The Netflix TechBlog

JUNE 13, 2023

Migrating Critical Traffic At Scale with No Downtime — Part 2 Shyam Gala , Javier Fernandez-Ivern , Anup Rokkam Pratap , Devang Shah Picture yourself enthralled by the latest episode of your beloved Netflix series, delighting in an uninterrupted, high-definition streaming experience. This is where large-scale system migrations come into play.

Traffic 279

Traffic Metrics Systems Strategy 279

Dynatrace

SEPTEMBER 2, 2022

What’s the problem with Black Friday traffic? But that’s difficult when Black Friday traffic brings overwhelming and unpredictable peak loads to retailer websites and exposes the weakest points in a company’s infrastructure, threatening application performance and user experience. Why Black Friday traffic threatens customer experience.

Traffic 192

Traffic Strategy Retail Ecommerce 192

Dynatrace

APRIL 22, 2020

While most government agencies and commercial enterprises have digital services in place, the current volume of usage — including traffic to critical employment, health and retail/eCommerce services — has reached levels that many organizations have never seen before or tested against. There are proven strategies for handling this.

Traffic 206

Traffic Ecommerce Retail Government 206

Dynatrace

SEPTEMBER 30, 2021

A cloud migration strategy, however, provides technical optimization that’s also firmly rooted in the business value chain. With cloud-based resources, teams can spin up infrastructure in seconds, begin testing immediately, scale up or down as needed, and easily eliminate resources that are no longer needed. Read eBook now!

Cloud 165

Cloud Traffic Best Practices Strategy 165

Dynatrace

APRIL 21, 2023

If any problems made it past the testing or production environments, the team faced citizens potentially calling the governor’s office and newspapers to complain. Government IT finds higher work satisfaction in legacy modernization While these strategies benefit citizens, Zbojniewicz and Smith also improved IT staff satisfaction.

Government 204

Government Strategy Cloud Traffic 204

Dynatrace

JANUARY 23, 2023

These include improving API traffic management and caching mechanisms to reduce server and network load, optimizing database queries, and adding additional compute resources, just to name some. While some of these are already done, such as adding additional compute, others require more development and testing.

Social Media 130

Social Media Cache Traffic Media 130

Abhishek Tiwari

JULY 8, 2023

Traditional testing and monitoring practices have long been relied upon to achieve this goal. However, the line between testing and monitoring is becoming increasingly blurred with the emergence of synthetic monitoring. The term "synthetic" is used because it does not rely on traffic generated by real clients and end-users.

Monitoring 52

Monitoring Testing Artificial Intelligence Traffic 52

Dotcom-Montior

NOVEMBER 27, 2018

You’ve likely uttered the phrases “test early and often” and “shift left,” but do you always remind yourself of the importance of that phrase from the end user’s perspective? LoadView, our on-demand, cloud-based load and stress testing platform , takes an outside-in approach to performance testing.

Performance Testing 40

Performance Testing Strategy Testing Performance 40

Dynatrace

AUGUST 3, 2022

To ensure the safety of their customers, employees, and business data, organizations must have a strategy to protect against zero-day vulnerabilities. Typically, organizations might experience abnormal scanning activity or an unexpected traffic influx that is coming from one specific client. What is a zero-day vulnerability?

Java 187

Java Traffic Benchmarking Strategy 187

Testsigma

JANUARY 29, 2021

That’s not all, the global mobile traffic is expected to increase sevenfold between 2017 and 2022. Mobile-first design should be accompanied with mobile website testing for delivering a flawless web experience to your target audience. Why should you focus on Mobile Website Testing? Mobile-first indexing. Speed and Accuracy.

Website 98

Website Mobile Testing Strategy 98

Testsigma

MARCH 2, 2022

No matter how much you test, a few bugs can still slip through the testing phase & reach production. If you missed testing something, it’s totally fine to admit the oversight and take corrective actions. Exhaustive testing is impossible with limited time, resources and budget. Don’t Panic. Or during code review?

Education 105

Education Traffic Strategy Testing 105

The Netflix TechBlog

OCTOBER 7, 2021

At Netflix, we have significant investments in ensuring new versions of our applications are well tested. However, Netflix is available for streaming on thousands of types of devices and it is powered by hundreds of micro-services which are deployed independently, making it extremely challenging to comprehensively test internally.

