Latency Profiling in Python: From Code Bottlenecks to Observability

Posted on Sat 29 November 2025 | Part 2 of Low-Latency Fundamentals | 18 min read

Featured image for Latency Profiling in Python: From Code Bottlenecks to Observability

Learn how to pinpoint where time disappears in Python systems, from CPU and I/O bottlenecks to Prometheus metrics and continuous profilers. Explore the tools that turn raw measurements into observability dashboards revealing real performance patterns.


Continue reading

Understanding Latency: From Wire to Code

Posted on Sat 15 November 2025 | Part 1 of Low-Latency Fundamentals | 12 min read

Featured image for Understanding Latency: From Wire to Code

Every microsecond counts, but where do they actually go?

This article traces the hidden journey of a message from the network wire to the application's code, revealing how the NIC, interrupts, syscalls, and runtimes introduce delay at every hop.


Continue reading

Ring Buffers 101: The Building Block of Low-Latency Systems

Posted on Sat 04 October 2025 | 12 min read

Featured image for Ring Buffers 101: The Building Block of Low-Latency Systems

An introduction to ring buffers, a foundational data structure for low-latency systems. We'll cover how they work, why they're fast, common variants, and practical use cases in real-time applications.


Continue reading