The Netflix TechBlog

MARCH 7, 2024

Since its inception , Metaflow has been designed to provide a human-friendly API for building data and ML (and today AI) applications and deploying them in our production infrastructure frictionlessly. Deployment: Cache To produce business value, all our Metaflow projects are deployed to work with other production systems.

Systems 226

Systems Media Cache Open Source 226

Dynatrace

APRIL 10, 2023

Such testing is critical to identifying customer shopping patterns that inform decisions about application design and user experience. “The key metrics we were able to gather from Dynatrace helped us complete the testing with zero downtime,” Bollampally said. Further, as Tractor Supply Co.

Cloud 171

Cloud Ecommerce Performance Retail 171

Dynatrace

AUGUST 1, 2022

Kubernetes was initially designed with a strong focus on stateless workloads, meaning these workloads do not need to store any persistent data. Interestingly, our partner RedHat reported in 2021 that around 80% of deployed workloads are databases or data caches, storing data in persistent volume claims (PVCs). Dynatrace news.

Storage 187

Storage Database Network Metrics 187

The Morning Paper

JUNE 25, 2019

Designing far memory data structures: think outside the box Aguilera et al., Therefore, if we want to make full use of one-sided far memory, we need to think carefully about the design of our data structures to make that access efficient. Processor caches can help to hide local accesses too, but not remote accesses.

Design 80

Design Cache Hardware Scalability 80

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

Dynatrace

NOVEMBER 29, 2021

When you add the Dynatrace extension to your Lambda functions, Dynatrace begins ingesting their metrics, logs, and traces, which you can monitor and correlate with data from the rest of your stack. In addition to the built-in views, Dynatrace provides data analysis tools that greatly enhance your abilities to query and chart metrics.

Lambda 213

Lambda AWS Serverless Metrics 213

Percona

MARCH 17, 2023

These updates are designed to keep databases running at peak performance and simplify database operations. PMM2 uses VictoriaMetrics (VM) as its metrics storage engine. VictoriaMetrics maintains an in-memory cache for mapping active time series into internal series IDs. Virtual Memory utilization was averaging 48 GB of RAM.

Monitoring 101

Monitoring Scalability Cache Database 101

Dynatrace

SEPTEMBER 13, 2023

This is a set of best practices and guidelines that help you design and operate reliable, secure, efficient, cost-effective, and sustainable systems in the cloud. Storing frequently accessed data in faster storage, usually in-memory caching, improves data retrieval speed and overall system performance. Beyond

AWS 246

AWS Efficiency Azure Cloud 246

Smashing Magazine

AUGUST 3, 2023

These pages serve as a pivotal tool in our digital marketing strategy, not only providing valuable information about our services but also designed to be easily discoverable through search engines. Google’s Core Web Vitals is a set of performance metrics that site owners can use to evaluate performance and diagnose performance issues.

Performance 74

Performance Cache Traffic Metrics 74

Dynatrace

APRIL 21, 2022

Most monitoring tools for migrations, development, and operations focus on collecting and aggregating the three pillars of observability— metrics, traces, and logs. The Azure Well-Architected Framework is a set of guiding tenets organizations can use to evaluate architecture and implement designs that will scale over time. Reliability.

Azure 188

Azure Monitoring Virtualization Metrics 188

John McCalpin

APRIL 25, 2023

The primary metric for memory bandwidth in multicore processors is that maximum sustained performance when using many cores. This metric is interesting because we don’t always have the luxury of parallelizing every application we run, and our operating systems almost always process each call (e.g.,

Benchmarking 97

Benchmarking Cache Latency Tuning 97

HammerDB

JUNE 27, 2022

Databases are highly sophisticated software, and to design and run a fair benchmark workload is a complex undertaking. The TPC designed benchmarks for transaction processing (OLTP) and analytics (OLAP) and anyone can run these benchmarks, have them audited by the TPC and published on the official benchmark rankings. The NOPM Metric.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

Smashing Magazine

AUGUST 9, 2022

It can be measured based on real data from users visiting your sites ( field metric ) or in a lab environment ( lab metric ). In fact, several user-centric metrics are used to quantify web vitals. While most of the tools covered below only rely on field metrics, others use a mix of both field and lab metrics.

