The Netflix TechBlog

OCTOBER 16, 2019

Another example of a dataset that needs to be disseminated is the result of a machine-learning model: the results of these models may be used by several teams, but the ML teams behind the model aren’t necessarily interested in maintaining high-availability services in the critical path. Retry logic is baked in and configurable?—?for

Cache 187

Cache Architecture Metrics Java 187

IO River

NOVEMBER 2, 2023

What Comprises Video Streaming - Traffic CharacteristicsWith the emphasis on a high-quality streaming experience, the optimization starts from the very core. Fundamentally, internet traffic can be broadly categorized into static and dynamic content. Given its unchanging nature, static content is ideal for caching.

Architecture 52

Architecture Performance Internet Internet 52

IO River

NOVEMBER 2, 2023

‍What Comprises Video Streaming - Traffic CharacteristicsWith the emphasis on a high-quality streaming experience, the optimization starts from the very core. Fundamentally, internet traffic can be broadly categorized into static and dynamic content. Let’s analyze how you can achieve this win-win as effectively as possible!‍What

Architecture 52

Architecture Performance Internet Internet 52

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. Jump to the details ↓ Download a free PDF sample (12MB).

Media 106

Media Cache Google Best Practices 106

Smashing Magazine

JANUARY 11, 2021

Build Optimizations JavaScript modules, module/nomodule pattern, tree-shaking, code-splitting, scope-hoisting, Webpack, differential serving, web worker, WebAssembly, JavaScript bundles, React, SPA, partial hydration, import on interaction, 3rd-parties, cache. Download The Checklist (PDF, Apple Pages, MS Word). Quick Wins.

Performance 145

Performance Cache Media Metrics 145

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. Jump to the details ↓ Download a free PDF sample (12MB).

Media 93

Media Cache Google Best Practices 93

Smashing Magazine

JULY 29, 2019

South Korea has the fastest mobile download speed , averaging 52.4 Mbps download and 0.7 The USA ranks 40th in the world for mobile download speeds, at around 34 Mbps, and is at risk of falling further behind as the world moves towards 5G. Mbps, but Iraq has the slowest, averaging 1.6 Mbps upload. The Experiment.

Cache 96

Cache Google Mobile Network 96

Dotcom-Montior

JUNE 15, 2020

Essentially, all traffic between China and the rest of the world goes through a few national level and a handful of core level access points in different regions. These updates will disable access of Google apps downloader, for example. This makes censorship of domestic traffic faster. . IP Blocking. DNS Hijacking and Phishing.

Monitoring 52

Monitoring Performance Artificial Intelligence Internet 52

Percona

SEPTEMBER 1, 2023

This results in expedited query execution, reduced resource utilization, and more efficient exploitation of the available hardware resources. Download the eBook now What are the Common Performance Issues in MySQL Databases? MySQL relies heavily on the availability of hardware resources to perform at its best.

Tuning 52

Tuning Database Performance Hardware 52

The Morning Paper

SEPTEMBER 24, 2019

However, these fixes will only be available to users able to upgrade to Android Q — those with the means to own a newer smartphone. Using a purpose-built Google Play scraper the team downloaded 252,864 versions of 88,113 different Android apps. The destination endpoint for the network traffic typically identifies the SDK responsible.

Systems 74

Systems Traffic Network Google 74

The Morning Paper

OCTOBER 4, 2020

On 4G the comparable daytime numbers were 130 Mbps download and 50 Mbps upload (4G does better at night when the network is less congested, with 200/100 upload/download Mbps). Emerging architectures that shorten the path length, e.g. edge caching and computing, may also confine the latency. Application performance.

