Mike Freemon

2 articles by Mike Freemon.

Unbounded memory usage by TCP for receive buffers, and how we fixed it

We are constantly monitoring and optimizing the performance and resource utilization of our systems. Recently, we noticed that some of our TCP sessions were allocating more memory than expected. This blog post describes in detail the root cause of the problem and shows the test results of a solution

Mike Freemon·May 25, 2023Performance

Optimizing TCP for high WAN throughput while preserving low latency

In this post, we describe how we modified the Linux kernel to optimize for both low latency and high throughput concurrently

Mike Freemon·July 1, 2022Performance