CPU and Kernel Page Faults

The Backend Engineering Show with Hussein Nasser by Hussein Nasser

Nov 24, 202500:48:37Technology

Page faults occurs when the process tries to access a memory that isn’t backed by a physical page kernel raises a fault which loads a page. It happens on first access, stack expansion, COW, swap and much more. However it...

Related Episodes

Continue listening to more episodes from The Backend Engineering Show with Hussein Nasser.

How open ai agents "hacked" hugging face

Aug 23, 2026 - 00:17:57

How open ai agents "hacked" hugging face

How a query optimization gave birth to infinite scroll

Jul 10, 2026 - 00:21:20

The infinite scroll in social media as we know it today is despised by all. But it always start as a bad...

Postgres is half as fast in Linux 7.0

Jun 17, 2026 - 00:34:08

An aws engineer discovered a 50% regression in postgres throughput while testing the new Linux 7.0 kernel...

Don't let AI rob you

Jun 8, 2026 - 00:31:53

A discussion about why many engineers still love the struggle, the mistakes, and the process of figuring...

My new book - Root cause, Stories from two decades of backend bugs

Apr 15, 2026 - 00:09:48

I wrote a new book that has been in the works for years. It is called Root Cause , and it is for those wh...

5 Backend Design Patterns for Managing Threads and Sockets

Jan 19, 2026 - 00:46:09

In this video I introduce 5 different design patterns for building backend applications. Each mode explai...

Page Tables

Dec 15, 2025 - 00:46:39

Page tables provide the mapping between virtual memory and physical memory for each process. This means i...

Amazon US-EAST-1 Outage in Details

Oct 31, 2025 - 00:24:26

On October 19 2025 AWS experienced an outage that lasted over a day, 10 days later we finally got the roo...