Brendan Gregg

FEBRUARY 28, 2023

The video is now on [YouTube]: The slides are [online] and as a [PDF]: first prev next last / permalink/zoom In Q&A I was asked about CXL (compute express link) which was fortunate as I had planned to cover it and then forgot, so the question let me talk about it (although Q&A is missing from the video).

Performance 110

Performance Latency Cache Virtualization 110

High Scalability

NOVEMBER 14, 2018

New topics range from additional workloads like video streaming, machine learning, and public cloud to specialized silicon accelerators, storage and network building blocks, and a revised discussion of data center power and cooling, and uptime.

Design 54

Design Education Google Internet 54

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

VoltDB

JUNE 1, 2017

It was – like the hypothetical movie I describe above – more than a little bit odd, as you could leave a session discussing ever more abstract layers of virtualization and walk into one where they emphasized the critical importance of pinning a network interface to a specific VM for optimal performance. Where VoltDB fits. Very Well!”

Hardware 56

Hardware Latency Virtualization Cloud 56

Testsigma

SEPTEMBER 23, 2021

During upgrade or maintenance, the devices are updated either with software or hardware. Let’s understand this with the help of an example – there is a video-streaming website that is available for laptops and computers only. software and hardware installation upgrades wear and tear. Maintenance.

Cloud 96

Cloud Testing Infrastructure Internet 96

Brendan Gregg

FEBRUARY 28, 2023

The video is now on YouTube : The slides are online and as a PDF : first prev next last / permalink/zoom In Q&A I was asked about CXL (compute express link) which was fortunate as I had planned to cover it and then forgot, so the question let me talk about it (although Q&A is missing from the video).

Performance 52

Performance Latency Cache Virtualization 52

KeyCDN

SEPTEMBER 20, 2018

Monitoring errors on the front-end requires a bit more work because front-end performance is highly dependant on the user’s hardware, software and connection. Of course, there are also times when the problem lies not with your application but with the user’s connection or network configuration.

Strategy 67

Strategy Monitoring Website Google 67

Dotcom-Montior

DECEMBER 8, 2021

Software services still require physical devices and hardware for them to function. Like Slack, Microsoft is a real-time communication application that offers features like online messaging, video chat, and document sharing. Change management is also sometimes grouped with release management. Asset Management.

Social Media 90

Social Media Monitoring Latency DevOps 90

The Netflix TechBlog

APRIL 29, 2019

We use Python through the full content lifecycle, from deciding which content to fund all the way to operating the CDN that serves the final video to 148 million members. Open Connect Open Connect is Netflix’s content delivery network (CDN). video streaming) takes place in the Open Connect network. are you logged in?

Open Source 279

Open Source Network Infrastructure Big Data 279

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

O'Reilly

NOVEMBER 28, 2023

That pricing won’t be sustainable, particularly as hardware shortages drive up the cost of building infrastructure. Advanced Data Analysis does a decent job of exploring and analyzing datasets—though we expect data analysts to be careful about checking AI’s output and to distrust software that’s labeled as “beta.”

Open Source 109

Open Source Artificial Intelligence Google Infrastructure 109

Alex Russell

APRIL 29, 2021

Next-generation video codecs, supported in many modern chips, but also a licensing minefield. Necessary for building competitive video experiences, including messaging and videoconferencing. Real-time network protocols for enabling videoconferencing, desktop sharing, and game streaming applications. Where iOS Has Lagged.

Media 145

Media Games Education Engineering 145

Testsigma

FEBRUARY 3, 2021

Mobiles have different models, screen resolutions, operating systems, network types, hardware configurations, etc. Also, how to test the hardware of the mobile phone itself, is it supporting all the software as it should? Let us have a look at the most popular types of mobile testing for applications and hardware.

Mobile 82

Mobile Testing Hardware C++ 82

The Netflix TechBlog

DECEMBER 23, 2020

everything from the frontend API for netflix.com, to machine learning training workloads, to video encoders. In addition to the default Docker namespaces (mount, network, UTS, IPC, and PID), we employ user namespaces for added layers of isolation. It runs a wide variety of workloads from various parts of the company?—?everything

Media 286

Media Metrics Systems Processing 286

O'Reilly

AUGUST 4, 2022

DeepMind’s Gato is an AI model that can be taught to carry out many different kinds of tasks based on a single transformer neural network. The claim is that AGI is now simply a matter of improving performance, both in hardware and software, and making models bigger, using more data and more kinds of data across more modes.

Games 105

Games Social Media Hardware Architecture 105

Tech News Gather

JULY 19, 2023

Otherwise, you may not be able to locate enough appropriate hardware and end up having to often switch between different programs. Hubs The hub would be the primary data collector and manager for a network of remote monitoring smart devices. This action may prevent hackers from gaining access to the network and taking it over.

Wireless 52

Wireless IoT Development Internet 52

All Things Distributed

MARCH 11, 2016

Almost from day one, we knew that the software we were building would not be the software that would be running a year later. We needed to build such an architecture that we could introduce new software components without taking the service down. Build evolvable systems. Primitives not frameworks. Automation is key.

AWS 144

AWS Hardware Retail Virtualization 144

Brendan Gregg

NOVEMBER 28, 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 40

Virtualization AWS Hardware Storage 40

O'Reilly

JULY 20, 2021

There may be multiple people in the room during a video call, not just the person you are calling. You will find that the paradigms you choose for other parties won’t align with the expectations for children, and modifying your software to accommodate children is difficult or impossible. Source: Google Face Match video, [link] ).

