Percona

DECEMBER 19, 2022

include: Offline metric collection during PMM server outages or loss of PMM client-server network connectivity. Client-side caching minimizes potential for metrics loss. This feature is now available in the latest release of PMM. Some of the key highlights of PMM V2.33 PMM HA will be rolled out in three stages.

Metrics 52

Metrics Monitoring Servers Open Source 52

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

Database uptime and availability Monitoring database uptime and availability is crucial as it directly impacts the availability of critical data and the performance of applications or websites that rely on the MySQL database. One of the possible improvements in lag would be utilizing Parallel Replication.

Performance 108

Performance Monitoring Traffic Database 108

Scalegrid

APRIL 16, 2020

Each of these models is suitable for production deployments and high traffic applications, and are available for all of our supported databases, including MySQL , PostgreSQL , Redis™ and MongoDB® database ( Greenplum® database coming soon). This becomes really important for cache solutions like Redis™. Startup Hosting Credits.

Cloud 242

Cloud Azure AWS Database 242

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?

Google 364

Google Media Latency Metrics 364

CSS Wizardry

AUGUST 7, 2019

However, one metric I feel that front-end developers overlook all too quickly is Time to First Byte (TTFB). The reason is because mobile networks are, as a rule, high latency connections. only to find that the resource they’re requesting isn’t in that PoP ’s cache. can all provide valuable insights.

Latency 269

Latency Ecommerce Servers Mobile 269

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. Suppose a user has only downloaded part of the cache.

Cache 82

Cache Government Traffic Network 82

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. Caching of query results on the other hand, looks like a good business model, at large enough scale these might amount to pretty much the same thing). Market participants. web pages).

Blockchain 94

Blockchain Internet Internet IoT 94

Speed Curve

DECEMBER 13, 2023

Are you using a content delivery network (CDN) to bring elements like images closer to your users, so that delivery times are faster? Are you compressing and caching the right things? It shows how key metrics align with the rendering timeline (the filmstrip view at the top of the chart). Are images optimized?

Performance 67

Performance Retail Benchmarking Ecommerce 67

All Things Distributed

NOVEMBER 26, 2013

As I discussed in my re:Invent keynote earlier this month, I am now happy to announce the immediate availability of Amazon RDS Cross Region Read Replicas , which is another important enhancement for our customers using or planning to use multiple AWS Regions to deploy their applications. Cross Region Read Replicas are available for MySQL 5.6

Cloud 145

Cloud AWS Traffic Latency 145

Scalegrid

DECEMBER 21, 2023

Buckle up as we delve into the world of Redis® monitoring, exploring the most important Redis® metrics, discussing essential tools, and even peering into the future of Redis® performance management. Identifying key Redis® metrics such as latency, CPU usage, and memory metrics is crucial for effective Redis monitoring.

Strategy 130

Strategy Monitoring Latency DevOps 130

Adrian Cockcroft

JANUARY 29, 2023

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 ). This seems reasonable overhead for a real time algorithm that could be applied to histogram data as part of a metric collection pipeline. >

Lambda 98

Lambda Latency Cache C++ 98

Smashing Magazine

JANUARY 15, 2019

The key metric for measuring the sustainability of a digital product is its energy usage. This includes the work done by the server, the client and the intermediary communications networks that transmit data between the two. An obvious metric here is CPU usage, but memory usage and other forms of data storage also play their part.

Website Performance 73

Website Performance Website Energy Performance 73

The Netflix TechBlog

JUNE 14, 2023

The GraphQL shim enabled client engineers to move quickly onto GraphQL, figure out client-side concerns like cache normalization, experiment with different GraphQL clients, and investigate client performance without being blocked by server-side migrations. So, we relied on higher-level metrics-based testing: AB Testing and Sticky Canaries.

Traffic 353

Traffic Latency Cache Metrics 353

Brendan Gregg

AUGUST 18, 2019

bpftrace is suited for this kind of analysis: decomposing metrics into distributions or per-event logs, and creating new metrics for visibility into blind spots. This example instrumented one of many thousands of available events. You can use bpftrace via one-liners or scripts, and it ships with many prewritten tools.

Latency 68

Latency C++ Cache Programming 68

Smashing Magazine

NOVEMBER 2, 2021

Moreover, Garten-und-Freizeit, a German e-commerce store that sells furniture, saw an amazing improvement in their metrics after getting a PWA. But this “look” is now available in browsers. To specify, users can continue using those parts of the site that were cached if the Internet connection is unstable or when offline.

Code 74

Code Cache Retail Mobile 74

SQL Performance

SEPTEMBER 17, 2019

Caches of report results are stored in the ReportServerTempDB database and I/O performance can become an issue here. Benefits of a scale-out deployment include giving customers load balancing for higher throughput, high availability, as well as the ability to segment report server processing. Reporting Services Infrastructure.

Tuning 67

Tuning Servers Database Best Practices 67

Percona

JUNE 22, 2023

To make data count and to ensure cloud computing is unabated, companies and organizations must have highly available databases. This guide provides an overview of what high availability means, the components involved, how to measure high availability, and how to achieve it. How does high availability work?