Performance 130

Performance Benchmarking Website Metrics 130

Percona

SEPTEMBER 1, 2023

However, they can also introduce performance bottlenecks, especially if poorly designed. Well-designed indexes can significantly improve query performance within triggers. Carefully design transactions to avoid unnecessary locking and contention. Database Design : Consider the overall database design and schema.

Cache 62

Cache Database Games Healthcare 62

The Morning Paper

FEBRUARY 6, 2020

.’ Stateless is fine until you need state, at which point the coarse-grained solutions offered by current platforms limit the kinds of application designs that work well. On the Cloudburst design teams’ wish list: A running function’s ‘hot’ data should be kept physically nearby for low-latency access.

Lambda 98

Lambda Serverless Cache Latency 98

Percona

SEPTEMBER 1, 2023

These issues often arise from suboptimal query design, missing or ineffective indexes, or dealing with large datasets. 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

Smashing Magazine

JUNE 10, 2021

Are all the caching headers set correctly? Meet Smashing Email Newsletter with useful tips on front-end, design & UX. Subscribe and get “Smart Interface Design Checklists” — a free PDF deck with 150+ questions to ask yourself when designing and building almost anything. Stefan Judis. 2021-06-10T11:15:00+00:00.

Cache 105

Cache Website Best Practices Network 105

CSS - Tricks

MARCH 2, 2022

The new WebPageTest website design. And not just defining it in terms of specific metrics (even that is tricky), but answer questions like: What are this discipline’s guiding principles? Unveiling the new WebPageTest UI — I absolutely love seeing WebPageTest’s design evolve and improve. How do we do it? This is way better.

Performance 68

Performance Cache Best Practices Strategy 68

Smashing Magazine

JANUARY 11, 2021

LogRocket tracks key metrics, incl. Performance isn’t just a technical concern: it affects everything from accessibility to usability to search engine optimization, and when baking it into the workflow, design decisions have to be informed by their performance implications. Getting Ready: Planning And Metrics. Table Of Contents.

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

MAY 16, 2022

The header is constructed via a name with an optional description and/or metric value. Web browsers expose a global Performance Timeline API to inspect details about specific metrics/events that have happened during the page lifecycle. Any server or proxy can add this header to the request to provide inspectable data.

Servers 92

Servers Monitoring Cache Network 92

HammerDB

APRIL 19, 2023

sysbench is a widely used open-source benchmarking tool that is designed to evaluate the performance of CPU, memory, disk I/O, and database systems. DISK METRICS sysstat_io_nvme0n1_avg_wait_ms 8.32 NETWORK METRICS sysstat_net_ens260f1_rx_kB/s 38,241 22,700 1.68 OTHER METRICS average context switches/sec 1,610,78 320,699 5.02

Performance 54

Performance Benchmarking Cache Storage 54

CSS Wizardry

MAY 19, 2020

It’s widely accepted that self-hosted fonts are the fastest option: same origin means reduced network negotiation, predictable URLs mean we can preload , self-hosted means we can set our own cache-control. For each test, I captured the following metrics: First Paint (FP): To what extent is the critical path affected? Because harry.is

Google 364

Google Media Latency Metrics 364

Dynatrace

OCTOBER 15, 2020

Improve cloud platform management with deeper insights into platform metrics. Automatically monitor all important Go metrics. The recipe of the magic potion that takes away the pain was designed by the marvelous druids of the Dynatrace Go team (see photo below). Get always-on 24/7 code-level CPU profiling. Do much more.

Transportation 184

Transportation Monitoring Metrics Code 184

Smashing Magazine

NOVEMBER 17, 2022

Images are crucial elements for performance and UX, and data extracted from Core Web Vitals metrics such as Largest Contentful Paint , which attempts to identify the most important piece of the above-the-fold content on a given page, proves this. The change of design. Design change fix: Different images for different displays.