Google 122

Google Games Technology Technology 122

Dotcom-Montior

MAY 12, 2020

Network or connection error. Network latency. Hardware resources. Network Latency. With the evolution of cloud technologies, such as Single Page Applications (SPAs), Web APIs, and Model View Controller (MVC), network latency has become a crucial factor to be monitored. Network latency can be affected due to.

Monitoring 63

Monitoring Entertainment Hardware Latency 63

Smashing Magazine

AUGUST 22, 2021

As we will see, QUIC and HTTP/3 indeed have great web performance potential, but mainly for users on slow networks. If your average visitor is on a fast cabled or cellular network, they probably won’t benefit from the new protocols all that much. An often used metaphor is that of a pipe used to transport water. Congestion Control.

Performance 106

Performance Network Latency Servers 106

The Morning Paper

MARCH 1, 2020

The ideal isolation solution would have the following properties: Strong isolation (multiple functions on the same hardware, protected against privilege escalation, information disclosure, covert channels, and other risks). for block IO, process scheduling and memory management, and the TUN/TAP virtual network interfaces).

Serverless 101

Serverless Virtualization Lambda AWS 101

Alex Russell

JUNE 20, 2020

Suz Hinton's talks on WebUSB show the through-line: as the web gets more capable, whole classes of software suddenly benefit from frictionless deployment, increased safety, better privacy, and more meaningful user controls. rich multimedia (animations, video, audio). full TCP/IP & UDP networking, including local network discovery.

Hardware 55

Hardware Games Java Media 55

Tim Kadlec

JANUARY 9, 2019

Sites that use an excess of resources, whether on the network or on the device, don’t just cause slow experiences, but can leave entire groups of people out. Similarly, there is a growing gap between what a top of the line network connection can handle and what someone with a poor mobile connection or satellite connection can handle.

Performance 111

Performance Energy Internet Internet 111

All Things Distributed

JUNE 21, 2012

Customers have used DynamoDB to support Super Bowl advertising campaigns, drive Facebook applications, collect and analyze data from sensor networks, track gaming information, and more. Earth Networks recently launched a new lightning proximity feature for their popular WeatherBug app. Lex Crosett, CIO, Earth Networks.

Games 142

Games Scalability AWS Database 142

Percona

APRIL 17, 2023

For example: UUID=f41e390f-835b-4223-a9bb-9b45984ddf8d / xfs rw,noatime,attr2,inode64,noquota 0 0 Unix ulimit settings Most UNIX-like operating systems, including Linux and macOS, provide ways to limit and control the usage of system resources such as threads, files, and network connections on a per-process and per-user basis.

Best Practices 52

Best Practices Design Tuning Database 52

The Morning Paper

JULY 4, 2019

degraded hardware, transient networking problem) or, more often, because of some change deployed by Netflix engineers that did not have the intended effect. Netflix’s system is deployed on the public cloud as complex set of interacting microservices.

Latency 77

Latency Engineering Metrics Traffic 77

Brendan Gregg

SEPTEMBER 5, 2017

. ## Observability Here's the big picture of performance observability tools on Linux, from my [Linux performance] page, where I also have diagrams for other tool types, as well as videos and slides of prior Linux performance talks: I also have a USE Method: Linux Performance Checklist , as a different way to navigate and apply the tools.

Virtualization 76

Virtualization AWS Engineering Hardware 76

Sutter's Mill

JUNE 21, 2012

Now welcome to the hardware jungle. A classic example is TCP , which delivers reliable communications over notoriously- and deliberately-unreliable IP which can drop and reorder packets as network nodes and communications paths keep madly appearing and reappearing like a herd of crazed Cheshire cats. — The free lunch is over.

Latency 40

Latency Transportation Hardware Education 40

Tim Kadlec

JULY 31, 2013

One of the ones that stands out is Nate Koechley’s “Professional Frontend Engineering” presentation ( transcript and video ). Others who made assumptions about capabilities, support, networks, etc are going to be scrambling to fix bugs and make their site just “work”. Here at Yahoo!,

Google 40

Google Website Hardware Games 40

Smashing Magazine

JANUARY 11, 2021

Assets Optimizations Brotli, AVIF, WebP, responsive images, AV1, adaptive media loding, video compression, web fonts, Google fonts. Networking, HTTP/2, HTTP/3 OCSP stapling, EV/DV certificates, packaging, IPv6, QUIC, HTTP/3. You can then mimic the 90th percentile’s experience for testing.

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 6, 2020

To get a good first impression of how your competitors perform, you can use Chrome UX Report ( CrUX , a ready-made RUM data set, video introduction by Ilya Grigorik and detailed guide by Rick Viscomi) or Treo Sites , a RUM monitoring tool that is powered by Chrome UX Report. You can then mimic the 90th percentile’s experience for testing.

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

JANUARY 7, 2019

To get a good first impression of how your competitors perform, you can use Chrome UX Report ( CrUX , a ready-made RUM data set, video introduction by Ilya Grigorik), Speed Scorecard (also provides a revenue impact estimator), Real User Experience Test Comparison or SiteSpeed CI (based on synthetic testing). 150ms RTT, 1.5 Mbps down, 0.7

Performance 104

Performance Cache Metrics Network 104

High Scalability

NOVEMBER 25, 2019

To add elasticity, reliability and durability, these data centers are connected to Google Cloud platform using high speed, secure Google Interconnect network. Video Transcoding. We already use the public cloud to autoscale some async processing like Video Transcoding, text extraction, data migration, Search, etc. Document store.

Architecture 52

Architecture Cache Azure Storage 52