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 357

Traffic Latency Metrics Cache 357

DZone

DECEMBER 28, 2020

The system could work efficiently with a specific number of concurrent users; however, it may get dysfunctional with extra loads during peak traffic. Performances testing helps establish the scalability, stability, and speed of the software application. Confirming scalability, dependability, stability, and speed of the app is crucial.

Performance Testing 230

Performance Testing Testing Tools Testing Performance 230

Dynatrace

AUGUST 8, 2024

They may stem from software bugs, cyberattacks, surges in demand, issues with backup processes, network problems, or human errors. These issues can arise from errors in the code, insufficient testing, or unforeseen interactions among software components. Let’s explore each of these elements and what organizations can do to avoid them.

Software 290

Software Software Infrastructure Network 290

Dynatrace

MAY 21, 2021

This becomes even more challenging when the application receives heavy traffic, because a single microservice might become overwhelmed if it receives too many requests too quickly. A service mesh enables DevOps teams to manage their networking and security policies through code. Why do you need a service mesh?

Traffic 279

Traffic DevOps Infrastructure Network 279

Dynatrace

APRIL 16, 2020

With most employees now working from home, and the demand on e-commerce platforms hits an all-time high, applications and infrastructure are under intense pressure with new usage patterns that have never been planned for or tested against. Government agencies coping with COVID-19.

Traffic 280

Traffic Government Database Network 280

Scalegrid

AUGUST 22, 2019

For test purposes, DCS can be installed on same nodes running PostgreSQL. High Availability Test Scenarios. We conducted a few tests on PostgreSQL HA management using Patroni. All of these tests were performed while the application was running and inserting data to the PostgreSQL database. Standby Server Tests.

Availability 277

Availability Servers Network Testing 277

Dynatrace

SEPTEMBER 29, 2021

The time and effort saved with testing and deployment are a game-changer for DevOps. This opens the door to auto-scalable applications, which effortlessly matches the demands of rapidly growing and varying user traffic. Containers can be replicated or deleted on the fly to meet varying end-user traffic. Networking.

Open Source 334

Open Source Traffic DevOps Cloud 334

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 261

Traffic Metrics Infrastructure Architecture 261

Dynatrace

SEPTEMBER 28, 2021

Two important ways to improve this metric are to implement quality assurance testing throughout multiple development environments and to automate testing and DevOps processes. A change failure rate above 40% can indicate poor testing procedures, which means teams will need to make more changes than necessary, eroding efficiency.

DevOps 246

DevOps Metrics Traffic Efficiency 246

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. When we wanted to add a location, we had to ship hardware and get someone to install that hardware in a rack with power and network. Sound easy? Try doing that in India.

Cloud 203

Cloud Hardware Testing Logistics 203

Dynatrace

JUNE 10, 2024

Finally, just 50% are confident their applications have been tested for vulnerabilities before going into production. They can also develop proactive security measures capable of stopping threats before they breach network defenses. But, observability doesn’t stop at simply discovering data across your network.

Analytics 264

Analytics Network Open Source Hardware 264

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 280

Open Source Network Infrastructure Big Data 280

The Netflix TechBlog

AUGUST 10, 2020

In addition, with 193M members and counting, there is a huge diversity in the networks that stream our content as well as in our members’ bandwidth. It is, thus, imperative that we are sensible in the use of the network and of the bandwidth we require. Yet, given its wide support, our H.264/AVC

Innovation 242

Innovation Traffic Network Efficiency 242

Dynatrace

JUNE 27, 2022

These development and testing practices ensure the performance of critical applications and resources to deliver loyalty-building user experiences. RUM, however, has some limitations, including the following: RUM requires traffic to be useful. For example, in e-commerce, you can validate and test checking out a shopping cart.

