The Netflix TechBlog

OCTOBER 27, 2023

This blog post shows how to connect the dots from the worst case scenario (a kernel panic) through to Kubernetes (k8s) and eventually up to us operators so that we can track how and why our k8s nodes are going away. (We These orphaned pods represent real pain for our users, even if they are a small percentage of the total pods in the system.

Hardware 228

Hardware Cloud Google Servers 228

Brendan Gregg

JULY 4, 2021

AWS Graviton2); for memory with the arrival of DDR5 and High Bandwidth Memory (HBM) on-processor; for storage including new uses for 3D Xpoint as a 3D NAND accelerator; for networking with the rise of QUIC and eXpress Data Path (XDP); and so on. I also wrote about these topics in detail for my recent [Systems Performance 2nd Edition] book.

Performance 140

Performance Latency Hardware Storage 140

ACM Sigarch

APRIL 26, 2018

They unveiled their first two embedded AI chips fabricated with TSMC 40nm process in December 2017: “Journey 1.0 HPU: Holographic Processing Unit (HPU) is the specific hardware of Microsoft’s Hololens. Image Processing Unit (IPU) is the Pixel Visual Core designed by Google and integrated in Google Pixel 2 released in 2017.

Hardware 99

Hardware Artificial Intelligence Architecture Google 99

Brendan Gregg

JULY 4, 2021

AWS Graviton2); for memory with the arrival of DDR5 and High Bandwidth Memory (HBM) on-processor; for storage including new uses for 3D Xpoint as a 3D NAND accelerator; for networking with the rise of QUIC and eXpress Data Path (XDP); and so on. I also wrote about these topics in detail for my recent [Systems Performance 2nd Edition] book.

Performance 52

Performance Latency Hardware Storage 52

Brendan Gregg

NOVEMBER 29, 2017

Hardware virtualization for cloud computing has come a long way, improving performance using technologies such as VT-x, SR-IOV, VT-d, NVMe, and APICv. The latest AWS hypervisor, Nitro, uses everything to provide a new hardware-assisted hypervisor that is easy to use and has near bare-metal performance. I'd expect between 0.1%

Virtualization 111

Virtualization AWS Hardware Storage 111

Rigor

MARCH 20, 2018

I recently was asked the following question by an online retailer: “Why should I invest in monitoring the user experience when I already have monitoring for our database, infrastructure, app server, and network?”. Instead of asking that question, I asked them this: “Are you a network or hosting provider?

Monitoring 40

Monitoring Retail Ecommerce Infrastructure 40

Adrian Cockcroft

DECEMBER 28, 2017

I wanted a system that still works manually and during network outages, and didn’t really want to have a separate hub to gateway the signal. they launched in October 2017, and were founded by people with experience at Nest (thermostats) and August (locks). Eventually I discovered a new option called Noon ( noonhome.com )?—?they

IoT 40

IoT Hardware Energy Network 40