accessing git data on local drives (See our test results)
   • Ultimately, this will lead to all git operations occurring via the Gitaly service and the removal of the need for NFS access to git volumes.
2. Optimize git services using caching and other techniques

Gitaly has been shipped as part of GitLab since 9.0. We are migrating git operations from in-process Rugged implementations to Gitaly service endpoints. The migration process is documented.

If you're interested in seeing how well Gitaly is performing on GitLab.com, we have dashboards!

The progress of Gitaly's endpoint migrations is tracked via the Migration Board

Gitaly requires Go 1.8 or newer and Ruby 2.3. Run make to download and compile Ruby dependencies, and to compile the Gitaly Go executable.

Gitaly uses git. Version 2.13.0 is recommended, and 2.8.4 at a minimum.

See configuration documentation

See CONTRIBUTING.md.

Gitaly is a tribute to git and the town of Aly. Where the town of Aly has zero inhabitants most of the year we would like to reduce the number of disk operations to zero for most actions. It doesn't hurt that it sounds like Italy, the capital of which is the destination of all roads. All git actions in GitLab end up in Gitaly.

High-level architecture overview:

Edit this diagram directly in Google Drawings

• Git Paris meetup, 2017-02-22 a high-level overview of what our plans are and where we are.
• Gitaly Basics, 2017-05-01
• Infrastructure Team Update 2017-05-11