Uber Engineering

JANUARY 16, 2023

Uber’s interactive analytics team shares how they integrated Alluxio’s data caching into Presto, the SQL query engine powering thousands of daily active users on petabyte scale at Uber, to dramatically reduce data scan latencies through leveraging Presto on local disks.

Cache 98

Cache Speed Latency Analytics 98

CSS Wizardry

SEPTEMBER 6, 2022

Honestly, in this scenario, my advice is almost always: don’t bother trying to retrofit Critical CSS—just hash-n-cache 1 2 the living daylights out of your existing CSS bundles until you replatform and do it differently next time. This means that speeding up the file’s fetch is unlikely to help it be applied to the document any sooner.

Media 359

Media Cache Network Website 359

Smashing Magazine

MAY 9, 2022

Performance Game Changer: Browser Back/Forward Cache. Performance Game Changer: Browser Back/Forward Cache. With that caveat out of the way, let’s get to the guts of the article: What is the Back/Forward Cache and why does it matter so much? Didn’t The HTTP Cache Do All That Anyway? Barry Pollard.

Cache 106

Cache Games Performance Website 106

MachMetrics

APRIL 24, 2019

All of the popular speed testing tools typically provide a page speed score along with their objective results. Google PageSpeed Insights has a their “Speed Score.” While these do have a purpose, most people use them incorrectly, in a way that can be dangerous to your real site speed. seconds to.27

Speed 111

Speed Best Practices Google Website 111

CSS Wizardry

SEPTEMBER 16, 2024

The speed at which files download will be a function of bandwidth and round trip time. Interestingly, 304 responses are still a form of redirect: the server is redirecting your visitor back to their HTTP cache. Cache Everything If you’re going to do something, try only do it once. Hundreds of milliseconds of pure latency.

Latency 244

Latency Cache Transportation Mobile 244

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. Browsers now understand the classic shared HTTP cache behaviour as a privacy bug.

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.

Cache 232

Cache Ecommerce Social Media Database 232

Dynatrace

APRIL 10, 2023

The need for transaction speed in the face of increasing digital customer demand According to Bollampally, the company’s on-premises infrastructure couldn’t support the consolidated reporting it needed while responding to customers’ increasing demand for online shopping. Further, as Tractor Supply Co.

Cloud 243

Cloud Ecommerce Performance Retail 243

DZone

APRIL 9, 2020

Insufficient dispatcher caching. Lack of browser caching. High CPU utilization. Expensive requests such as expensive searches or inefficient application code, components, etc. Lack of proper maintenance. Lack of CDN. Too many scripts loaded on-page and loaded at top of the page. Insufficient server sizing or incorrect architecture.

Website Performance 264

Website Performance Website Performance Cache 264

The Netflix TechBlog

OCTOBER 29, 2020

For these reasons, as a small engineering team, we’ve found that optimizing for reliability and speed of product delivery is required for us to serve our evolving customers’ needs successfully. Disk cache Of course, network connectivity may not always be available so downloaded rule sets need to be cached to disk.

Mobile 279

Mobile Cache Network Technology 279

Dynatrace

OCTOBER 7, 2021

Speed is next; serverless solutions are quick to spin up or down as needed, and there are no delays due to limited storage or resource access. AWS AppSync: AppSync offers a fully managed approach to developing APIs with GraphQL — connecting to AWS DynamoLB or Lambda along with adding caches and client-side data. Reliability.

Serverless 325

Serverless AWS Lambda Storage 325

Smashing Magazine

JUNE 26, 2019

What Web Designers Can Do To Speed Up Mobile Websites. What Web Designers Can Do To Speed Up Mobile Websites. I recently wrote a blog post for a web designer client about page speed and why it matters. What I didn’t know before writing it was that her agency was struggling to optimize their mobile websites for speed.

Website 111

Website Speed Mobile Design 111

The Netflix TechBlog

SEPTEMBER 24, 2021

Our previous blog post described how MezzFS addresses the challenges for reads using various techniques, such as adaptive buffering and regional caches, to make the system performant and to lower costs. It downloads the part(s) that contain the referenced, uploaded bytes and keeps them in an LRU active cache.

