The Netflix TechBlog

JUNE 4, 2019

Because microprocessors are so fast, computer architecture design has evolved towards adding various levels of caching between compute units and the main memory, in order to hide the latency of bringing the bits to the brains. CFS is widely used and therefore well tested and Linux machines around the world run with reasonable performance.

Cache 258

Cache Latency Airlines Logistics 258

Jos

JUNE 2, 2018

Web Performance is not only about understanding what makes a site fast. Performance is a feature and needs to be prioritized as such. Performance is a topic that has interested me for a long time. Moving over to web, the performance problems are different. This is not a post explaining why web performance is important.

Performance 237

Performance Speed Google Media 237

Alex Russell

MARCH 31, 2022

Browsers will cache tools popular among vocal, leading-edge developers. There's plenty of space for caching most popular frameworks. The best available proxy data also suggests that shared caches would have a minimal positive effect on performance. Suppose a user has only downloaded part of the cache.

Cache 89

Cache Government Traffic Network 89

Scalegrid

AUGUST 30, 2019

Depending on how it is configured, Redis can act like a database, a cache or a message broker. Session Cache: Many websites leverage Redis Strings to create a session cache to speed up their website experience by caching HTML fragments or pages. It’s important to note that Redis is a NoSQL database system. Redis Sets.

Cache 232

Cache Ecommerce Social Media Database 232

The Netflix TechBlog

SEPTEMBER 8, 2020

This allows the app to query a list of “paths” in each HTTP request, and get specially formatted JSON (jsonGraph) that we use to cache the data and hydrate the UI. Looking at our high traffic UI screens (like the homepage) allowed us to identify any regressions caused by the endpoint before we enabled it for all our users.

Latency 241

Latency Cache Java Traffic 241

The Netflix TechBlog

MARCH 10, 2023

Although this indexing strategy worked smoothly for a while, interesting challenges started coming up and we started to notice performance issues over time. We tried both, and in many cases it helps, but sometimes it is a short term fix and the performance problems come back after a while; and it did for us.

Strategy 264

Strategy Cache Storage Analytics 264

The Netflix TechBlog

SEPTEMBER 18, 2024

Firstly, developers struggled to reason about consistency, durability and performance in this complex global deployment across multiple stores. This flexibility allows our Data Platform to route different use cases to the most suitable storage system based on performance, durability, and consistency needs.

Latency 260

Latency Storage Cache Efficiency 260

Dynatrace

AUGUST 30, 2019

Digital Performance: 99% reduction in Response Time, from 18.2s Dynatrace Real User Monitoring (RUM) captures very detailed user behavior, as well as experience and performance information, about every user on your applications. Here are two I would start with: Web Performance Optimization with Dynatrace.

Cache 199

Cache Database Architecture Government 199

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. Performance results In this section, we present an overview of the performance of our new encodes compared to our existing H.264 Yet, given its wide support, our H.264/AVC

Innovation 242

Innovation Traffic Network Efficiency 242

The Netflix TechBlog

OCTOBER 8, 2024

Handling Bursty Traffic : Managing significant traffic spikes during high-demand events, such as new content launches or regional failovers. Sharded Infrastructure : Leveraging the Data Gateway Platform , we can deploy single-tenant and/or multi-tenant infrastructure with the necessary access and traffic isolation.

Latency 239

Latency Storage Traffic Tuning 239

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™. Reserved Instances. Expert Tip.

Cloud 242

Cloud Azure AWS Database 242

KeyCDN

JUNE 6, 2019

We’re happy to announce that WebP Caching has landed! How Does WebP Caching Work? Enable the Feature for your Zones Cache Key WebP can be enabled for all Pull Zones. Once enabled, a Zone will cache each image separately as WebP and the other image format (e.g. Optimus offers an efficient way to generate WebP images.

Cache 81

Cache Servers Website Traffic 81

CSS Wizardry

SEPTEMBER 16, 2024

It’s a magical tool that makes life as a performance engineer so much easier (and much more fun). They don’t currently have a CDN , yet they do experience high traffic levels from all over the globe: Being geographically close to your audience is the biggest step in the right direction. Go and sign up. Avoid Incurring Latency Alright!

Latency 222

Latency Cache Transportation Mobile 222

The Netflix TechBlog

MARCH 7, 2024

Occasionally, these use cases involve terabytes of data, so we have to pay attention to performance. The user can choose the most suitable tool for manipulating data, such as Pandas or Polars to use a dataframe API, or one of our internal C++ libraries for various high-performance operations.

Systems 235

Systems Media Cache Open Source 235

Percona

JUNE 22, 2023

As a MySQL database administrator, keeping a close eye on the performance of your MySQL server is crucial to ensure optimal database operations. A monitoring tool like Percona Monitoring and Management (PMM) is a popular choice among open source options for effectively monitoring MySQL performance.

Performance 110

Performance Monitoring Traffic Database 110

Smashing Magazine

MAY 12, 2022

How To Use Google CrUX To Analyze And Compare The Performance Of JS Frameworks. How To Use Google CrUX To Analyze And Compare The Performance Of JS Frameworks. In particular, the increase in the amount of downloaded JavaScript can have a direct impact on website performance. Dan Shappir. 2022-05-12T09:30:00+00:00.

Google 130

Google Performance Website Mobile 130

Tim Kadlec

APRIL 10, 2023

There was a comment on Twitter today from Rafael Gonzaga expressing disappointment in what he sees as a tendency to focus on the frontend solely in performance discussions, while neglecting the server-side aspect. Revisiting the golden rule Way back in 2006, Tenni Theurer first wrote about the 80 / 20 rule as it applied web performance.

