CSS Wizardry

OCTOBER 27, 2018

A lot of companies—even if they are aware that performance is key to their business—are often unsure of how, when, or where performance testing sits within their development lifecycle. To make things worse, they’re also usually unsure whose responsibility performance measuring and monitoring is.

Performance Testing 172

Performance Testing Testing Performance Strategy 172

Sutter's Mill

FEBRUARY 13, 2017

Tue-Thu Apr 25-27: High-Performance and Low-Latency C++ (Stockholm). On April 25-27, I’ll be in Stockholm (Kista) giving a three-day seminar on “High-Performance and Low-Latency C++.” Here is the summary, below; for a more detailed topic breakdown see the link above. Description.

Latency 51

Latency C++ Hardware Performance 51

Dynatrace

MAY 17, 2023

Making applications observable—relying on metrics, logs, and traces to understand what software is doing and how it’s performing—has become increasingly important as workloads are shifting to multicloud environments. This allows us to quickly tell whether the network link may be saturated or the processor is running at its limit.

Metrics 168

Metrics Monitoring Database Network 168

Scalegrid

FEBRUARY 8, 2024

Durability Availability Fault tolerance These combined outcomes help minimize latency experienced by clients spread across different geographical regions. By breaking up large datasets into more manageable pieces, each segment can be assigned to various network nodes for storage and management purposes.

Storage 130

Storage Systems Big Data Azure 130

Alex Russell

MAY 9, 2022

Despite advances in browser tooling , automated evaluation , lab tools , guidance , and runtimes , however, teams struggle to deliver even decent performance with today's popular frameworks. What is Performance? It may seem a silly question, but what is performance, exactly?

Performance 86

Performance Latency Metrics Engineering 86

Smashing Magazine

JANUARY 11, 2021

Front-End Performance Checklist 2021. Front-End Performance Checklist 2021. This guide has been kindly supported by our friends at LogRocket , a service that combines frontend performance monitoring , session replay, and product analytics to help you build better customer experiences. Web performance is a tricky beast, isn’t it?

Performance 145

Performance Cache Media Metrics 145

The Netflix TechBlog

SEPTEMBER 8, 2020

Over the course of this post, we will talk about our approach to this migration, the strategies that we employed, and the tools we built to support this. Being able to canary a new route let us verify latency and error rates were within acceptable limits. Background The Netflix Android app uses the falcor data model and query protocol.

Latency 233

Latency Cache Java Traffic 233

IO River

NOVEMBER 2, 2023

A CDN (Content Delivery Network) is a network of geographically distributed servers that brings web content closer to where end users are located, to ensure high availability, optimized performance and low latency. Multi-CDN is the practice of employing a number of CDN providers simultaneously.

Best Practices 52

Best Practices Strategy Traffic Virtualization 52

Smashing Magazine

AUGUST 10, 2023

Large preview ) I don’t know about you, but it often feels like I’m missing something when measuring page speed performance. Not the best way to get a high-level view of performance. I’ve had time to work with DebugBear and thought I’d give you a peek at it with some notes on my experience using it to monitor performance.

Speed 81

Speed Monitoring Testing Network 81

Dynatrace

MARCH 17, 2021

OneAgent gives you all the operational and business performance metrics you need, from the front end to the back end and everything in between—cloud instances, hosts, network health, processes, and services. You want to optimize your Citrix landscape with insights into user load and screen latency per server? extensions.

Metrics 166

Metrics Monitoring Network Technology 166

IO River

NOVEMBER 2, 2023

A CDN (Content Delivery Network) is a network of geographically distributed servers that brings web content closer to where end users are located, to ensure high availability, optimized performance and low latency. Multi-CDN is the practice of employing a number of CDN providers simultaneously.

Best Practices 40

Best Practices Strategy Traffic Virtualization 40

High Scalability

MARCH 22, 2019

µs of replication latency on lossy Ethernet, which is faster than or comparable to specialized replication systems that use programmable switches, FPGAs, or RDMA.". At some point, the e-mail I send over WiFi will hit a wire, of course". We achieve 5.5 matthewstoller : I just looked at Netflix’s 10K.

Internet 134

Internet Internet Scalability Wireless 134

Smashing Magazine

JANUARY 6, 2020

Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]. Web performance is a tricky beast, isn’t it? How do we actually know where we stand in terms of performance, and what our performance bottlenecks exactly are? Vitaly Friedman.