Best Practices 244

Best Practices Monitoring Wireless Traffic 244

Dynatrace

JUNE 1, 2023

Traffic This SLO measures the amount of traffic or workload an application receives, either in terms of requests per second or data transfer rate. The traffic SLO targets the website’s ability to handle a high volume of transactional activity during periods of high demand. The Apdex score of 0.85

Latency 245

Latency Website Traffic DevOps 245

Scalegrid

SEPTEMBER 5, 2024

In our three-part series of posts on HA for PostgreSQL, we’ll share an overview, the prerequisites, and the working and test results for each tool. Tailor the configurations within this file to align with your particular network setups and needs. Standby Server Tests Sl. Master/Primary Server Tests Sl.

Availability 257

Availability Servers Database Open Source 257

The Netflix TechBlog

SEPTEMBER 8, 2020

Migration Testing Infrastructure Our monolith had been around for many years and hadn’t been created with functional and unit testing in mind, so those were independently bolted on by each UI team. For the migration, testing was a first-class citizen. Replay Testing Enter replay testing.

Latency 241

Latency Cache Java Traffic 241

The Netflix TechBlog

NOVEMBER 3, 2022

With traffic growth, a single leader node handling all request volume started becoming overloaded. Collapse multiple keep-alive requests in Titus Job Coordinator, sending a response to the latest one which has the arrival timestamp less than that of the timestamp of the last event sent over the network.

Cache 233

Cache Latency Traffic Systems 233

DZone

FEBRUARY 26, 2021

But usually, it is seen that most of the applications fail to deliver expected performance under peak load or fluctuating network conditions. To ensure that users get high-performing software that works seamlessly under all load conditions, performance testing is necessary. Today, let's learn more about this testing type in depth.

Performance Testing 127

Performance Testing Testing Performance Latency 127

The Netflix TechBlog

AUGUST 30, 2021

By Benson Ma , Alok Ahuja Introduction At Netflix, hundreds of different device types, from streaming sticks to smart TVs, are tested every day through automation to ensure that new software releases continue to deliver the quality of the Netflix experience that our customers enjoy. In this blog post, we will focus on the latter feature set.

Latency 222

Latency Traffic Transportation Cloud 222

Dynatrace

FEBRUARY 10, 2022

Static Application Security Testing (SAST) solutions are a traditional way of addressing this. WAFs protect the network perimeter and monitor, filter, or block HTTP traffic. Compared to intrusion detection systems (IDS/IPS), WAFs are focused on the application traffic. Unfortunately, they also introduce risk.

Traffic 246

Traffic Benchmarking Innovation Java 246

Scalegrid

APRIL 16, 2020

Each of these models is suitable for production deployments and high traffic applications, and are available for all of our supported databases, including MySQL , PostgreSQL , Redis™ and MongoDB® database ( Greenplum® database coming soon). This can result in significant cost savings for high traffic applications. Security Groups.

Cloud 242

Cloud Azure AWS Database 242

The Netflix TechBlog

NOVEMBER 29, 2023

A vital aspect of such development is subjective testing with HDR encodes in order to generate training data. The pandemic, however, posed unique challenges in conducting a conventional in-lab subjective test with HDR encodes. 1) depicts the migration of traffic from fixed bitrates to DO encodes. The graphic below (Fig.

Open Source 260

Open Source Software Engineering Internet Internet 260

Dynatrace

APRIL 26, 2022

With DEM solutions, organizations can operate over on-premise network infrastructure or private or public cloud SaaS or IaaS offerings. STM generates traffic that replicates the typical path or behavior of a user on a network to measure performance for example, response times, availability, packet loss, latency, jitter, and other variables).

Monitoring 246

Monitoring Social Media IoT Metrics 246

Dynatrace

SEPTEMBER 30, 2021

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. In case of a spike in traffic, you can automatically spin up more resources, often in a matter of seconds. Improved performance and availability.

Cloud 241

Cloud Traffic Best Practices Strategy 241

The Netflix TechBlog

OCTOBER 19, 2020

Reconstructing a streaming session was a tedious and time consuming process that involved tracing all interactions (requests) between the Netflix app, our Content Delivery Network (CDN), and backend microservices. The process started with manual pull of member account information that was part of the session.