Performance 111

Performance Servers Mobile Metrics 111

Alex Russell

MARCH 6, 2021

Back in 2016, I gave a talk outlining the causes and effects of the terrible performance of web apps built using popular tools on the fastest-growing device segment: low-end to mid-range Android phones. Poor performance has a compound effect on user expectations at an ecosystem level. Live by the link, die by the link.

Performance 127

Performance Network Metrics Cache 127

Dynatrace

MAY 17, 2023

But its underlying goal is quite humble and straightforward: it wants to enable you to observe an IT system (for example, a web application, infrastructure, or services) and gain insight to its behavior, such as performance, error rates, hot spots of executed instructions in code, and more.

Metrics 182

Metrics Open Source Traffic Cache 182

The Netflix TechBlog

OCTOBER 16, 2019

Often the data is held in memory by consumers and used as a “total cache”, where it is accessed at runtime by client code and atomically swapped out under the hood. for example Open Connect Appliance cache configuration, supported device type IDs, supported payment method metadata, and A/B test configuration.

Cache 191

Cache Architecture Metrics Java 191

Scalegrid

MARCH 28, 2024

In this comparison of Redis vs Memcached, we strip away the complexity, focusing on each in-memory data store’s performance, scalability, and unique features. Redis and Memcached both provide high performance with sub-millisecond response times. Choosing between Redis and Memcached hinges on specific application requirements.

Cache 130

Cache Storage Architecture Scalability 130

Scalegrid

JANUARY 25, 2024

Redis® is an in-memory database that provides blazingly fast performance. This makes it a compelling alternative to disk-based databases when performance is a concern. You might already use ScaleGrid hosting for Redis hosting to power your performance-sensitive applications.

Metrics 130

Metrics Monitoring Latency Cache 130

Smashing Magazine

JUNE 29, 2021

Without build optimizations (incremental builds, caching, we will get to those soon) this will eventually become unmanageable as well — think about going through all images in a website: resizing, deleting, and/or creating new files over and over again. The cache is invalidated on a time basis. Creating an On-Demand builder.

Cache 132

Cache Website Strategy Traffic 132

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

All Things Distributed

OCTOBER 2, 2017

We were pushing the limits of what was a leading commercial database at the time and were unable to sustain the availability, scalability and performance needs that our growing Amazon business demanded. Performant – The service would need to be able to maintain consistent performance in the face of diverse customer workloads.

Internet 110

Internet Internet AWS Performance 110

KeyCDN

SEPTEMBER 3, 2020

How to measure performance The Website Speed Test is the ideal tool for measuring the performance of your website. It offers a full range of performance grades and suggestions where we outline the performance potential in detail. Further down, there are detailed performance grades for various topics.

Processing 127

Processing Cache Website Servers 127

Smashing Magazine

NOVEMBER 8, 2021

We work with millions of merchants, and as many companies, we obsess about storefront performance. We obsess even more about finding the optimal balance between performance, capabilities, and merchants’ business objectives. I work at Shopify, an all-in-one commerce platform to start, run, and grow a business. Large preview ).

Cache 137

Cache Best Practices Strategy Servers 137

Randon ASCII

JANUARY 12, 2022

The Xbox 360 CPU had three PowerPC cores and a 1 MB L2 cache and these features are clearly visible on the wafer. In the die picture to the right (which looks to be about 14 mm by 12 mm) you can see the regular pattern of small black rectangles in the bottom right corner – that’s the L2 cache. register files? arithmetic units?)

Cache 126

Cache Latency Benchmarking Hardware 126

Percona

AUGUST 8, 2023

Or worse yet, sometimes I get questions about regaining normal operations after a traffic increase caused performance destabilization. But we can discuss common bottlenecks, how to assess them, and have a better understanding as to why proactive monitoring is so important when it comes to responding to traffic growth.

Traffic 93

Traffic Cache Monitoring Database 93

The Morning Paper

MAY 23, 2019

Compress objects, not cache lines: an object-based compressed memory hierarchy Tsai & Sanchez, ASPLOS’19. Today’s paper introduces Zippads , which compared to a state of the art compressed memory hierarchy is able to achieve a 1.63x higher compression ratio and improve performance by 17%. ” The big idea.

Cache 61

Cache Benchmarking Hardware Java 61

Smashing Magazine

AUGUST 3, 2023

How We Optimized Performance To Serve A Global Audience How We Optimized Performance To Serve A Global Audience Liran Cohen 2023-08-03T10:00:00+00:00 2023-08-03T13:06:00+00:00 I work for Bookaway , a digital travel brand. It increases our visibility and enables us to draw a steady stream of organic (or “free”) traffic to our site.

Performance 75

Performance Cache Traffic Metrics 75

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). In the Performance space, our data teams currently focus on the quality of experience on Netflix-enabled devices.

Infrastructure 185

Infrastructure Cloud Scalability AWS 185

The Morning Paper

OCTOBER 4, 2020

Understanding operational 5G: a first measurement study on its coverage, performance and energy consumption , Xu et al., 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. Application performance. SIGCOMM’20.

Energy 130

Energy Latency Performance Network 130

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

KeyCDN

FEBRUARY 4, 2021

This query is performed by a Domain Name Server (DNS server) or servers nearby that have been assigned responsibility for that hostname. 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.

Cache 134

Cache Website Internet Internet 134

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? Find Your Performance Baseline.

Website 92

Website Speed Cache Traffic 92

Smashing Magazine

DECEMBER 23, 2020

The service workers enable the offline usage of the PWA by fetching cached data or informing the user about the absence of an Internet connection. When developing a PWA, you can cache the application shell’s resources and assets in the browser. Cached content with IndexedDB. Cache first, then network. Service Workers.

Cache 126

Cache Internet Internet Google 126