Availability 112

Availability Database Open Source Hardware 112

The Netflix TechBlog

NOVEMBER 23, 2020

Introducing gnmi-gateway: a modular, distributed, and highly available service for modern network telemetry via OpenConfig and gNMI By: Colin McIntosh, Michael Costello Netflix runs its own content delivery network, Open Connect , which delivers all streaming traffic to our members.

Open Source 186

Open Source Network Transportation Cache 186

Smashing Magazine

AUGUST 3, 2023

Google’s Core Web Vitals is a set of performance metrics that site owners can use to evaluate performance and diagnose performance issues. These metrics provide a different perspective on user experience: Largest Contentful Paint (LCP) Measures the time it takes for the main content on a webpage to load. One of the key Next.js

Performance 74

Performance Cache Traffic Metrics 74

Smashing Magazine

OCTOBER 31, 2023

It may even be something you do regularly with Lighthouse in Chrome DevTools, where testing is freely available and produces a very attractive-looking report. But do you know how Lighthouse calculates performance metrics like First Contentful Paint (FCP), Total Blocking Time (TBT), and Cumulative Layout Shift (CLS)?

Speed 97

Speed Google Website Metrics 97

Smashing Magazine

NOVEMBER 22, 2021

While mobile devices have come a long way in terms of network and CPU speed, many of them are still significantly underpowered when compared to desktops, especially in countries where mobile connectivity is still poor. Better tooling and metrics standardization. In other words, the field lacked standardization.

Website 126

Website Performance Google Media 126

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. The code for the site is available on GitHub for reference. In DevTools, the Network inspector helps us see what the first webpage is doing too.

Cache 92

Cache Social Media Media Website 92

Smashing Magazine

FEBRUARY 27, 2024

If you haven’t heard, INP is replacing the First Input Delay (FID) metric, something you can read all about here on Smashing Magazine as a guide to prepare for the change. We can use it to report the load time of elements on the page, even going so far as to report on Core Web Vitals metrics in real time.

Performance 95

Performance Metrics Monitoring Google 95

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). N+1 Query Pattern.

Cache 199

Cache Database Architecture Government 199

Smashing Magazine

MAY 16, 2022

This header can be set on the response of any network resource, such as XHR, fetch, images, HTML, stylesheets, etc. The header is constructed via a name with an optional description and/or metric value. These subtypes are currently the only subtypes related to network requests and thus exposing the Server-Timing information.

Servers 92

Servers Monitoring Cache Network 92

All Things Distributed

SEPTEMBER 3, 2013

Choosing your database architecture may be the most critical decision you’ll make and has a disproportionate impact on the performance, scalability, and availability of your app. Get it right and your application will seamlessly scale from hundreds to tens of millions of users without difficulty, while remaining performant and available.

Cache 129

Cache Cloud Performance Retail 129

Smashing Magazine

MARCH 7, 2022

That user preference is available in two (hopefully soon to be three!) This is available behind a flag in Chrome, but not yet on by default while it finishes standardization. This is helpful for those on poor or expensive networks, so they don’t have to pay an exorbitant cost just to visit your website. Save Data API.

Website 103

Website Media Mobile Network 103

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. Using a data-driven approach to size Azure resources, Dynatrace OneAgent captures host metrics out-of-the-box to assess CPU, memory, and network utilization on a VM host.

Azure 190

Azure Monitoring Virtualization Metrics 190

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 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

Smashing Magazine

JULY 29, 2019

Failing that, we are usually able to connect to home or public WiFi networks that are on fast broadband connections and have effectively unlimited data. The speed of mobile networks, too, varies considerably between countries. As for mobile network connection type, 84.7% For reference, the metric is $1.19 Mbps upload.

Cache 96

Cache Google Mobile Network 96

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. Mobile image transfer size by year graphic from Media, Images, Web Almanac 2021 chapter.

Media 105

Media Cache Website Mobile 105

Alex Russell

DECEMBER 18, 2022

TL;DR : To serve users at the 75 th percentile ( P75 ) of devices and networks, we can now afford ~150KiB of HTML/CSS/fonts and ~300-350KiB of JavaScript (gzipped). This is a slight improvement on last year's budgets , thanks to device and network improvements. Networks #. This is an ethical crisis for the frontend.

Performance 113

Performance Network Mobile Latency 113

Highly Scalable

AUGUST 20, 2013

The whole point of this section is that all the algorithms above can be naturally implemented using a message passing architectural style i.e. the query execution engine can be considered as a distributed network of nodes connected by the messaging queues. It is conceptually similar to the in-stream processing pipelines. Pipelining.

Big Data 154

Big Data Processing Lambda Database 154

Alex Russell

APRIL 29, 2021

This post mines publicly available data on the pace of compatibility fixes and feature additions to assess the claim. Another window into this question is provided by the Web Confluence Metrics project. Count of APIs available from JavaScript by Web Confluence. Still not available for iOS or iPadOS. Higher is better.

Media 145

Media Games Education Engineering 145

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. What is Multi-CDN?A Multi-CDN is the practice of employing a number of CDN providers simultaneously.

Best Practices 52

Best Practices Strategy Traffic Virtualization 52