Infrastructure 238

Infrastructure Transportation Storage Open Source 238

Dynatrace

AUGUST 3, 2022

Typically, organizations might experience abnormal scanning activity or an unexpected traffic influx that is coming from one specific client. half of all corporate networks. The Spring framework is popular because it enables software engineers to more easily write and test code to maintain modular applications.

Java 261

Java Traffic Benchmarking Strategy 261

Dynatrace

MARCH 25, 2020

Both types of users mentioned access the same system, the only difference is that employees access it via the internal network and externals through a public exposed URL. Thomas has set up Dynatrace Real User Monitoring in a way for it to monitor internal and external traffic separately. If you have any questions – just let me know.

DevOps 228

DevOps Traffic Monitoring Engineering 228

Dynatrace

MAY 8, 2023

DevOps aims to move applications more quickly into production by releasing new builds frequently — often several times per day — and incorporating constant feedback and testing, both during development and after software is deployed. But when and how does DevOps monitoring fit into the process?

DevOps 246

DevOps Efficiency Monitoring Infrastructure 246

Smashing Magazine

MARCH 2, 2021

The State Of Mobile And Why Mobile Web Testing Matters. The State Of Mobile And Why Mobile Web Testing Matters. These days, with mobile traffic accounting for over 50% of web traffic , it’s fair to assume that the very first encounter of your prospect customers with your brand will happen on a mobile device.

Mobile 142

Mobile Testing Website Benchmarking 142

Dynatrace

NOVEMBER 20, 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+ Network measurements with per-interface and per-process resolution. Network metrics are also collected for detected processes. running on the 64-bit OS/390x platform.

Availability 43

Availability Hardware Java Tuning 43

Tim Kadlec

JANUARY 12, 2021

Client-side A/B testing has been a performance loving developer’s worst friend for years. From a convenience perspective, running client-side tests is significantly easier to do than server-side testing. With server-side testing, you need developer resources to create different experiments.

Testing 137

Testing Google Traffic Servers 137

Adrian Cockcroft

JANUARY 27, 2025

They were focused on getting Netflix onto TV sets, and thought the screen was too small, the time people would spend watching was too short, and there wasnt enough mobile network bandwidth. We simply didnt have enough capacity in our datacenter to run the traffic, so it had to work. I built two more iOS apps that worked with Netflix.

C++ 88

C++ Mobile Hardware Java 88

Dynatrace

OCTOBER 9, 2019

Improved cluster resilience for high user traffic volume. Since the introduction of Adaptive load reduction with Dynatrace traffic management in version 1.156 we ensure that Dynatrace scales in high-traffic environments and that your network bandwidth is used efficiently. Other changes.

Traffic 32

Traffic Monitoring Network Efficiency 32

Dynatrace

JULY 31, 2024

By simulating user interactions and running tests from various locations worldwide, synthetic monitoring provides a comprehensive view of application performance and availability. The problem card helped them identify the affected application and actions, as well as the expected traffic during that period.

Airlines 258

Airlines Monitoring Healthcare Traffic 258

Dynatrace

JUNE 1, 2023

Traffic The traffic SLO example measures the amount of traffic or workload an application receives, either in terms of requests per second or data transfer rate. The traffic SLO targets the website’s ability to handle a high volume of transactional activity during periods of high demand. The Apdex score of 0.85

Traffic 173

Traffic Website Latency DevOps 173

Dynatrace

SEPTEMBER 12, 2019

However, for legacy services, testing and development purposes, or to reduce the time-to-start with SSO, you need to perform an advanced adjustment. No more need to disable OneAgent traffic beforehand. Backup process was improved to not utilize all available host network and CPU resources. More flexible SAML configuration.

Traffic 154

Traffic Network Programming Availability 154