Media 105

Media Cache Website Mobile 105

Smashing Magazine

JULY 18, 2022

The “stale-while-revalidate” cache control strategy can reduce the TTFB issue by serving a cached version of the page until it’s updated. By design, client-side rendering and per-request server-side rendering involve the most computations compared to static rendering, which happens only once at build time. More after jump!

Cache 114

Cache Website Energy Servers 114

Dynatrace

DECEMBER 20, 2021

Conversely, if users encounter functional issues or poor UI design that frustrate common actions, replays provide clear evidence. Streamlined asset caching: Asset caching is critical for creating accurate replays. This step is critical because the metrics needed to achieve these goals differ.

Mobile 246

Mobile Website Analytics Cache 246

High Scalability

DECEMBER 18, 2018

Senior DevOps Engineer : Your engineering work will focus on using your deep knowledge of the web stack including firewalls, web applications, caches and data stores ­ to create innovative infrastructure architectures that are resilient, scalable, and blazingly fast. It's a tool (actually, multiple tools) that your entire team will love.

Healthcare 122

Healthcare Best Practices DevOps Cache 122

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. The Moto G4 , for example. Don't pay a lot for an Android-shaped muffler.

Performance 124

Performance Network Cache Metrics 124

Smashing Magazine

JUNE 2, 2021

The design was made by a design and UX agency that also handled the HTML prototype (based on Bootstrap 4). For the launch, we mostly focused on getting the new design out the door, but once the website’s relaunch went live, we started focusing our attention on turning the red and orange scores to greens. Large preview ).

Performance 115

Performance Cache Website Mobile 115

Smashing Magazine

MAY 12, 2022

In particular, the collected measurements include the three Core Web Vitals metrics measured for each session. In recent years, these metrics have become the cornerstone of modern Web performance analysis: Largest Contentful Paint (LCP) , First Input Delay (FID) , Cumulative Layout Shift (CLS). Analyzing Per Metric. Once a week.

Google 127

Google Performance Website Mobile 127

Smashing Magazine

JANUARY 6, 2020

Performance isn’t just a technical concern: it affects everything from accessibility to usability to search engine optimization, and when baking it into the workflow, design decisions have to be informed by their performance implications. Getting Ready: Planning And Metrics. Getting Ready: Planning And Metrics. Quick Wins.

Performance 145

Performance Cache Network Metrics 145

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

Speed Curve

DECEMBER 6, 2023

At a glance you can see: The status of the deploy The status of your performance budgets (if you have created budgets) An aggregate metric for all of the URLs tested in the deploy (set to Largest Contentful Paint by default) Clicking on any deployment in the list brings up your Deployment Details dashboard.

Cache 57

Cache Retail Testing Code 57

CSS Wizardry

SEPTEMBER 28, 2023

There’s some subtle complexity designed to prevent people gaming the system, which is exactly what we’re trying to do. Passing LCP for metrics’ sake is unwise and against the spirit of web performance. View full size) And from a cold cache, over train wifi as I was writing this post, I got a 2.1s on a 3G connection.

Games 275

Games Ecommerce Cache Systems 275

CSS - Tricks

APRIL 1, 2021

Site performance is potentially the most important metric. Having a slow site might leave you on page 452 of search results, regardless of any other metric. Compressing, minifying and caching assets. Ideally, that’s something you or a designer would do when initially making the assets. Text-based assets.

Cache 92

Cache Social Media Media Website 92

Smashing Magazine

JANUARY 7, 2019

Performance isn’t just a technical concern: it matters, and when baking it into the workflow, design decisions have to be informed by their performance implications. Getting Ready: Planning And Metrics. Getting Ready: Planning And Metrics. Table Of Contents. Setting Realistic Goals. Defining The Environment. Build Optimizations.

Performance 103

Performance Cache Metrics Network 103

MachMetrics

JUNE 30, 2021

Core web vitals are modern performance metrics that analyze page speed signals that are crucial to providing a superior web experience. These metrics are highly useful to calculate the “page experience” of a page. Each metrics of the Core Web Vitals are measurable and reflects the real-world experience of a webpage.

Cache 78

Cache Speed Google Website 78