Performance 145

Performance Cache Network Metrics 145

The Morning Paper

JANUARY 28, 2020

Shredder is " a low-latency multi-tenant cloud store that allows small units of computation to be performed directly within storage nodes. " " Running end-user compute inside the datastore is not without its challenges of course. High performance. Introducing Shredder.

Serverless 99

Serverless Storage Latency Cloud 99

The Morning Paper

JANUARY 30, 2020

Edge servers are the middle ground – more compute power than a mobile device, but with latency of just a few ms. The client MWW combines these estimates with an estimate of the input/output transmission time (latency) to find the worker with the minimum overall execution latency. The opencv app has the largest state (4.6

Mobile 104

Mobile Cloud Latency Games 104

Smashing Magazine

NOVEMBER 8, 2021

As developers, we rightfully obsess about the customer experience, relentlessly working to squeeze every millisecond out of the critical rendering path, optimize input latency, and eliminate jank. We work with millions of merchants, and as many companies, we obsess about storefront performance. Ilya Grigorik. 2021-11-08T14:30:00+00:00.

Cache 136

Cache Best Practices Strategy Servers 136

The Morning Paper

NOVEMBER 15, 2020

Options 1 and 2 are of course the ‘scale out’ options, whereas option 3 is ‘scale up’. An IDS/IPS monitors network flows and matches incoming packets (or more strictly, Protocol Data Units, PDUs) against a set of rules. This makes the whole system latency sensitive. Increasing the amount of work we can do on a single unit.

Servers 128

Servers Hardware Latency Design 128

Smashing Magazine

JANUARY 7, 2019

Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. Web performance is a tricky beast, isn’t it? How do we actually know where we stand in terms of performance, and what our performance bottlenecks exactly are? Vitaly Friedman.

Performance 104

Performance Cache Metrics Network 104

Dotcom-Montior

MAY 12, 2020

They now allow users to interact more with the company in the form of online forms, shopping carts, Content Management Systems (CMS), online courses, etc. Web monitoring is a comprehensive term that describes the activity of testing a website or web application for its availability and performance. Network or connection error.

Monitoring 63

Monitoring Entertainment Hardware Latency 63

The Morning Paper

MAY 12, 2019

The paper examines the implications of microservices at the hardware, OS and networking stack, cluster management, and application framework levels, as well as the impact of tail latency. The top line shows the change in tail latency across a set of monolithic applications as operating frequency decreases. Hardware implications.

Open Source 61

Open Source Hardware Benchmarking Systems 61

The Morning Paper

FEBRUARY 6, 2020

Given the simplicity and economic appeal of FaaS, it is interesting to explore designs that preserve the autoscaling and operational benefits of current offerings, while adding performant, cost-efficient and consistent shared state and communication. Oh, and there’s a scheduler too of course to keep all the plates spinning.

Lambda 98

Lambda Serverless Cache Latency 98

Alex Russell

OCTOBER 22, 2017

TL;DR: performance budgets are an essential but under-appreciated part of product success and team health. We constrain ourselves to a real-world baseline device + network configuration to measure progress. Performance budgets are set early in the life of the project. Budgets are scaled to a benchmark network & device.

Performance 68

Performance Benchmarking Network Mobile 68

Smashing Magazine

AUGUST 15, 2023

Large preview ) While browsers are generally pretty fast, these steps still take time to load, typically in seconds, and even longer on slower, high-latency network connections. That’s practically an eternity when talking about page speed performance. Homepage with DevTools Network inspection enabled and open.

Media 73

Media Metrics Mobile Best Practices 73

Dotcom-Montior

NOVEMBER 16, 2021

Since that time, the SRE role has evolved as the industry has changed and shifted from the traditional monolithic structures to large, widely distributed networks and microservices. SLIs are the actual performance metrics of your services. The actual performance, or measurements, of your SLOs that determine the level of compliance.

