# 20x the CI traffic without getting slower: How we rebuilt Git serving at Datadog

DevFeed: [20x the CI traffic without getting slower: How we rebuilt Git serving at Datadog](<https://devfeed.tech/articles/20-the-ci-traffic-without-getting-slower-how-we-rebuilt-git-serving-at-datadog-2270.md>)

Original publisher: [Read original article](<https://www.datadoghq.com/blog/engineering/gitretriever/>)

Author: Mike Thompson; Daniel Esponda

Published: 2026-08-19T00:00:00Z

Content type: article

Language: en

Sources: [Datadog | The Monitor blog](<https://devfeed.tech/sources/datadog-the-monitor-blog.md>)

Topics: [ci](<https://devfeed.tech/topics/ci.md>), [Git](<https://devfeed.tech/topics/git.md>), [GitLab](<https://devfeed.tech/topics/gitlab.md>), [GitHub](<https://devfeed.tech/topics/github.md>), [Latency](<https://devfeed.tech/topics/latency.md>), [Replication](<https://devfeed.tech/topics/replication.md>), [Architecture & Design](<https://devfeed.tech/topics/architecture-design.md>), [AI-assisted coding](<https://devfeed.tech/topics/ai-assisted-coding.md>)

Tags: [backend](<https://devfeed.tech/tags/backend.md>), [ci](<https://devfeed.tech/tags/ci.md>), [ci-cd](<https://devfeed.tech/tags/ci-cd.md>), [deployment](<https://devfeed.tech/tags/deployment.md>), [git](<https://devfeed.tech/tags/git.md>), [github](<https://devfeed.tech/tags/github.md>), [infrastructure](<https://devfeed.tech/tags/infrastructure.md>), [latency](<https://devfeed.tech/tags/latency.md>), [mirror](<https://devfeed.tech/tags/mirror.md>), [replication](<https://devfeed.tech/tags/replication.md>), [self-hosted](<https://devfeed.tech/tags/self-hosted.md>)

## AI overview

Datadog describes gitretriever, a Git mirror built to serve CI workloads at large scale. The system handled 20x traffic growth while keeping median latency near 40 ms and reducing fetch-serving CPU usage on the previous Git backend.

## Source excerpt

Learn how Datadog built gitretriever to handle 20x more CI Git traffic while maintaining low latency and reducing backend CPU usage.