Brendan Gregg

FEBRUARY 28, 2023

References I've reproduced the references from my SREcon22 keynote below, so you can click on links: [Gregg 08] Brendan Gregg, “ZFS L2ARC,” [link] , Jul 2008 [Gregg 10] Brendan Gregg, “Visualizations for Performance Analysis (and More),” [link] , 2010 [Greenberg 11] Marc Greenberg, “DDR4: Double the speed, double the latency?

Performance 52

Performance Latency Cache Virtualization 52

Smashing Magazine

OCTOBER 31, 2023

Answering Common Questions About Interpreting Page Speed Reports Answering Common Questions About Interpreting Page Speed Reports Geoff Graham 2023-10-31T16:00:00+00:00 2023-10-31T17:06:18+00:00 This article is sponsored by DebugBear Running a performance check on your site isn’t too terribly difficult.

Speed 97

Speed Google Website Metrics 97

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. Ford, et al., “TCP

Performance 52

Performance Latency Hardware Storage 52

Randon ASCII

JULY 11, 2022

A bug had been filed suggesting that Chrome download speeds (such as those measured by speedtest.net ) seemed to be affected by some anti-virus software. I’d been testing on a virtual machine in a data center that I had access to, purely because this machine has an internet connection that runs at over 2 Gbps. Case closed.

Cache 105

Cache Energy Google Processing 105

Dotcom-Montior

NOVEMBER 27, 2018

Today’s applications are built on multiple technologies, relying on vast networks of third-party providers and CDN’s. Additionally, end users can access your site or applications from anywhere in the world using different browsers, operating systems, and mobile devices, all with varying connection speeds.

Performance Testing 40

Performance Testing Strategy Testing Performance 40

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.

Hardware 56

Hardware Latency Virtualization Cloud 56

All Things Distributed

DECEMBER 20, 2017

Developments like cloud computing, the internet of things, artificial intelligence, and machine learning are proving that IT has (again) become a strategic business driver. This allows the customers to come up with measures in order to expand their networks or new offerings for a more efficient utilization of their capacity.

Artificial Intelligence 79

Artificial Intelligence Social Media Logistics AWS 79

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.

Hardware 40

Hardware Latency Virtualization Cloud 40

Scalegrid

JANUARY 12, 2024

Various forms can take shape when discussing workloads within the realm of cloud computing environments – examples include order management databases, collaboration tools, videoconferencing systems, virtual desktops, and disaster recovery mechanisms. This applies to both virtual machines and container-based deployments.

Cloud 130

Cloud Virtualization Storage Efficiency 130

Dynatrace

SEPTEMBER 23, 2021

Unfortunately, container security is much more difficult to achieve than security for more traditional compute platforms, such as virtual machines or bare metal hosts. To function effectively, containers need to be able to communicate with each other and with network services. Network scanners. Let’s look at each type.

Open Source 249

Open Source Benchmarking Best Practices Network 249

Scalegrid

JULY 8, 2019

Azure Virtual Networks. The best way to protect your database from the internet is by deploying it in a private subnet to ensure it is not exposed. Azure makes this easy to setup through the use of a Virtual Network (VNET) which can be configured for your MySQL servers.

Azure 219

Azure Cloud Virtualization Database 219

IO River

NOVEMBER 2, 2023

This is where a well-architected Content Delivery Network (CDN) shines. Â The goal is to boost the pitfalls of network disruptions and vendor dependencies, all while pocketing cost savings. Fundamentally, internet traffic can be broadly categorized into static and dynamic content.Â

Architecture 52

Architecture Performance Internet Internet 52

IO River

NOVEMBER 2, 2023

This is where a well-architected Content Delivery Network (CDN) shines. The goal is to boost the pitfalls of network disruptions and vendor dependencies, all while pocketing cost savings. Fundamentally, internet traffic can be broadly categorized into static and dynamic content.

Architecture 52

Architecture Performance Internet Internet 52

SQL Server According to Bob

JULY 13, 2016

Don’t worry about taking screenshots or speed reading. So the initial time to run this all depends on your network speed. In addition, the Download Media option includes a link to create a virtual machine in Azure for SQL Server 2016. I’ll show you how to get this information later. One other important note.

Servers 40

Servers Media Engineering Virtualization 40

All Things Distributed

OCTOBER 2, 2017

The cloud-hosted version would need to be: Scalable – The service would need to support hundreds of thousands, or even millions of AWS customers, each supporting their own internet-scale applications. Today, DynamoDB powers the next wave of high-performance, internet-scale applications that would overburden traditional relational databases.

Internet 128

Internet Internet AWS Performance 128

Testsigma

FEBRUARY 3, 2021

Mobiles have different models, screen resolutions, operating systems, network types, hardware configurations, etc. Parameters that are measured during performance testing ( for mobile ) include – speed, memory consumption, battery life, data transfer, etc. Can we have a single day in our life without a mobile phone today?

