O'Reilly

APRIL 30, 2024

These algorithms save everyone time and money: by helping users navigate through thousands of products to find the ones with the highest quality and the lowest price, and by expanding the market reach of suppliers through Amazon’s delivery infrastructure and immense customer network.

Social Media 88

Social Media Artificial Intelligence Innovation Logistics 88

Dynatrace

OCTOBER 4, 2023

Modern observability Observability is the ability to measure a system’s current state based on the data it generates, such as logs, metrics, and traces. A multi-layered approach applies security testing in all stages of development and across devices, applications, networks, and infrastructure.

Artificial Intelligence 173

Artificial Intelligence Innovation Strategy Efficiency 173

Dynatrace

AUGUST 9, 2023

In this blog post, we’ll use Dynatrace Security Analytics to go threat hunting, bringing together logs, traces, metrics, and, crucially, threat alerts. Attack tactics describe why an attacker performs an action, for example, to get that first foothold into your network. Scanned our internal network with  nmap.

Analytics 201

Analytics AWS Strategy Infrastructure 201

Scalegrid

APRIL 16, 2020

A vast majority of the features are the same, outside of these advanced features available through the BYOC model: Virtual Private Clouds / Virtual Networks. Amazon Virtual Private Clouds (VPC) and Azure Virtual Networks (VNET) are private, isolated sections of the cloud infrastructure where you can launch resources. Security Groups.

Cloud 242

Cloud Azure AWS Database 242

The Netflix TechBlog

AUGUST 30, 2021

When a new hardware device is connected, the Local Registry detects and collects a set of information about it, such as networking information and ESN. Fault Tolerance If the underlying KafkaConsumer crashes due to ephemeral system or network events, it should be automatically restarted.

Latency 213

Latency Traffic Transportation Hardware 213

Dynatrace

AUGUST 13, 2020

So, I figured it’s about time I summarized the top reasons why you as an ITOps person need to look beyond your typical IT sources – logs, metrics and traces – which are these days known as Observability data. How reliable do IT systems work via the home internet connection? Reason #1: Measure what matters from the right point of view.

Monitoring 235

Monitoring Airlines Analytics Strategy 235

CSS Wizardry

AUGUST 7, 2019

However, one metric I feel that front-end developers overlook all too quickly is Time to First Byte (TTFB). The reason is because mobile networks are, as a rule, high latency connections. This is why serving your content from a CDN is so important: even in the internet age, being geographically closer to your customers is advantageous.

Latency 269

Latency Ecommerce Servers Mobile 269

The Netflix TechBlog

SEPTEMBER 18, 2020

They are continuously innovating compression algorithms to efficiently send high quality audio and video files to our customers over the internet. How does a decision of this scale affect the efficiency of our globally distributed content delivery network, Open Connect ? Do they cause less errors? benefit more?

Analytics 223

Analytics Education Innovation Engineering 223

Smashing Magazine

JANUARY 15, 2019

You may not think about it often, but the Internet uses a colossal amount of electricity. This, in turn, means that the Internet’s carbon footprint has grown to the point where it may have eclipsed global air travel , and this makes the Internet the largest coal-fired machine on Earth. These include data transfer (i.e.

Website Performance 73

Website Performance Website Energy Performance 73

Jos

JUNE 2, 2018

Also, the speed of my internet connection is humongous and I’m close to data centres located in Stockholm and London. One could argue this is a metric-driven decision. Simulate bad network conditions and slow CPUs and make your project resilient. Lots of case studies where changes in performance led to key metric improvement.

Performance 237

Performance Speed Google Media 237

Rigor

JUNE 12, 2019

When talking to an executive, she explains, you have to bear in mind that they may not understand the language of performance metrics. You need to find your 'Rosetta Stone' to translate the language of performance metrics for others in your organization. I used my expertise to educate people about metrics,” says Gringaus.

Performance 72

Performance Social Media Internet Internet 72

Testsigma

JANUARY 18, 2021

Consider a scenario where the end-users are using Internet Explorer browser to reach your website but you have not considered ‘testing on IE’ a part of your testing process! Key Metrics to consider for Cross Browser Testing. Shown below is sample test environments for Google Chrome, Mozilla Firefox, and Internet Explorer (IE).