Energy 130

Energy Latency Performance Network 130

Smashing Magazine

JUNE 1, 2022

They can also highlight very long redirection chains in your third-party traffic. The most popular, by far, is the Google Lighthouse report (available in Chrome Developer Tools) and Google’s Page Speed Insights. As a discovery tool, request maps are great for identifying the source of third-party, fourth-party, fifth-party, etc.,

Website 131

Website Design Network Best Practices 131

Adrian Cockcroft

JANUARY 29, 2023

There is no way to model how much more traffic you can send to that system before it exceeds it’s SLA. A later version of the slides is included in my Microservices Workshop deck from later that year, slides 168–200 ( pdf , keynote are available in GitHub.com/adrianco/slides ).

Lambda 98

Lambda Latency Cache C++ 98

Smashing Magazine

AUGUST 9, 2021

As a second example, TCP sees all of the data it transports as a single “file” or byte stream , even if we’re actually using it to transfer several files at the same time (for example, when downloading a web page consisting of many resources). In the early days of the Internet, encrypting traffic was quite costly in terms of processing.

Transportation 145

Transportation Internet Internet Network 145

Smashing Magazine

SEPTEMBER 6, 2021

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. To be able to download multiple files on a single connection, you need to somehow multiplex them. Prioritization.

Network 105

Network Servers Cache Traffic 105

Smashing Magazine

JANUARY 6, 2020

Download The Checklist (PDF, Apple Pages, MS Word). You can also just download the checklist PDF (166 KB) or download editable Apple Pages file (275 KB) or the.docx file (151 KB). For Mac OS, we can use Network Link Conditioner , for Windows Windows Traffic Shaper , for Linux netem , and for FreeBSD dummynet. Quick Wins.

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Performance Cache Network Metrics 145

Enprowess

MARCH 4, 2018

And whenever one server isn’t sufficient to serve the high traffic needs of your portal, you can scale your Liferay portal by adding additional servers. Basically when group of servers and other resources act like a single system and enable high availability is termed as “Clustering”. Enable cluster link for cache replication.

Cache 52

Cache Transportation Media Traffic 52

Smashing Magazine

JANUARY 7, 2019

Download The Checklist (PDF, Apple Pages, MS Word). You can also just download the checklist PDF (166 KB) or download editable Apple Pages file (275 KB) or the.docx file (151 KB). While download times are critical for low-end networks, parse times are critical for phones with slow CPUs. Assets Optimizations. Quick Wins.

Performance 104

Performance Cache Network Metrics 104

Percona

APRIL 17, 2023

Note that the intent of tuning the settings is not exclusively about improving performance but also enhancing the high availability and resilience of the MongoDB database. There is an issue with this, which causes the OS to swap even with memory available. Spoiler alert: This post focuses on MongoDB 3.6.X 25.84 - Total 21.04

Best Practices 52

Best Practices Design Tuning Database 52

Smashing Magazine

APRIL 11, 2022

Let’s focus on how these resources are requested and downloaded. The HTML document is the first resource to be requested and downloaded, but how do browsers determine what to download next and in which order? Browsers have a set of predetermined priorities for each resource type, so they can be downloaded in an optimal order.

Media 70

Media Tuning Metrics Google 70

Tim Kadlec

MARCH 14, 2019

Perhaps the most significant difference between the Lite pages announcement and Data Saver as we knew it is that Lite pages work over HTTPS traffic. Traditionally, these optimizations have only applied to HTTP traffic—something that has changed now with Lite pages. Show offline copies of pages if one is available on the device.

Google 63

Google Traffic Cache Servers 63

Dotcom-Montior

JUNE 30, 2021

As we’ve noticed, website performance, especially its speed and availability, are essential to the success of your business. Availability, with no doubt, is the basic requirement. The entry/exit communication traffic can be overwhelmed by limited international bandwidth and huge user number. DNS Time: waiting for data from DNS.

Website 52

Website Monitoring Website Performance Performance 52

Smashing Magazine

JANUARY 21, 2021

Plus a service worker that caches all static assets and serves them for repeat views, along with cached versions of articles that a reader has already visited. CrUX generates an overview of performance distributions over time, with traffic collected from Chrome users. We’ve managed to set it them up and running quite quickly.

