Speed Curve

FEBRUARY 5, 2024

However, that pesky 20% on the back end can have a big impact on downstream metrics like First Contentful Paint (FCP), Largest Contentful Paint (LCP), and any other 'loading' metric you can think of. desc="Time to process request at origin" NOTE: This is not a new API. That performance golden rule still holds true today.

Servers 57

Servers Cache Retail Benchmarking 57

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. To prepare ourselves for a big change in the tech stack of our endpoint, we decided to track metrics around the time taken to respond to queries.

Latency 233

Latency Cache Java Traffic 233

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 106

Performance Monitoring Traffic Database 106

IO River

NOVEMBER 2, 2023

implement a M-CDN, organizations can use traffic management tools or Multi-CDN switching solutions that distribute and route content across the various CDN providers. Outages are a common occurrence; a global outage could take the entire network down while local outages could force the CDN vendor to serve the traffic from a non-local PoP.

Best Practices 52

Best Practices Strategy Traffic Virtualization 52

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 195

Cache Architecture Database Government 195

Percona

SEPTEMBER 1, 2023

A finely tuned database processes queries more efficiently, leading to swifter results. Inefficient query design, such as utilizing SELECT * instead of specifying necessary columns, can escalate data transfer and processing overhead. Another highly beneficial caching method is key-value caching.

Tuning 52

Tuning Database Performance Hardware 52

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?

Website 92

Website Speed Cache Traffic 92

IO River

NOVEMBER 2, 2023

implement a M-CDN, organizations can use traffic management tools or Multi-CDN switching solutions that distribute and route content across the various CDN providers. Outages are a common occurrence; a global outage could take the entire network down while local outages could force the CDN vendor to serve the traffic from a non-local PoP.

Best Practices 40

Best Practices Strategy Traffic Virtualization 40

Smashing Magazine

JANUARY 11, 2021

LogRocket tracks key metrics, incl. Getting Ready: Planning And Metrics Performance culture, Core Web Vitals, performance profiles, CrUX, Lighthouse, FID, TTI, CLS, devices. Getting Ready: Planning And Metrics. DOM complete, time to first byte, first input delay, client CPU and memory usage. Get a free trial of LogRocket today.

Performance 145

Performance Cache Media Metrics 145

Dynatrace

DECEMBER 15, 2020

Resolved issue with deep monitoring of Go process because of incompatible ABI (added support for monitoring Go applications containing C code that uses TLS). Resolved IIS crash on RUM activity interactions (user caching is now disabled if UEM is enabled). ONE-42283). ONE-49694). ONE-45777). ONE-50756). APM-259068). All modules.

Operating System 107

Operating System Java Mobile Cache 107

The Netflix TechBlog

OCTOBER 15, 2019

caching (Memcached etc.), Another thread or process is constantly polling events from the log table and writes them to one or multiple datastores, optionally removing events from the log table after acknowledged by all datastores. providing advanced search capabilities (ElasticSearch etc.),

Transportation 192

Transportation Architecture Processing Storage 192

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. This seems reasonable overhead for a real time algorithm that could be applied to histogram data as part of a metric collection pipeline. > > system.time(wait1 <- normalmixEM(waiting, mu=c(50,80), lambda=.5,

Lambda 98

Lambda Latency Cache C++ 98

The Netflix TechBlog

OCTOBER 18, 2019

The key insight was that by assuming a latent Gaussian Process (GP) prior on the key business metric actions like viral engagement, job applications, etc., In particular, he talked about the misattribution potential in a complex microservice architecture where often intermediary results are cached.

Infrastructure 126

Infrastructure Metrics Architecture Efficiency 126

Alex Russell

MARCH 6, 2021

The scale of the effect can be deeply situational or hard to suss out without solid metrics. A then-representative $200USD device had 4-8 slow (in-order, low-cache) cores, ~2GiB of RAM, and relatively slow MLC NAND flash storage. Advances in browser content processing. The Moto G4 , for example.

Performance 124

Performance Network Cache Metrics 124

Tim Kadlec

JUNE 21, 2022

Scalemates.com flipped the switch to enable HTTP/3 and almost immediately HTTP/3 traffic rose to ~13% of all requests on the landing page, ~49% for all pages in total. The browser stores alt-svc info in alt-svc cache. Because of the alt-svc process, testing to compare HTTP/2 and HTTP/3 is tricky.

Network 64

Network Mobile Google Cache 64

The Netflix TechBlog

OCTOBER 18, 2019

The key insight was that by assuming a latent Gaussian Process (GP) prior on the key business metric actions like viral engagement, job applications, etc., In particular, he talked about the misattribution potential in a complex microservice architecture where often intermediary results are cached.

Infrastructure 100

Infrastructure Metrics Architecture Efficiency 100

CSS - Tricks

JULY 25, 2019

Cache-Headers missing? Lighthouse records metrics from the browser, applies a scoring model to them, and presents an overall performance score. Guidelines for improvement are suggested based on how specific metrics score. During performance tests, Lighthouse records many metrics focused on what a user sees and experiences.

Google 71

Google Engineering Speed Mobile 71

Smashing Magazine

JANUARY 6, 2020

So, if we created an overview of all the things we have to keep in mind when improving performance — from the very start of the process until the final release of the website — what would that list look like? Getting Ready: Planning And Metrics. Getting Ready: Planning And Metrics. Table Of Contents. Quick Wins.

