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 242

Innovation Traffic Network Efficiency 242

The Netflix TechBlog

SEPTEMBER 18, 2024

In this example configuration, the ngsegment namespace is backed by both a Cassandra cluster and an EVCache caching layer, allowing for highly durable persistent storage and lower-latency point reads. "persistence_configuration":[ Developers just provide their data problem rather than a database solution!

Latency 260

Latency Storage Cache Servers 260

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 becomes really important for cache solutions like Redis™. Expert Tip. Security Groups.

Cloud 242

Cloud Azure AWS Database 242

The Netflix TechBlog

OCTOBER 16, 2019

One example displaying the need for dataset propagation: at any given time Netflix runs a very large number of A/B tests. These tests span multiple services and teams, and the operators of the tests need to be able to tweak their configuration on the fly. This powers the fallback cache used by the client as detailed above.

Cache 191

Cache Architecture Metrics Java 191

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

Percona

MARCH 20, 2023

When deciding what to pick, there are many things to consider, like where the proxy needs to be, if it “just” needs to redirect the connections, or if more features need to be in, like caching and filtering, or if it needs to be integrated with some MySQL embedded automation. micro) The tests We will have very simple test cases.

Games 141

Games Latency Traffic Cache 141

Smashing Magazine

NOVEMBER 8, 2021

But then, quickly advances to contextual pricing, juggling complexity of large and frequently updated product catalog, managing continuously running multivariate tests and promotion campaigns, and serving customer-tailored dynamic recommendations. The journey, often, starts “simple” with localization. Large preview ). You need both.

Cache 139

Cache Best Practices Strategy Servers 139

Percona

JUNE 22, 2023

This includes metrics such as query execution time, the number of queries executed per second, and the utilization of query cache and adaptive hash index. query cache: Disable (query_cache_size: 0, query_cache_type:OFF) innodb_adaptive_hash_index: Check adaptive hash index usage to determine its efficiency.

Performance 136

Performance Monitoring Traffic Database 136

KeyCDN

SEPTEMBER 3, 2020

How to measure performance The Website Speed Test is the ideal tool for measuring the performance of your website. Even if a browser doesn't support WebP, our WebP caching feature will ensure that the correct image format is delivered. WebP means faster loading times and less traffic. Enable the Cache Key Host setting.

Processing 127

Processing Cache Website Servers 127

KeyCDN

FEBRUARY 4, 2021

ISPs do cache DNS however which means if your first provider goes down it will still try to query the first DNS server for a period of time before querying for the second one. You can test the DNS lookup time and TTFB with a website speed test tool. So DNS services definitely go down! Speed Speed also plays a role with DNS.

Cache 134

Cache Website Internet Internet 134

The Netflix TechBlog

MARCH 5, 2019

the order of the rows on your Netflix home page, issuing content licenses when you click play, finding the Open Connect cache closest to you with the content you requested, and many more). Can we adjust our auto-scaling policies to be more efficiency without risking our availability during traffic spikes?

Infrastructure 185

Infrastructure Cloud Scalability AWS 185

Dotcom-Montior

AUGUST 5, 2020

As an ad publisher, your revenue depends on two main factors: traffic to your site and ad optimization. A lot of the focus goes into the practice and processes of driving traffic to your site from an SEO perspective, but what if when visitors get to your site, they have a less than ideal experience? Optimize Your Pages.

Website 92

Website Speed Cache Traffic 92

Scalegrid

JANUARY 25, 2024

Effective management of memory stores with policies like LRU/LFU proactive monitoring of the replication process and advanced metrics such as cache hit ratio and persistence indicators are crucial for ensuring data integrity and optimizing Redis’s performance. Cache Hit Ratio The cache hit ratio represents the efficiency of cache usage.

Metrics 130

Metrics Monitoring Latency Cache 130

KeyCDN

NOVEMBER 4, 2021

Traffic from this POP will be billed towards Latin America according to our pricing. The metropolitan area of Mexico City with over 21 Million people makes it the 5th largest city in the world. Requests from Mexico were previously routed to the US, which is no longer needed.

Latency 111

Latency Tuning Cache Traffic 111

Percona

MAY 15, 2023

One example could be using an RDBMS for most of the Online transaction processing ( OLTP) data shared by country and having the products as distributed memory cache with a different technology. It will also allow us to redirect read/write traffic to the primary and read-only traffic to all secondaries.

Traffic 144

Traffic Scalability Database Servers 144

Dynatrace

SEPTEMBER 17, 2019

REDIS for caching. Thanks to PurePath, architects can validate how transactions flow from service-to-service and how traffic gets routed through service mashes (AWS App Mesh, Istio, Linkerd) or proxies. Their technology stack looks like this: Spring Boot-based Microservices. NGINX as an API Gateway. 3 Log Analytics.

AWS 170

AWS Monitoring Ecommerce Lambda 170

Smashing Magazine

MARCH 6, 2025

How To Measure LCP Subparts One way to measure how much each component contributes to the LCP score on your website is to use DebugBears website speed test. So, to improve the TTFB, we need to speed up that process or cache the HTML so we can skip the HTML generation entirely.

Website 59

Website Google Speed Metrics 59

CSS - Tricks

APRIL 28, 2022

While CloudFront’s edge caching does offer benefits, serving your app’s resources from these multiple locations is not without a cost of its own. We’ll be changing DNS records and, depending on your web app, you may have to add some cache headers in order to prevent certain assets from ever being cached. Setting up our DNS.

Cache 83

Cache AWS Servers Traffic 83

Smashing Magazine

SEPTEMBER 6, 2021

This explains the challenges involved in deploying and testing HTTP/3 yourself. This approach was touted to be better for fine-grained caching because each subresource could be cached individually and the full bundle didn’t need to be redownloaded if one of them changed. This is more in-depth and technical.

