Deep Dive into Engineering

Engineering

Windows 11's UI Rendering Jank: Beyond the Latest 'Fix' Update

This post dissects the underlying causes of FPS drops and UI lag experienced by Windows 11 users after specific updates, moving beyond superficial fixes to explain the architectural decisions and component interactions that lead to these performance regressions. We’ll cover the usual suspects like graphics drivers and system resources, but also dive into the less obvious culprits like the Windows Composition Engine (DWM), DirectX versioning, and the impact of background services that hijack rendering priorities.
6 min read
Windows 11's UI Rendering Jank: Beyond the Latest 'Fix' Update
Engineering

The Silent Killer: Understanding and Mitigating TCP Retransmission Backoff Failures

A deep dive into how aggressive TCP retransmission backoff algorithms, often lauded for their simplicity, can lead to cascading failures in high-latency, packet-loss-prone network environments. This analysis focuses on the practical implications for SREs managing large-scale distributed systems, highlighting how default settings can exacerbate congestion and lead to service degradation.
8 min read
The Silent Killer: Understanding and Mitigating TCP Retransmission Backoff Failures