Metrics 197

Metrics Mobile Testing Strategy 197

The Netflix TechBlog

AUGUST 10, 2020

264/AVC Main profile family still represents a substantial portion of the members viewing hours and an even larger portion of the traffic. These figures were estimated on 200 full-length titles from our catalog and have been validated through extensive A/B testing. Yet, given its wide support, our H.264/AVC

Innovation 239

Innovation Traffic Network Efficiency 239

Dynatrace

OCTOBER 28, 2022

BT has modernized with AIOps at the center of its digital transformation strategy. For BT, AIOps and digital transformation are at the center of the company’s upcoming three-to-five-year digital transformation strategy. No matter how much you test, you always get challenges. BT has 30 million consumer customers, 1.2

Cloud 201

Cloud Strategy Technology Technology 201

The Netflix TechBlog

SEPTEMBER 8, 2020

Over the course of this post, we will talk about our approach to this migration, the strategies that we employed, and the tools we built to support this. For the migration, testing was a first-class citizen. Replay Testing Enter replay testing.

Latency 233

Latency Cache Java Traffic 233

Testsigma

MARCH 23, 2021

And, precisely due to this diversity, the need for testing on many devices is paramount. With the ever-increasing and evolving sector of Android users, Android device testing is of the essence. . Why Is Android Device Testing Important? That’s the point that calls for comprehensive testing when it comes to Android development.

Testing 52

Testing Mobile Testing Tools Strategy 52

The Netflix TechBlog

OCTOBER 19, 2020

We took a hybrid head-based sampling approach that allows for recording 100% of traces for a specific and configurable set of requests, while continuing to randomly sample traffic per the policy set at ingestion point. This implies that the cost of storing traces grows linearly to the amount of data being stored. What’s next?

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

Scalegrid

JANUARY 8, 2024

Despite the potential challenges associated with scaling AI in cloud computing, strategies such as: Obtaining leadership endorsement Establishing ROI indicators Utilizing responsible AI algorithms Addressing data ownership issues can be employed to ensure successful integration.

Artificial Intelligence 147

Artificial Intelligence Cloud Scalability Analytics 147

Scalegrid

APRIL 16, 2020

In this post, we compare ScaleGrid’s Bring Your Own Cloud (BYOC) plan vs. the standard Dedicated Hosting model to help you determine the best strategy for your MySQL, PostgreSQL, Redis™ and MongoDB® database deployment. This can result in significant cost savings for high traffic applications. Expert Tip. Security Groups.

Cloud 242

Cloud Azure AWS Database 242

KeyCDN

NOVEMBER 4, 2021

The POP is strategially located within the country and lowers latency overall. Traffic from this POP will be billed towards Latin America according to our pricing. Hola Mexico! We've launched our new point of presence (POP) in Mexico City. Requests from Mexico were previously routed to the US, which is no longer needed.

Latency 111

Latency Tuning Cache Traffic 111

Smashing Magazine

NOVEMBER 8, 2021

At the limit, statically generated, edge delivered, and HTML-first pages look like the optimal strategy. From connecting back-office operations to front-of-the-house A/B testing and dynamic personalization for each customer, the shared foundation is fast server-side rendering powered by fast storefront data access.

Cache 136

Cache Best Practices Strategy Servers 136

Testsigma

JANUARY 30, 2021

About two decades ago, testing was only limited to the desktop. With the rapidly increasing use of smartphones and ease of access to the internet across the globe, testing has spread across vast platforms. The native and mobile web browser testing is being performed more and more compared to desktop testing.

Mobile 52

Mobile Testing Website Internet 52

Dynatrace

MAY 15, 2019

Revised cleanup strategy for Elasticsearch snapshots. To address this storage issue for older snapshots, we’ve adapted our cleanup strategy so that monthly snapshots are now removed automatically after 6 months. Synthetic tests in CMC endpoint configuration didn’t work when no port was set. Also in this release.

Storage 103

Storage Metrics Strategy Java 103

IO River

NOVEMBER 2, 2023

It is particularly beneficial during high-traffic periods or when serving content to a large audience.All of these benefits apply to modern applications that process user thumbnails. This increased server load can strain server resources, especially during high-traffic periods. For example, consider tools like ChatGPT.

Cache 52

Cache Social Media Website Performance Website 52

The Netflix TechBlog

JUNE 14, 2023

The three strategies we will discuss today are AB Testing , Replay Testing, and Sticky Canaries. To launch Phase 1 safely, we used AB Testing. To launch Phase 2 safely, we used Replay Testing and Sticky Canaries. We knew we could test the same query with the same inputs and consistently expect the same results.