Network 120

Network Servers Cache Traffic 120

Smashing Magazine

MAY 12, 2022

The origin value is an aggregate of the values of all the pages for that origin, computed as a weighted average based on page traffic. This means that an origin that has relatively little traffic, but sufficient to be included in the dataset, is counted equally to a very popular, high-traffic origin. Checking Top Sites.

Google 136

Google Performance Website Mobile 136

Dotcom-Montior

JUNE 25, 2020

This project implements multiple techniques and tactics to censor China’s internet and controls the internet gateways to analyze, filter, and manipulate the internet traffic between inside and outside of China. If the DNS caches are manipulated to contain wrong IP addresses, it’s called DNS poisoning. Blocking IP Access.

Website 97

Website Internet Internet Performance 97

Dotcom-Montior

JUNE 25, 2020

Even more surprisingly, websites that are marked as spam on email portals lose 95 percent of their traffic. Hence, this could cost a lot of business, due to the dwindling site traffic. Not only does this prevent the site from growing, but it also tends to bring down the existing site traffic. Getting Delisted from the DNSBL.

Monitoring 86

Monitoring Traffic Website Database 86

Smashing Magazine

JUNE 8, 2021

Image optimization , loading behavior and rendering in the browser require understanding of image formats and image compression techniques, image decoding and browser rendering, image CDNs and adaptive media loading, not to mention effective caching and preloading. Optimizing Network Requests with Caching and Preloading. +.

Media 124

Media Cache Google Best Practices 124

Smashing Magazine

JUNE 1, 2022

You’ve tested and retested the site for errors. They can also highlight very long redirection chains in your third-party traffic. Testing The Impact Of Specific Requests. The best way to approach the problem is through applied testing. You’ve agonized over design patterns and usability. Large preview ).

Website 138

Website Design Network Testing 138

Percona

JUNE 22, 2023

Load balancing : Traffic is distributed across multiple servers to prevent any one component from becoming overloaded. Load balancers can detect when a component is not responding and put traffic redirection in motion. Failure detection : Monitoring mechanisms detect failures or issues that could lead to failures.

Availability 132

Availability Database Open Source Hardware 132

Dotcom-Montior

MARCH 27, 2022

This project implements multiple techniques and tactics to censor China’s internet and controls the internet gateways to analyze, filter, and manipulate the internet traffic between inside and outside of China. If the DNS caches are manipulated to contain wrong IP addresses, it’s called DNS poisoning. Blocking IP Access.

Website 82

Website Internet Internet Performance 82

The Morning Paper

SEPTEMBER 24, 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 test mobile phones run an instrumented version of Android Marshmallow, on top of a custom Linux kernel which records all file I/O. most apps).

Systems 74

Systems Traffic Network Google 74

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. Emerging architectures that shorten the path length, e.g. edge caching and computing, may also confine the latency. Let’s jump in! 5G Coverage. What about UHD video?

Energy 130

Energy Latency Performance Network 130

Smashing Magazine

JUNE 25, 2020

Today, we’ll address storing and serving files for both single-server and scalable deployments while considering factors like compression, caching, and availability. This strategy is very simple and closely resembles the development environment, but cannot handle large or inconsistent amounts of traffic effectively.

Media 77

Media Cache Storage AWS 77

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. At a minimum, Optimal recommends that you have RUM, APM, synthetic, and load test tools set up, instrumented, and producing meaningful data.

Website 74

Website Cache Traffic Ecommerce 74

Smashing Magazine

APRIL 28, 2021

Image optimization , loading behavior and rendering in the browser require understanding of image formats and image compression techniques, image decoding and browser rendering, image CDNs and adaptive media loading, not to mention effective caching and preloading. Optimizing Network Requests with Caching and Preloading. +.

Media 105

Media Cache Google Best Practices 105

Smashing Magazine

JULY 29, 2019

MB , that suggests I’ve got around 29 pages in my budget, although probably a few more than that if I’m able to stay on the same sites and leverage browser caching. There’s a trade-off to be made here, as external stylesheets can be cached but inline ones cannot (unless you get clever with JavaScript ). Let’s talk about caching.

Cache 99

Cache Mobile Google Network 99

The Netflix TechBlog

OCTOBER 18, 2019

Contextual and Multi-armed Bandits enable faster and adaptive alternatives to traditional A/B Testing. Some simulation results and some online A/B test results were shared, demonstrating substantial lifts in the primary business metrics, while keeping the secondary metrics above preset guardrails.

Infrastructure 131

Infrastructure Metrics Architecture Efficiency 131

CSS - Tricks

JULY 15, 2020

We will use continuous performance testing and Google Lighthouse to audit every change. This will highlight the importance of testing every code change. We are going to use Gatsby for our test site. We can use Vercel to host the site, giving Lighthouse a way to runs its tests. It is easier to do than you might think!

Cache 74

Cache Google Analytics Servers 74

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

Speed Curve

AUGUST 18, 2024

These include: Exciting new chart types for Core Web Vitals and User Happiness Filter RUM data by region Create a set of tests for one or multiple sites or custom URLs Test directly from your site settings when saving changes Usability improvements Better messaging for test failures And more! A whole lot more. Let us know!

Cache 52

Cache Traffic Testing Network 52

SQL Performance

NOVEMBER 18, 2019

Compute optimized – High CPU-to-memory ration, medium traffic web servers and application servers. Memory optimized – High memory-to-CPU ratio, relational database servers, medium to large caches, and in-memory analytics. I put each of these VMs to a test using CrystalDiskMark. Benchmark Test. Conclusion.

Azure 76

Azure Benchmarking Storage Virtualization 76