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

JANUARY 7, 2019

So, if we created an overview of all the things we have to keep in mind when improving performance — from the very start of the process until the final release of the website — what would that list look like? Getting Ready: Planning And Metrics. Getting Ready: Planning And Metrics. Table Of Contents. Quick Wins.

Performance 103

Performance Cache Metrics Network 103

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 110

Availability Database Open Source Hardware 110

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 105

Media Cache Google Best Practices 105

The Morning Paper

JUNE 25, 2019

Far memory brings many potential benefits over near memory: higher memory capacity through disaggregation, separate scaling between processing and far memory, better availability due to separate fault domains for far memory, and better shareability among processors. Clients cache the entire tree, but not the hash tables. The last word.

Design 80

Design Cache Hardware Scalability 80

Jos

JUNE 2, 2018

One could argue this is a metric-driven decision. When they dug into the data, they found that the reason load times had increased was that they got a lot more traffic from Africa after doing the optimizations. How would you architecture a non-trivial size web project (client, server, databases, caching layer)?

Performance 237

Performance Speed Google Media 237

Dynatrace

SEPTEMBER 17, 2019

REDIS for caching. In order to filter these dashboards by tenant all they need is a Dynatrace Management Zone , which is based on meta data extracted by Dynatrace from e.g. k8s tags, container labels or process environment variables. for AWS) Enable AWS CloudWatch Monitoring for additional metrics and MetaData. 3 Log Analytics.

AWS 127

AWS Monitoring Ecommerce Lambda 127

All Things Distributed

NOVEMBER 26, 2013

Cross Region Read Replicas also enable you to serve read traffic for your global customer base from regions that are nearest to them. Joel told us that prior to using this feature it used to take them several days and manual steps to set up a similar disaster recovery process.

Cloud 145

Cloud AWS Traffic Latency 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. Optimizing Network Requests with Caching and Preloading. +.

Media 92

Media Cache Google Best Practices 92

Smashing Magazine

JUNE 1, 2022

They can also highlight very long redirection chains in your third-party traffic. Researchers and major companies have been publishing case studies for years , proving that slower page load experiences impact business metrics, including conversion rate, revenue, bounce rate, and more. Large preview ). What To Measure.

Website 131

Website Design Network Best Practices 131

Rigor

SEPTEMBER 3, 2019

It’s about ensuring that your front-end is also working perfectly, that your site can deliver a delightful experience to your users or customers, and that it is functional – even when it’s experiencing up to seven or more times the typical traffic load. Traffic patterns outside of normal [RUM or Analytics].

Website 74

Website Cache Ecommerce Traffic 74

Smashing Magazine

JULY 29, 2019

This metric is a little difficult to comprehend, so here’s an example: if the average cost of broadband packages in a country is $22, and the average download speed offered by the packages is 10 Mbps, then the cost ‘per megabit per month’ would be $2.20. For reference, the metric is $1.19 Let’s talk about caching. in the USA.

Cache 96

Cache Google Mobile Network 96

John McCalpin

APRIL 2, 2020

To show that I can criticize my own work as well, here I show that sustained memory bandwidth (using an approximation to the STREAM Benchmark ) is also inadequate as a single figure of metric. (It Here I assumed a particular analytical function for the amount of memory traffic as a function of cache size to scale the bandwidth time.

Benchmarking 59

Benchmarking Performance Latency Architecture 59

Smashing Magazine

APRIL 11, 2022

Loading experience is crucial to the user’s first impression and overall usability, so Google defined Largest Contentful Paint (LCP) metric to measure how quickly the main content loads and is displayed to the user. It’s common knowledge that better website performance results in more conversions, more traffic, and better user experience.

Media 69

Media Tuning Metrics Google 69

Smashing Magazine

JANUARY 21, 2021

Image source: Lighthouse Metrics ) ( Large preview ). The build process on its own has become quite a beast over time as well, with critical CSS injects, Webpack’s code splitting, dynamic inserts of advertising and feature panels, RSS (re)generation, and eventual A/B testing on the edge. This is where we started.

Performance 145

Performance Cache Mobile Network 145

Jos

JUNE 2, 2018

One could argue this is a metric-driven decision. When they dug into the data, they found that the reason load times had increased was that they got a lot more traffic from Africa after doing the optimizations. Again, it’s easy to fake performance optimization by leaving out the bad metrics, blocking users who spoil the stats.

Performance 130

Performance Speed Google Media 130

Smashing Magazine

MARCH 7, 2022

However, the above table is not actually representative of total traffic, and that’s another point to note about this data. And if your RUM library of choice is not tracking these metrics, then maybe suggest that they do to benefit you and their other users. 1, 2, 4, 8, so even if you have 32 GB of RAM that will be reported as 8.

Website 103

Website Media Mobile Network 103

Alex Russell

OCTOBER 22, 2017

This helps support executive sponsors who then have meaningful metrics to point to in justifying the investments being made. Very rarely have we seen a team succeed that doesn’t set budgets, gather RUM metrics, and carry representative customer devices. Processing input (including scrolling w/ active touch listeners).

Performance 68

Performance Benchmarking Network Mobile 68

Smashing Magazine

AUGUST 30, 2021

Regardless of how much the CSS codebase has been improved during the refactoring process and how much more maintainable and extendable it is, the final stylesheet needs to be optimized for the best possible performance and least possible file size. Largest Contentful Paint (LCP) has become an important metric in the last few months.

Media 108

Media Performance Cache Strategy 108

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 187

Cache Architecture Metrics Java 187