The Morning Paper

SEPTEMBER 24, 2019

USENIX Security Symposium 2019. There are four main parts to the story here: The testing environment that runs apps in a ‘honeypot’ and figures out which of those apps are leaking data they don’t have permission to obtain. The destination endpoint for the network traffic typically identifies the SDK responsible. most apps).

Systems 74

Systems Traffic Network Google 74

Smashing Magazine

FEBRUARY 12, 2019

Webhosting Compared: Testing The Uptime Of 32 Hosts In 2018. Webhosting Compared: Testing The Uptime Of 32 Hosts In 2018. 2019-02-12T12:00:22+01:00. 2019-04-29T18:34:58+00:00. To run this series of tests, we have signed up for all of the 32 web hosting providers as a regular user, using the cheapest plan available.

Testing 50

Testing Website Servers Availability 50

Smashing Magazine

FEBRUARY 15, 2021

When I think of network speeds, I tend to rely on WebPageTest ’s traffic profiles: Traffic profiles to keep in mind on WebPageTest : ranging from Cable and DSL to 3G Slow and 2G. For brevity, we’ll test only the Pumpkin patch video. The table below is showing the total amount of traffic used. Large preview ).

Network 143

Network Speed Website Mobile 143

The Morning Paper

OCTOBER 4, 2020

The study is based on one of the world’s first commercial 5G network deployments (launched in April 2019), a 0.5 Coverage is assessed with a walk-test (4-5km/h) over all road segments on the campus, monitoring the physical-layer information from both 5G and 4G at each location. km university campus. Let’s jump in!

Energy 130

Energy Latency Performance Network 130

The Netflix TechBlog

OCTOBER 18, 2019

theme of the ML Platform meetup hosted at Netflix, Los Gatos on Sep 12, 2019. Contextual and Multi-armed Bandits enable faster and adaptive alternatives to traditional A/B Testing. Faisal Siddiqi Infrastructure for Contextual Bandits and Reinforcement Learning?—?

Infrastructure 126

Infrastructure Metrics Architecture Efficiency 126

The Netflix TechBlog

OCTOBER 18, 2019

theme of the ML Platform meetup hosted at Netflix, Los Gatos on Sep 12, 2019. Contextual and Multi-armed Bandits enable faster and adaptive alternatives to traditional A/B Testing. Faisal Siddiqi Infrastructure for Contextual Bandits and Reinforcement Learning?—?

Infrastructure 100

Infrastructure Metrics Architecture Efficiency 100

The Netflix TechBlog

NOVEMBER 2, 2020

How viewers are able to watch their favorite show on Netflix while the infrastructure self-recovers from a system failure By Manuel Correa , Arthur Gonigberg , and Daniel West Getting stuck in traffic is one of the most frustrating experiences for drivers around the world. Logs and background requests are examples of this type of traffic.

Traffic 252

Traffic Metrics Infrastructure Architecture 252

Dynatrace

JULY 8, 2019

I’ve been speaking to customers over the last few months about our new cloud architecture for Synthetic testing locations and their confusion is clear. And the last thing you want to do with synthetic is introduce false positives (the bane of all synthetic testing) into the system, and yet this was happening too often.

Cloud 200

Cloud Hardware Testing Logistics 200

O'Reilly

NOVEMBER 12, 2019

Rather than buying racks and racks of servers that need to handle the maximum potential traffic and be idle most of the time, it seems that serverless’ method of paying by compute is proving to be beneficial to the bottom lines of organizations. Integration/testing is harder” ranked as the third biggest worry, noted by 30% of respondents.

Serverless 88

Serverless Architecture FinTech Infrastructure 88

Dynatrace

JUNE 9, 2021

Application security tests can be used to tell developers when they have introduced vulnerabilities into the application they’re building. According to the 2019 Verizon Data Breach Investigations Report, web application attacks were the number one type of attack. Why is web application security important?

Open Source 178

Open Source Entertainment Tuning Internet 178

The Netflix TechBlog

MAY 14, 2021

Prodicle Distribution Our service is required to be elastic and handle bursty traffic. In late 2019, our team started integrating it with the rest of the ecosystem by writing a thin Java Domain graph service (DGS) to wrap the asynchronous watermarking functionality that was then in Ruby on Rails. Things got hairy.