Performance 145

Performance Cache Mobile Network 145

Smashing Magazine

MARCH 19, 2021

Gael Metais suggested to more aggressively subset web fonts and look into caching issues with our AVIF files. If a browser doesn’t support AVIF, it gets a JPEG file (properly cached), The content negotiation happens via <picture> + srcset in the browser. With over 56k downloads (just over a thousand per week, and growing!),

Mobile 140

Mobile Design Cache Code 140

Dotcom-Montior

JUNE 30, 2020

As we’ve noticed, website performance, especially its speed and availability, are essential to the success of your business. Availability, with no doubt, is the basic requirement. The entry/exit communication traffic can be overwhelmed by limited international bandwidth and huge user number. DNS Time: waiting for data from DNS.

Website 52

Website Monitoring Website Performance Performance 52

Dotcom-Montior

JULY 7, 2020

As we’ve noticed, website performance, especially its speed and availability, are essential to the success of your business. Availability, with no doubt, is the basic requirement. The entry/exit communication traffic can be overwhelmed by limited international bandwidth and huge user number. DNS Time: waiting for data from DNS.

Website 52

Website Monitoring Website Performance Performance 52

Percona

MAY 2, 2023

Hence, the node would still be available for other operations. Cons of logical backups As it reads all data, it can be slow and will require disk reads too for databases that are larger than the RAM available for the WT cache—the WT cache pressure increases, which slows down the performance.

Best Practices 52

Best Practices Database Storage Servers 52

Alex Russell

MARCH 6, 2021

A then-representative $200USD device had 4-8 slow (in-order, low-cache) cores, ~2GiB of RAM, and relatively slow MLC NAND flash storage. Modern network performance and availability. The fastest Androids predictably remain 18-24 months behind, owing to cheapskate choices about cache sizing by Qualcomm, Samsung Semi, and all the rest.

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Performance Network Cache Metrics 124

Smashing Magazine

AUGUST 22, 2021

This in turn affects how fast a page’s resources can be downloaded. Additionally, even if we knew the available physical bandwidth, that wouldn’t mean we could use all of it ourselves. Several users are typically active on a network concurrently, each of whom need a fair share of the available bandwidth. Did You Know?

Performance 106

Performance Network Latency Servers 106

John McCalpin

APRIL 2, 2020

All of the SPECfp_rate2000 results were downloaded from www.spec.org, the results were sorted by processor type, and “peak floating-point operations per cycle” was manually added for each processor type. Over time, the mechanisms introduced for reducing energy consumption (first in laptops) became available more broadly.

Benchmarking 59

Benchmarking Performance Latency Architecture 59

Enprowess

MAY 24, 2022

Reactjs has the capability of server-side rendering, which offers a power boost to the SEO of a web page or an application and helps in fetching more organic traffic. When a web crawler visits a server that has already rendered the content and pictures, indexing and caching of the content becomes quicker. Quick Application Development.

Mobile 52

Mobile Open Source Virtualization Speed 52

SQL Server According to Bob

DECEMBER 18, 2018

Device level flushing may have an impact on your I/O caching, read ahead or other behaviors of the storage system. 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. Linux open command flag used to bypass file system cache.

Servers 90

Servers Media Cache Storage 90

Alex Russell

OCTOBER 22, 2017

If our example document wasn’t reliant on JavaScript to construct the <my-app> custom element, the contents of the document would likely be interactive as soon as enough CSS and content was available to render meaningfully. Any DOM or UI created in JS is not available for use until the script runs. 400Kbps transfer.

Performance 68

Performance Benchmarking Network Mobile 68

Tim Kadlec

OCTOBER 17, 2010

Information on the how of performance has been available for awhile, but not until the last couple years have we really seen answers to the question of why. This boost in performance increased their download conversions by 15.4%. Based on their daily traffic, they estimated that this increase translated to an astonishing 10.28

Performance 40

Performance Energy Google Internet 40