Testing 55

Testing Operating System Website Internet 55

Rigor

JANUARY 13, 2020

These are the bestsellers in the web performance field, including the good old Speed Up Your Site (2003) by Andy King; Steve Souders’ Even Faster Web Sites (2009) ; Ilya Grigorik’s High Performance Browser Networking (2013) ; Tammy Everts’ Time is Money (2016) ; and a handful of more recent publications. Time is Money.

Performance 75

Performance Social Media Website Website Performance 75

Tim Kadlec

JUNE 24, 2014

Since it’s one of my favorite topics, I decided to share my notes: 34% of US adults use a smartphone as their primary means of internet access. Mobile networks add a tremendous amount of latency. The new devices and fast networks we use are not necessarily what our users are using. We are not our end users.

Google 49

Google Performance Latency Internet 49

Jos

JUNE 2, 2018

Also, the speed of my internet connection is humongous and I’m close to data centres located in Stockholm and London. One could argue this is a metric-driven decision. Again, it’s easy to fake performance optimization by leaving out the bad metrics, blocking users who spoil the stats. Light Work , a picture by Émile Perron.

Performance 130

Performance Speed Google Media 130

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

Dynatrace

SEPTEMBER 7, 2022

VPC Flow Logs is an Amazon service that enables IT pros to capture information about the IP traffic that traverses network interfaces in a virtual private cloud, or VPC. By default, each record captures a network internet protocol (IP), a destination, and the source of the traffic flow that occurs within your environment.

Traffic 220

Traffic AWS Network Cloud 220

ACM Sigarch

MARCH 18, 2019

Computer systems, from the Internet-of-Things devices to datacenters, are complex and optimizing them can enhance capability and save money. These models are useful for insight regarding the basic computer system performance metrics of latency and throughput (bandwidth). an instruction or network transaction).

Systems 60

Systems Latency Performance Analytics 60

Dynatrace

DECEMBER 22, 2019

AWS offers a broad set of global, cloud-based services including computing, storage, networking, Internet of Things (IoT), and many others. To reduce your CloudWatch costs and throttling, you can now select from additional services and metrics to monitor. Get up to 300 new AWS metrics out of the box. Dynatrace news.

AWS 137

AWS Metrics IoT Storage 137

Dynatrace

DECEMBER 22, 2019

AWS offers a broad set of global, cloud-based services including computing, storage, networking, Internet of Things (IoT), and many others. To reduce your CloudWatch costs and throttling, you can now select from additional services and metrics to monitor. Get up to 300 new AWS metrics out of the box. Dynatrace news.

AWS 133

AWS Metrics IoT Storage 133

Smashing Magazine

OCTOBER 31, 2023

But do you know how Lighthouse calculates performance metrics like First Contentful Paint (FCP), Total Blocking Time (TBT), and Cumulative Layout Shift (CLS)? Still, there’s nothing in there to tell us about the data Lighthouse is using to evaluate metrics. But it comes with caveats.

Speed 97

Speed Google Website Metrics 97

Smashing Magazine

DECEMBER 19, 2021

Previous metrics measured variations of the first paint to screen (often this was a header or background color); incidentally content that isn’t really what the user actually wants to get out of the page. And the “contentful” part of the name shows this metric is intended to ignore (e.g. Digging A Little Deeper Into The Metrics.

Google 143

Google Traffic Mobile Website 143

Dynatrace

APRIL 20, 2022

At Kitopi we are satisfying the worlds’ appetite by running a high-tech powered network of cloud kitchens. And not to forget – besides our orders we are also monitoring the kitchen itself such as whether a kitchen is currently open and operating or how the internet connectivity to the central servers is. So – what was missing?

Metrics 205

Metrics Mobile Internet Internet 205

Dotcom-Montior

NOVEMBER 27, 2018

Today’s applications are built on multiple technologies, relying on vast networks of third-party providers and CDN’s. Use baseline metrics to identify performance degradation by reviewing elements provided by waterfall charts. Your customers demand optimal performance, whether they’re the only user or one of a thousand.

Performance Testing 40

Performance Testing Strategy Testing Performance 40

Dynatrace

SEPTEMBER 23, 2021

To function effectively, containers need to be able to communicate with each other and with network services. If containers are run with privileged flags, or if they receive details about host processes, they can easily become points of compromise for corporate networks. Network scanners. Let’s look at each type.