Traffic 160

Traffic Latency Java Google 160

CSS Wizardry

JULY 23, 2023

All Core Web Vitals data used to rank you is taken from actual Chrome-based traffic to your site. And lab data, from the Lighthouse test we just initiated, beneath that: Here we can clearly see that this was run from a predetermined location, on a predetermined device, over a predetermined connection speed.

Engineering 246

Engineering Google Speed Mobile 246

Rigor

SEPTEMBER 3, 2019

What you may be overlooking is that peak-event readiness is about more than just load testing or ensuring that your servers are up throughout a specific timeframe. They seem to have learned from their mistakes for Prime Day 2019.). Traffic patterns outside of normal [RUM or Analytics]. Servers down or server health issues [APM].

Website 74

Website Cache Traffic Ecommerce 74

Brendan Gregg

SEPTEMBER 25, 2021

Since instances of both CentOS and Ubuntu were running in parallel, I could collect flame graphs at the same time (same time-of-day traffic mix) and compare them side by side. There's also a test and println() in the loop to, hopefully, convince the compiler not to optimize-out an otherwise empty loop.

Speed 126

Speed Java AWS Virtualization 126

Dynatrace

APRIL 30, 2019

Most of the time is taken by quality or release engineers looking at test results, comparing them with previous builds or walking through a checklist of items that accumulated over the years in order to harden their release acceptance process. days and therefore contributing > 90% of the overall Commit Cycle Time! Pitometer is a Node.js

Architecture 125

Architecture Open Source Azure Metrics 125

All Things Distributed

DECEMBER 12, 2018

For VR, this is a journey that is already one-third complete and expected to be finished by the end of 2019. Vivino also uses Auto Scaling to deal with the large seasonal fluctuations in traffic. After the move to the AWS Cloud, the company now has a way to develop and test solutions quickly and at a low cost. Telenor Connexion.

AWS 124

AWS Cloud Games Serverless 124

The Morning Paper

JUNE 30, 2019

Today we’re jumping from HotOS topics of 2019, to hot topics of 1977! It seems that under test load, it would behave beautifully until the performance just fell to the floor. The high-traffic, lock-protected resources in System R are the buffer pool, recovery log, and system entry/exit. The convoy phenomenon Blasgen et al.,

Traffic 75

Traffic Latency Programming Scalability 75

SQL Server According to Bob

DECEMBER 18, 2018

Testing shows that by using the Fua bit with the data, write request can reduce the I/O traffic by ~50% for a SQL Server, write-intensive workload. During my investigation, I traced, tested, reviewed, and instrumented the Linux kernel to understand the SQL Server I/O durability needs and associated impacts. 4 Socket, TPCC.

Servers 90

Servers Media Cache Storage 90

The Morning Paper

JULY 4, 2019

The ‘controlled’ part is important here because given the scale and complexity of the environment under test, the only meaningful place to do this is in production with real users. a bug fix, configuration change, new feature, or A/B test). Automating chaos experiments in production Basiri et al., Defining and running experiments.

Latency 77

Latency Engineering Metrics Traffic 77

Percona

JULY 7, 2023

StackOverflow statistics show that 26% of developers preferred it in 2017, 34% in 2019, and 40% in 2021. Such a proxy acts as the traffic cop between the applications and the database servers. Regularly schedule backups and test the restore process to ensure data integrity. Test the setup. Here are a couple options.

Availability 83

Availability Open Source Architecture Database 83

Brendan Gregg

SEPTEMBER 25, 2021

Since instances of both CentOS and Ubuntu were running in parallel, I could collect flame graphs at the same time (same time-of-day traffic mix) and compare them side by side. There's also a test and println() in the loop to, hopefully, convince the compiler not to optimize-out an otherwise empty loop.

Speed 52

Speed Java AWS Virtualization 52

Brendan Gregg

SEPTEMBER 25, 2021

Since instances of both CentOS and Ubuntu were running in parallel, I could collect flame graphs at the same time (same time-of-day traffic mix) and compare them side by side. There's also a test and println() in the loop to, hopefully, convince the compiler not to optimize-out an otherwise empty loop.