Cloud 240

Cloud Media Storage Cache 240

CSS Wizardry

AUGUST 24, 2022

As I see it, there are two main issues when it comes to measuring performance changes (note, not improvements , but changes) in the lab: Site-speed is nondeterministic 1. What if another file on the critical path had dropped out of cache and needed fetching from the network? Problems When Measuring Performance.

Benchmarking 276

Benchmarking Metrics Cache Network 276

Dynatrace

JANUARY 5, 2023

Improve SSO deployment automation to enable faster rollbacks; Evaluate improvements of throttling and caching strategy; Remove dependency between SSO backend services to ensure auto-remediation; Remove overly tight couplings between Dynatrace services that depend on SSO; Increase the load testing scenarios with more corner cases for broader execution; (..)

Cache 246

Cache Monitoring Strategy Speed 246

Smashing Magazine

OCTOBER 31, 2023

Answering Common Questions About Interpreting Page Speed Reports Answering Common Questions About Interpreting Page Speed Reports Geoff Graham 2023-10-31T16:00:00+00:00 2023-10-31T17:06:18+00:00 This article is sponsored by DebugBear Running a performance check on your site isn’t too terribly difficult. Source: Source: DebugBear.

Speed 117

Speed Google Website Metrics 117

Dynatrace

OCTOBER 4, 2022

A data lakehouse features the flexibility and cost-efficiency of a data lake with the contextual and high-speed querying capabilities of a data warehouse. Data lakehouses ingest large structured and unstructured data volumes at a very high speed in their raw, native form. What is a data lakehouse? Data management.

Artificial Intelligence 246

Artificial Intelligence Storage Analytics Government 246

Dynatrace

AUGUST 30, 2019

A well-established metric we provide is APDEX , which tell us how users are perceiving page load times (time to the first byte, page speed, speed index), errors (JavaScript errors, crashes,) and also factors in the overall user journey (each user interaction) including their environment (browser, geolocation, bandwidth).

Cache 214

Cache Database Architecture Government 214

Scalegrid

OCTOBER 2, 2019

The demand for Redis is skyrocketing across dozens of use cases, particularly for cache, queues, geospatial data, and high speed transactions.

Azure 37

Azure Cloud Open Source Virtualization 37

All Things Distributed

JUNE 21, 2017

Today, I'm excited to announce the general availability of Amazon DynamoDB Accelerator (DAX) , a fully managed, highly available, in-memory cache that can speed up DynamoDB response times from milliseconds to microseconds, even at millions of requests per second. Fully managed cache for DynamoDB.

Speed 95

Speed Cache Latency AWS 95

Smashing Magazine

JULY 8, 2021

Tools And Practices To Speed Up The Vue.js Tools And Practices To Speed Up The Vue.js Instead, use the getter function because it can be mapped into any vue component using the mapGetters behaving like a computed property with the getters result cached based on its dependencies. Development Process. Development Process.

Speed 141

Speed Processing Development Code 141

The Netflix TechBlog

NOVEMBER 15, 2022

AWS AWS provides a suite of services that a VFX studio, regardless of size, can use to leverage the cloud, including AWS Thinkbox Deadline , Amazon File Cache , and Render Farm Deployment Kit on AWS (RFDK). VFX studios of varying sizes and locations can leverage these solutions to meet the unique rendering needs of their productions.

Cloud 286

Cloud Entertainment AWS Infrastructure 286

Scalegrid

MARCH 28, 2024

Key Takeaways Redis offers complex data structures and additional features for versatile data handling, while Memcached excels in simplicity with a fast, multi-threaded architecture for basic caching needs. Redis is better suited for complex data models, and Memcached is better suited for high-throughput, string-based caching scenarios.

Cache 130

Cache Storage Architecture Scalability 130

The Netflix TechBlog

JULY 1, 2019

Some of the metrics we use to measure performance on the Netflix TV app include animation frames per second (FPS), key input responsiveness (the amount of time before a member’s key press renders a change in the UI), video playback speed, and app start-up time. The majority of legacy devices run at 28MB of surface cache.

