Posts from @anascachen..
Every read from a physical drive is a tremendous performance hit and should be avoided. In this blog post, we are going to see how to debug scenarios where we can’t utilize cached data and need to read from the physical drive. We’re going to see why it’s important, what to look for, and what tools and extensions to use.
🖧 Ensuring a loop-free network topology is crucial for the stability and efficiency of LANs. Explore our latest article on Spanning Tree Protocol (STP) and its enhancements, Rapid Spanning Tree Protocol (RSTP) and Multiple Spanning Tree Protocol (MSTP). Understand their functionalities, key featur..
OpenTelemetry offers powerful data collection, but maximizing its efficiency requires careful configuration. This article explores advanced techniques for sampling filtering, and data enrichment.
The post provides a technical overview of distributed systems, including how systems communicate with each other using protocols like HTTP and RPC. It also touches on the importance of services within a distributed system and how communication between services is essential for overall functionality,.. read more
Last week, over 8.5 million Windows machines worldwide crashed due to a CrowdStrike update that caused the CSAgent.sys process to write to an invalid memory address, resulting in the "Blue Screen of Death". Recovery was slow and manual, with each impacted machine needing individual fixing, and lesso.. read more
The post discusses the challenges faced by the Owlbot load testing system at loveholidays. By analyzing the bottleneck in theripleyload generator, the team was able to optimize the replay algorithm and improve performance significantly. The changes made, such as adjusting theMaxIdleConnsPerHostvalue.. read more
Canonical will now ship the latest upstream kernel code in development at the time of a new Ubuntu release, even if it is still in Release Candidate (RC) status. This new policy aims to provide users with the latest features and hardware support, differing from the current method where stable kernel.. read more
Netflix uses Amazon AWS to host its infrastructure across multiple regions, improving content delivery by serving traffic closer to users. During an investigation of cross-region traffic issues, engineers discovered a kernel upgrade impacting TCP receive window calculations. Rolling back the kernel .. read more
Azure Copilot is an AI-powered assistant in the Azure ecosystem that provides insights, recommendations, and automation for managing cloud resources, including Azure Kubernetes Services (AKS). It simplifies tasks such as resource optimization, performance monitoring, security enhancements, and autom.. read more
A student from Purdue University successfully ran Arch Linux on Google Drive using Filesystem in Userspace (FUSE) and various creative solutions, though faced issues with permissions and symlinks. Despite this, they optimized boot times and tested their setup on a storage-less laptop, hinting at pot.. read more