Mobile 82

Mobile Testing Hardware C++ 82

Testsigma

JANUARY 6, 2022

Today, when people are working from home, they are using personal or company-provided laptops to connect to the office network. Mostly we are using a virtual desktop to stay connected to the organization’s network. Any technical glitch such as a network bandwidth issue can impact the output of the whole organization.

Testing 52

Testing Internet Internet Testing Tools 52

Tech News Gather

DECEMBER 27, 2022

This is a convenient option for students who do not have access to the internet or encounter network problems. It’s suitable with java virtual machine and JavaScript that offers a range of support java communication, speed, code and quality. Therefore, you can also provide an offline learning mode in the education app.

Education 52

Education Social Media Development Media 52

Dotcom-Montior

JUNE 30, 2021

In this current age of the Internet, it’s a common practice to build a website to run your online business. With the networks all around the world, theoretically, you can do business boundlessly. However, like each country has its boundary, the world of Internet is not a world without any control.

Website 52

Website Monitoring Website Performance Performance 52

Enprowess

JANUARY 11, 2022

Thus, the entire website development methodology benefits from the boosted speed and saves times by using these top front end frameworks. This can provide near native functionality and user experience while being able to function without an active internet connection. What front end frameworks are currently trending?

Virtualization 64

Virtualization Website Speed Mobile 64

Testsigma

FEBRUARY 5, 2021

The high tech lab is remotely operational and specifically targets device behaviour in terms of speed, memory usage, and battery consumption. These devices ran on a diverse range of OS versions, screen resolutions, and network types. Internet and Power Supply. Key Considerations. Compatibility. billion devices.

Mobile 52

Mobile Testing Hardware DevOps 52

Dotcom-Montior

JULY 7, 2020

In this current age of the Internet, it’s a common practice to build a website to run your online business. With the networks all around the world, theoretically, you can do business boundlessly. However, like each country has its boundary, the world of Internet is not a world without any control.

Website 52

Website Monitoring Website Performance Performance 52

Dotcom-Montior

JUNE 30, 2020

In this current age of the Internet, it’s a common practice to build a website to run your online business. With the networks all around the world, theoretically, you can do business boundlessly. However, like each country has its boundary, the world of Internet is not a world without any control.

Website 52

Website Monitoring Website Performance Performance 52

Smashing Magazine

FEBRUARY 2, 2022

This problem is more apparent on unreliable and slow networks and lower-end devices. How quickly the file is downloaded depends on the connection speed and the size of the file itself. Notice the difference in loading times between mobile and cable networks. Estimated load times for a makeshift JavaScript application.

Code 89

Code Performance Network Website 89

Smashing Magazine

OCTOBER 6, 2021

Note : Another timely note here is that Internet Explorer will reach end of life officially on June 15, 2022 ). URL bar and virtual keyboard), and will not change its value even as the browser chrome changes. It can be found in many, many projects and is quite an opinionated reset. Large viewport-percentage units (lvh, lvb, lvw, lvi).

Design 145

Design Availability Mobile Website 145

Testsigma

NOVEMBER 16, 2021

Considering this requirement and the website load, enterprises generally set up multiple servers and machines that can talk to each other through a network. Internet presence today is more than necessary (if there is any such thing) in post covid times. Stable online presence. The first one is Microsoft. A platform.

Testing 52

Testing Website Small Business Internet 52

Brendan Gregg

SEPTEMBER 5, 2017

I've suggested adding a command to docker to make listing at least the top-level PIDs in containers easier. ## Virtual Machines The two main technologies on Linux are Xen and KVM (and there's Bhyve for BSD). At my employer we sometimes use SR-IOV for direct network interface access, and NVMe for direct disk access. x series.

Virtualization 76

Virtualization AWS Engineering Hardware 76

O'Reilly

NOVEMBER 28, 2023

AI isn’t yet at the point where it can write as well as an experienced human, but if your company needs catalog descriptions for hundreds of items, speed may be more important than brilliant prose. The same thing happened to networking 20 or 25 years ago: wiring an office or a house for ethernet used to be a big deal.

Open Source 108

Open Source Artificial Intelligence Google Infrastructure 108

The Symphonia

DECEMBER 6, 2017

Correspondingly, 3GB functions should see a 2x CPU performance improvement over 1.5GB Lambdas, but this is through doubling the number of cores the function has access to, rather than double the virtualized time-slices. That means that 3GB functions might not see a linear speed bump for primarily single threaded functions.

Serverless 40

Serverless Lambda AWS Traffic 40

Smashing Magazine

JANUARY 11, 2021

Networking, HTTP/2, HTTP/3 OCSP stapling, EV/DV certificates, packaging, IPv6, QUIC, HTTP/3. You need a business stakeholder buy-in, and to get it, you need to establish a case study, or a proof of concept using the Performance API on how speed benefits metrics and Key Performance Indicators ( KPIs ) they care about. Large preview ).

Performance 145

Performance Cache Media Metrics 145