Facebook’s memcached on GitHub
Facebook just released their memcached fork. The enhancements are explained in this note. Since we’ve made all these changes, we have been able to scale memcached to handle 200,000 UDP…
Facebook just released their memcached fork. The enhancements are explained in this note.
Since we’ve made all these changes, we have been able to scale memcached to handle 200,000 UDP requests per second with an average latency of 173 microseconds. The total throughput achieved is 300,000 UDP requests/s, but the latency at that request rate is too high to be useful in our system. This is an amazing increase from 50,000 UDP requests/s using the stock version of Linux and memcached.
Written by
Related posts

GitHub Availability Report: January 2025
In January, we experienced two incidents that resulted in degraded performance across GitHub services.

GitHub Copilot: The agent awakens
Introducing agent mode for GitHub Copilot in VS Code, announcing the general availability of Copilot Edits, and providing a first look at our SWE agent.

That’s a wrap: GitHub Innovation Graph in 2024
Discover the latest trends and insights on public software development activity on GitHub with the release of Q2 & Q3 2024 data for the Innovation Graph.