Traffic 353

Traffic Latency Cache Metrics 353

Speed Curve

JANUARY 29, 2024

Time is a crucial usability factor If you don't consider time a crucial usability factor, you're missing a fundamental aspect of the user experience I'm embarrassed to admit that, in my previous career as a usability tester, I spent years testing websites in lab conditions. It never crossed my mind to take rendering time into consideration.

Speed 133

Speed Website Mobile Cloud 133

The Netflix TechBlog

JUNE 4, 2019

CFS is widely used and therefore well tested and Linux machines around the world run with reasonable performance. Implementation We decided to implement the strategy through Linux cgroups since they are fully supported by CFS, by modifying each container’s cpuset cgroup based on the desired mapping of containers to hyper-threads.

Cache 251

Cache Latency Airlines Logistics 251

Alex Russell

JUNE 22, 2022

Defenders of Apple's monopoly offer hard-to-test claims, but many boil down to the idea that Apple's product is inferior by necessity. However, developers are loathe to do this; turning away users isn't a winning growth strategy, and prompting visitors to switch is passé. Or so the theory goes. But is it predestined?

Engineering 110

Engineering Traffic Government Google 110

IO River

NOVEMBER 2, 2023

It is particularly beneficial during high-traffic periods or when serving content to a large audience.All of these benefits apply to modern applications that process user thumbnails. This increased server load can strain server resources, especially during high-traffic periods. For example, consider tools like ChatGPT.

Cache 52

Cache Social Media Website Performance Website 52

Dynatrace

OCTOBER 16, 2023

Synthetic testing simulates real-user behaviors within an application or service to pinpoint potential problems. Here’s a look at why this testing matters, how it works, and what companies need to get the most from this approach. What is synthetic testing? RUM, meanwhile, requires actual users.

Testing 208

Testing Best Practices Testing Tools Monitoring 208

Rigor

SEPTEMBER 17, 2019

He goes into detail covering the steps that need to be taken to ensure that a website or application is prepared for an influx of traffic, from scoping and testing to setting expectations and creating a contingency plan. Performance testing. Rich Howard on… Peak-load readiness. Practical planning. Stakeholder involvement.

Performance 68

Performance Traffic Website Performance Testing 68

Scalegrid

JANUARY 25, 2024

Understanding Redis Performance Indicators Redis is designed to handle high traffic and low latency with its in-memory data store and efficient data structures. Monitoring these rates regularly enables proactive management strategies that ensure optimal performance while also regulating the use of system resources.

Metrics 130

Metrics Monitoring Latency Cache 130

The Morning Paper

OCTOBER 4, 2020

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. Here the first finding was that the current strategy for determining when to hand-off has a 25% probability of worsening your link performance after handover. 5G Coverage.

Energy 130

Energy Latency Performance Network 130

Rigor

DECEMBER 19, 2019

The measured traffic is not of your actual users; it is synthetically generated to collect data on page performance. Test at Every Stage of Development. Synthetic monitoring can be used to test websites and web applications in pre-production, while real user monitoring can only be used in production. Synthetic Monitoring.

Monitoring 40

Monitoring Benchmarking Website Traffic 40

Testsigma

MAY 21, 2021

Protractor is an end-to-end test framework made for angular and angularJS applications. It uses angular-specific locator strategies to make it easier to automate the end-to-end test cases on these applications. Nonetheless, Protractor is not able to leverage such technology without forcing users to rewrite their tests.

Open Source 52

Open Source Mobile Google Infrastructure 52

KeyCDN

SEPTEMBER 20, 2018

Let’s take a look at some of the best error monitoring tools and strategies for 2018. That being said, here are some of the best tools for tracking web application errors in 2018 Automated Testing 1. Manual Testing 5. A comprehensive bug testing strategy should incorporate them all: 1. What is Error Tracking?

Strategy 67

Strategy Monitoring Website Google 67

IO River

NOVEMBER 2, 2023

implement a M-CDN, organizations can use traffic management tools or Multi-CDN switching solutions that distribute and route content across the various CDN providers. Network RedundancyThe primary and most important advantage of a Multi-CDN strategy is redundancy, and, consequently, improved reliability.

Best Practices 52

Best Practices Strategy Traffic Virtualization 52