Speed 40

Speed Java AWS Virtualization 40

Alex Russell

MARCH 6, 2021

India has been the epicentre of smartphone growth in recent years, owing to the sheer size of its market and an accelerating shift away from feature phones which made up the majority of Indian mobile devices until as late as 2019. So what did $150USD fetch in 2019? The smooth, dulcet tones of 2019's Moto E6. " package.

Performance 124

Performance Network Cache Metrics 124

Smashing Magazine

OCTOBER 15, 2018

2019-04-29T18:34:58+00:00. A website today receives a large chunk of its traffic from evergreen browsers — most of which have good support for ES6+, new JavaScript standards, new web platform APIs and CSS attributes. js', }, module: { rules: [ { test: /.jsx?$/, jsx?$/, use: "babel-loader" }, { test: /.css$/,

Code 58

Code Retail Mobile Website 58

Smashing Magazine

SEPTEMBER 26, 2019

2019-09-26T12:30:59+02:00. 2019-09-26T11:02:12+00:00. A simple test to make sure your service is appropriately independent : Remove HTML for your component/service from the Host and reload the application. From now on, we’re directing HTTP traffic to our React subfolder. Denys Mishunov.

Architecture 75

Architecture Virtualization Servers Technology 75

Dynatrace

NOVEMBER 20, 2019

Having released this functionality in an Early Adopter Release with OneAgent version 1.173 and Dynatrace version 1.174 back in August 2019, we’re now happy to announce the General Availability of OneAgent full-stack monitoring for Linux on the IBM Z platform, sometimes informally referred to as Z/Linux. Dynatrace news.

Availability 30

Availability Hardware Java Tuning 30

Smashing Magazine

JULY 29, 2019

2019-07-29T14:00:59+02:00. 2019-07-29T13:06:57+00:00. The United Kingdom is ranked 34th out of 207 countries for broadband speed, but in July 2019 there was still a school in the UK without broadband. I’ve heard good things about Pinterest’s performance, so I decided to put it to the test. Chris Ashton. MB of data.

Cache 97

Cache Google Mobile Network 97

Dynatrace

AUGUST 8, 2019

The initial release of the solution with OneAgent version 1.173 is certified and tested to work on RedHat Enterprise Linux (RHEL) distribution 6.9+ OneAgent for Z/Linux collects a number of network metrics: input and output traffic measured in bytes and packets, retransmissions, and connectivity. running on the 64-bit OS/390x platform.

Availability 25

Availability Hardware Java Tuning 25

Testsigma

DECEMBER 8, 2019

In this article, we will be talking about the technologies and techniques that are expected to become test automation trends in 2020. The highlights of the top test automation trends that we will be discussing in this article are: Integration of Automation of different processes to enable improved and enhanced end to end automation for eg.

IoT 78

IoT Software Software Artificial Intelligence 78

Smashing Magazine

JANUARY 7, 2019

Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. 2019-01-07T12:00:13+00:00. 2019-04-29T18:34:58+00:00. Testing And Monitoring. You can then mimic the 90th percentile’s experience for testing. Vitaly Friedman. Quick Wins.

Performance 104

Performance Cache Metrics Network 104

Smashing Magazine

JANUARY 21, 2021

Back in 2017 we built the entire site with Preact, but then have moved to React in 2019 — and use it along with a few APIs for search, comments, authentication and checkout. Back in 2017, the entire layout was built with Flexbox and rebuilt with CSS Grid and CSS Custom Properties in mid-2019.

Performance 145

Performance Cache Mobile Network 145

Smashing Magazine

JANUARY 11, 2021

Testing And Monitoring Auditing workflow, proxy browsers, 404 page, GDPR cookie consent prompts, performance diagnostics CSS, accessibility. You can then mimic the 90th percentile’s experience for testing. CrUX generates an overview of performance distributions over time, with traffic collected from Google Chrome users.

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 6, 2020

Testing And Monitoring. You can then mimic the 90th percentile’s experience for testing. Alternatively, you can also use Speed Scorecard (also provides a revenue impact estimator), Real User Experience Test Comparison or SiteSpeed CI (based on synthetic testing). Now you have something measurable to test against.

Performance 145

Performance Cache Network Metrics 145