Monitoring 91

Monitoring Google DevOps Engineering 91

The Morning Paper

JUNE 23, 2019

I say go ahead and use local state as a performance boost, so long as you’re fine to have that state wiped out at any moment. In ProtoCache (a component of a widely used Google application), 27% of its latency when using a traditional S+RInK design came from marshalling/un-marshalling. Fetching too much data in a single query (i.e.,

Cache 79

Cache Latency Google Lambda 79

The Morning Paper

MARCH 3, 2020

This work is latency critical, because volume IO is blocked until it is complete. Physalia is designed to offer consistency and high-availability, even under network partitions. And, of course, it is designed to minimise the blast radius of any failures that do occur. Larger cells have better tolerance of tail latency (e.g.

Database 106

Database AWS Network Design 106

CSS - Tricks

APRIL 1, 2021

Site performance is potentially the most important metric. The better the performance, the better chance that users stay on a page, read content, make purchases, or just about whatever they need to do. Here’s the thing: performance is more than a one-off task. billion if the site slowed down by just one second. Lighthouse.

Cache 92

Cache Social Media Media Network 92

Highly Scalable

SEPTEMBER 18, 2012

Historically, NoSQL paid a lot of attention to tradeoffs between consistency, fault-tolerance and performance to serve geographically distributed systems, low-latency or highly available applications. Isolated parts of the database can serve read/write requests in case of network partition. Read/Write latency.

Database 213

Database Latency C++ Scalability 213

The Morning Paper

JUNE 13, 2019

Making queries to an inference engine has many of the same throughput, latency, and cost considerations as making queries to a datastore, and more and more applications are coming to depend on such queries. First off there still is a model of course (but then there are servers hiding behind a serverless abstraction too!). autoscaling).

Hardware 58

Hardware Latency Serverless Energy 58

The Morning Paper

FEBRUARY 23, 2020

There are five different types of member in an AnyLog system, and any network node can join without restriction as any type of member. Publishers are the producers of the actual data to be served by the network. Market participants. Clients issue queries over data (queries can be one-off, i.e., static, or continuous). web pages).

Blockchain 94

Blockchain Internet Internet IoT 94

Dotcom-Montior

DECEMBER 8, 2021

are all prone to performance issues and unexpected outages at some point. We are kidding of course, but you know something is bad if happens that early in the morning. Problem management is the process by which the root causes of incidents are permanently fixed, which improves long-term performance and future service deployments.

Social Media 90

Social Media Monitoring Latency DevOps 90

The Morning Paper

SEPTEMBER 5, 2019

For response times (latencies) reporting a simple metric such as ‘average’ is next to useless. Instead we want to understand what’s happening at different latency percentiles (e.g A characteristic of latency distributions is that they have a long tail. Why do we need a new sketch? At the 50th percentile, an accuracy within 0.5%

Latency 52

Latency Metrics Open Source Java 52

The Morning Paper

DECEMBER 8, 2019

At the start of November I was privileged to attend HPTS (the High Performance Transaction Systems) conference in Asilomar. Therefore any programming abstraction must be low latency and the kernel needs to be kept off the path of persistent data access as much as possible. Early performance results. PLOS’19.

Hardware 56

Hardware Programming Media Storage 56

The Morning Paper

MAY 28, 2019

Of course analog signalling comes with a whole bunch of challenges of its own, which is one of the reasons we tend to convert to digital. The resulting system can integrate seamlessly into a scikit-learn based development process, and dramatically reduces the total energy usage required for classification with very low latency.

Energy 52

Energy Hardware Efficiency Architecture 52

Alex Russell

APRIL 29, 2021

Classics of the genre include: Apple's just focused on performance! The Performance Argument. As an engineer on a browser team, I'm privy to the blow-by-blow of various performance projects, benchmark fire drills, and the ways performance marketing (deeply) impacts engineering priorities. Steve & Tim's Close-up Magic.

Media 145

Media Games Education Engineering 145

The Morning Paper

JANUARY 12, 2020

Generally we’d like it to be the case that the new version of the system performs better than the old one, and that means we also need to do off-policy evaluation (estimating performance without running it on the real system). Therefore another important quality to be able to evaluate is the warm-start performance.

Programming 43

Programming Systems Efficiency Network 43

KeyCDN

SEPTEMBER 12, 2019

We normally focus solely on the performance aspect, but today we want to dive into additional ways you can optimize images for the web. The file size of your images of course is very important, but SEO and social media also play an important part in helping your website perform and convert better.

Social Media 106

Social Media Media Google Website 106