Cache 166

Cache Design Testing Development 166

MachMetrics

JUNE 1, 2020

In fact, failing to run a mobile page speed test is the number 1 speed testing mistake we see our users make! If you’re unsure of how your website performs on a mobile device (or even got a poor result on a speed audit), stick with us. All of these things can be achieved with a faster mobile speed. Of course not.

Speed 67

Speed Mobile Testing Google 67

Smashing Magazine

DECEMBER 23, 2020

It doesn’t come as a surprise, considering the benefits of higher conversion rates, customer engagement, decreased page loading speed, and lower costs on development and overhead. 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.

Cache 136

Cache Internet Internet Google 136

KeyCDN

FEBRUARY 4, 2021

Source: nameshield.com Why reliable DNS hosting is important Choosing a reliable DNS hosting provider is critical because it can affect everything from the redundancy of your website, speed, and even security. Speed Speed also plays a role with DNS. You can test the DNS lookup time and TTFB with a website speed test tool.

Cache 134

Cache Website Internet Internet 134

MachMetrics

FEBRUARY 27, 2020

However, you have likely used the Web UI that Google uses to allow you to test websites for speed – Google PageSpeed Insights. While PageSpeed Insights focuses solely on speed/performance, Lighthouse offers even more. Finally, decide if you want to throttle your test to a certain speed, and run the audit. Performance.

Google 82

Google Speed Testing Tools Testing 82

Dynatrace

OCTOBER 21, 2020

One of them being a small cache that would have brought the initial startup time down by about 95%. It shows how Dynatrace makes life so much easier for performance engineers and developers that need to ensure our code is highly optimized for speed and resource consumption. Step 4: Fixing the issue.

Code 246

Code Cloud Engineering Java 246

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

Dynatrace

DECEMBER 13, 2023

This can be achieved by reducing the size of files or images, using caching, and compressing data. Mobile app performance is not just about speed and responsiveness but also about battery life. Minimizing the number of network requests that your app makes can improve performance by reducing latency and improving load times.

Best Practices 246

Best Practices Mobile Metrics Performance 246

ACM Sigarch

DECEMBER 19, 2022

We assume a base multi-core processor four-way-issue load/store machine with 64-bit integer/address registers Rx, 128-bit (16-byte) data registers Vx, and an L1 D-cache that can do two operations per cycle, each reading or writing an aligned 16-byte memory word. Cache pollution is addressed in a section below.). Cache Underpinning.

Design 145

Design Systems Cache Network 145

CSS Wizardry

AUGUST 7, 2019

A trip from a device in London to a server in New York has a theoretical best-case speed of 28ms over fibre, but this makes lots of very optimistic assumptions. only to find that the resource they’re requesting isn’t in that PoP ’s cache. Expect closer to 75ms. Routing: If you are using a CDN—and you should be!—a

Latency 274

Latency Ecommerce Servers Mobile 274

Smashing Magazine

JANUARY 7, 2025

In this article, well discuss six ways to design websites for high-traffic events like product drops and sales: Compress and optimize images , Choose a scalable web host , Use a CDN , Leverage caching , Stress test websites , Refine the backend. You can also find optimization plugins or caching solutions that give you access to a CDN.

Traffic 86

Traffic Website Design Cache 86

Smashing Magazine

SEPTEMBER 28, 2022

Active Memory Caching. When you want to get data that you already had quickly, you need to do caching — caching stores data that a user recently retrieved. Caching partially stores your data and is not used as permanent storage. Caching partially stores your data and is not used as permanent storage.

Cache 141

Cache Performance Servers Architecture 141

The Netflix TechBlog

SEPTEMBER 10, 2024

The DeviceToDeviceManager is responsible for validating the message, doing some bookkeeping, and kicking off an async call that validates that the device is an authorized target, looks up the Pushy for the target device in the local cache (or makes a call to the data store if it’s not found), and forwards on the message.

Latency 230

Latency Cache Tuning Efficiency 230

Percona

APRIL 24, 2023

I keep seeing many articles and talks on “tuning” discussing how creating new indexes speeds up SQL but rarely ones discussing removing them. The more indexes, the more the requirement of memory for effective caching. Cache requirements for indexes are generally much higher than associated tables. What should we do?

Tuning 139

Tuning Cache Storage Database 139