Open Source 255

Open Source Benchmarking Best Practices Network 255

SQL Performance

SEPTEMBER 17, 2019

In the early days of SSRS, a requirement was to also install and configure Internet Information Services (IIS). You need to be monitoring memory/disk/CPU utilization, network I/O, tempdb usage, waits, and other counters to know what is normal for the overall workload of those systems.

Tuning 67

Tuning Servers Database Best Practices 67

Dynatrace

SEPTEMBER 29, 2021

Just as people use Xerox as shorthand for paper copies and say “Google” instead of internet search, Docker has become synonymous with containers. Networking. An orchestration platform needs to expose data about its internal states and activities in the form of logs, events, metrics, or transaction traces.

Open Source 307

Open Source Traffic DevOps Cloud 307

Rigor

SEPTEMBER 11, 2019

Developers representing hundreds of companies work together at these meetups to become masters in performance metrics and the latest trends in measuring site speed.) And, of course, you should follow him on Twitter @ igrigorik for in-depth insights on web performance metrics, user experience, and industry news. Maximiliano Firtman.

Performance 89

Performance Education Google Website 89

The Morning Paper

JUNE 18, 2019

Nines are not enough: meaningful metrics for clouds Mogul & Wilkes, HotOS’19. Control loop SLOs express the active management actions a provider will take, e.g. shedding of low-priority load will occur on over-utilised network links. The VM is reachable from the Internet? Why are SLOs so hard to define?

Metrics 79

Metrics Cloud Google Network 79

The Netflix TechBlog

APRIL 29, 2019

Open Connect Open Connect is Netflix’s content delivery network (CDN). video streaming) takes place in the Open Connect network. The network devices that underlie a large portion of the CDN are mostly managed by Python applications. If any of this interests you, check out the jobs site or find us at PyCon. are you logged in?

Open Source 279

Open Source Network Infrastructure Big Data 279

Highly Scalable

AUGUST 20, 2013

The whole point of this section is that all the algorithms above can be naturally implemented using a message passing architectural style i.e. the query execution engine can be considered as a distributed network of nodes connected by the messaging queues. For example, consider a system that counts unique visitors on some internet site.

Big Data 154

Big Data Processing Lambda Database 154

The Netflix TechBlog

SEPTEMBER 13, 2021

Historically we have been responsible for connecting, routing, and steering internet traffic from Netflix subscribers to services in the cloud. We eventually were able to add so much security leverage into Wall-E that the bulk of the “going internet-facing” checklist for Studio applications boiled down to one item: Will you use Wall-E?

Internet 220

Internet Internet Cloud Traffic 220

Smashing Magazine

APRIL 19, 2021

Google has announced that from 1st May, they will start to consider “Page Experience” as part of Search ranking , as measured by a set of metrics called Core Web Vitals. The Core Web Vitals are a set of three metrics designed to measure the “core” experience of whether a website feels fast or slow to the users, and so gives a good experience.

Google 140

Google Metrics Mobile Analytics 140

Rigor

JUNE 4, 2019

With so many different metrics available to measure dozens of different aspects of a web page, it can be a struggle to know how best to quantify that page’s overall web performance. Metrics – Thick as Pea Soup. In the early days of performance monitoring, there were far fewer metrics than we have today.

Metrics 89

Metrics Performance Media Google 89

The Netflix TechBlog

FEBRUARY 18, 2022

While a mobile device is almost always connected to the internet and reachable, a smart TV is only online while in use. This network connection heterogeneity made choosing a single delivery model difficult. We instrumented RENO with a real time stream processing application called Mantis (you can learn more about it here ).

Systems 334

Systems Traffic Architecture Mobile 334

Smashing Magazine

MAY 17, 2021

Our fast computers and fiber internet masked the experience real people have on our site. Internet Explorer 6 was fully supported, Firefox was gaining share, and Chrome was still years from launch. There are three Core Web Vitals metrics that Google will use to help rank sites in their upcoming search algorithm update.

Google 93

Google Analytics Serverless Metrics 93

Dynatrace

JUNE 29, 2022

Public cloud refers to on-demand infrastructure and services provided by a third party over the public internet. Amazon Web Services (AWS) Outpost : This offering provides pre-configured hardware and software for customers to run native AWS computing, networking, and services on-premises in a cloud-native manner.

Infrastructure 187

Infrastructure Cloud Azure AWS 187