SRE deep dive into Linux Page Cache # Last updated: Oct 2025 Contents
Prepare environment for experiments Essential Page Cache theory Page Cache and basic file operations Page Cache eviction and page reclaim More about mmap() file access cgroup v2 and Page…

At DoorDash, real time events are an important data source to gain insight into our business but building a system capable of handling billions of real time events is challenging.

“Strengthen your management capabilities to lead your business into the future”- Ioannis Ioannou

Find out more about our Executive Education programmes: https://www.london.edu/executive-education/programme-search-results#sort=relevancy

How do your actions…

Server and OS Virtualization techniques are commonly used for partitioning server resources across multiple tenants (container, VM) in…

We build a Generatively Pretrained Transformer (GPT), following the paper "Attention is All You Need" and OpenAI's GPT-2 / GPT-3. We talk about connections to ChatGPT, which has taken the world by storm. We watch GitHub Copilot, itself a GPT, help us write…

Documenting reverse engineering of the original Lytro lightfield camera - ea/lytro_unlock

Jan 31, 2023

We learnt a lot about Kafka on the way to 1 trillion messages, and built some interesting internal tools to ease adoption that will be explored in this blog post.

Understanding and developing large language models.

Whenever I transition to a new opportunity, I think about how to “start well.” How can I ramp up as effectively as possible? How do I balance the urge to “show value” immediately with making the right decisions?

We’ve made architecture changes to Meta’s event driven asynchronous computing platform that have  enabled easy integration with multiple event-sources.  We’re sharing our learnings from handling va…

SQL indexing and tuning tutorial for developers. No unnecessary database details—just what developers need to know. Covers all major SQL databases.

This is the Rust course used by the Android team at Google. It provides you the material to quickly teach Rust. - google/comprehensive-rust

The first-ever course on data-centric AI. Learn how you can train better ML models by improving the data.

Linux, Jenkins, AWS, SRE, Prometheus, Docker, Python, Ansible, Git, Kubernetes, Terraform, OpenStack, SQL, NoSQL, Azure, GCP, DNS, Elastic, Network, Virtualization. DevOps Interview Questions - bre...