CSS Wizardry

OCTOBER 16, 2023

Plotted on the same horizontal axis of 1.6s, the waterfalls speak for themselves: 201ms of cumulative latency; 109ms of cumulative download. 4,362ms of cumulative latency; 240ms of cumulative download. When we talk about downloading files, we—generally speaking—have two things to consider: latency and bandwidth. It gets worse.

Cache 291

Cache Latency Strategy Speed 291

Dynatrace

DECEMBER 22, 2019

To reduce your CloudWatch costs and throttling, you can now select from additional services and metrics to monitor. Get up to 300 new AWS metrics out of the box. Dynatrace ingests AWS CloudWatch metrics for multiple preselected services. Amazon ElastiCache (see AWS documentation for Memcached and Redis ). Amazon Aurora.

AWS 137

AWS Metrics IoT Storage 137

Dynatrace

DECEMBER 22, 2019

To reduce your CloudWatch costs and throttling, you can now select from additional services and metrics to monitor. Get up to 300 new AWS metrics out of the box. Dynatrace ingests AWS CloudWatch metrics for multiple preselected services. Amazon ElastiCache (see AWS documentation for Memcached and Redis ). Amazon Aurora.

AWS 133

AWS Metrics IoT Storage 133

Dynatrace

JANUARY 31, 2024

Bringing together metrics, logs, traces, problem analytics, and root-cause information in dashboards and notebooks, Dynatrace offers an end-to-end unified operational view of cloud applications. To leverage these integrations and embark on a journey toward optimized AI performance, explore our documentation for seamless onboarding.

Cache 209

Cache Azure Infrastructure Monitoring 209

Dynatrace

JANUARY 13, 2022

Real user monitoring collects data on a variety of metrics. For example, data collected on load actions can include navigation start, request start, and speed index metrics. Real user monitoring works by injecting code into an application to capture metrics while the application is in use. How real user monitoring works.

Monitoring 184

Monitoring Latency Mobile Best Practices 184

The Netflix TechBlog

SEPTEMBER 8, 2020

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. After some consultation with our backend teams, we determined the most effective way to group these metrics were by UI screen.

Latency 233

Latency Cache Java Traffic 233

Scalegrid

JANUARY 19, 2024

Therefore, companies must carefully consider key performance metrics and methodologies to stay relevant and successful in timely and trend-oriented markets. By incorporating journaling into MongoDB, data integrity is maintained while reducing latency for writing, ultimately improving the overall stability and performance of the database.

Database 130

Database Network Servers Monitoring 130

The Netflix TechBlog

NOVEMBER 2, 2021

In particular, the VMAF metric lies at the core of improving the Netflix member’s streaming video quality. This enables us to use our scale to increase throughput and reduce latencies. Here, based on the video length, the throughput and latency requirements, available scale etc., Assembly for two of the metrics (e.g.

Media 171

Media Innovation Metrics Latency 171

Scalegrid

DECEMBER 16, 2019

It’s a cross-platform document-oriented database that uses JSON-like documents with schema, and is leveraged broadly across startup apps up to enterprise-level businesses developing modern apps. MongoDB is the #3 open source database and the #1 NoSQL database in the world. DigitalOcean Droplets.

Azure 187

Azure AWS Latency Database 187

Alex Russell

FEBRUARY 28, 2022

The metrics that we report against implicitly cleave these into different "camps", leaving us thinking about pre- and post-load as distinct universes. The chief effect of the architectural difference is to shift the distribution of latency within the loop. Improving latency for one scenario can degrade it in another.

Performance 104

Performance Latency Architecture Network 104

The Netflix TechBlog

AUGUST 22, 2019

The challenges with service management included: Stale documentation OS Updates High cognitive overhead A lack of continuous testing Scaling Image Creation Our existing AMI baking tool Aminator does not support Windows so we had to leverage other tools. Services are more reliable, testable, and documented.

DevOps 207

DevOps AWS Tuning Infrastructure 207

The Netflix TechBlog

AUGUST 30, 2021

Thus, the implemented solution must integrate with Netflix Spring facilities for authentication and metrics support at the very minimum?—?the By the following morning, alerts were received regarding high memory consumption and GC latencies, to the point where the service was unresponsive to HTTP requests. million elements.

Latency 213

Latency Traffic Transportation Hardware 213

CSS Wizardry

MAY 19, 2020

For each test, I captured the following metrics: First Paint (FP): To what extent is the critical path affected? I’m happy to say, for the metrics that matter the most, we are 700–1,200ms faster. Visually complete was 200ms faster , but any first- metrics were untouched. On a high-latency connection, this spells bad news.

Google 364

Google Media Latency Metrics 364

The Netflix TechBlog

SEPTEMBER 2, 2020

Tracing as a foundation Logs, metrics, and traces are the three pillars of observability. Metrics communicate what’s happening on a macro scale, traces illustrate the ecosystem of an isolated request, and the logs provide a detail-rich snapshot into what happened within a service. starting and finishing a method).

Latency 296

Latency Transportation Engineering Traffic 296

Dynatrace

JULY 10, 2019

Dynatrace monitors your full stack and offers you thousands of metrics with almost zero configuration. This article we help distinguish between process metrics, external metrics and PurePaths (traces). OneAgent & application metrics. OneAgent & cloud metrics. Dynatrace news.

Java 140

Java Best Practices Metrics Azure 140

All Things Distributed

JUNE 21, 2018

In response to these needs, developers now have the choice of relational, key-value, document, graph, in-memory, and search databases. Use cases such as gaming, ad tech, and IoT lend themselves particularly well to the key-value data model where the access patterns require low-latency Gets/Puts for known key values. Build on.

Database 167

Database AWS Games Latency 167

Adrian Cockcroft

JANUARY 29, 2023

The mean and percentile measurements hide this structure, but the rest of this post will show how the structure can be measured and analyzed so that you can figure out a useful model of your system, understand what is driving the long tail of latencies and come up with better SLAs and measures of capacity.

Lambda 98

Lambda Latency Cache C++ 98

Smashing Magazine

MAY 16, 2022

This allows resource requests, including the HTML document itself, to be enriched with data during its lifecycle, and that information can be inspected for measuring the attributes of that resource! The header is constructed via a name with an optional description and/or metric value. The only required field is the name.

Servers 93

Servers Monitoring Cache Network 93

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

Alex Russell

MAY 9, 2022

This is a complex topic, but to borrow from a recent post , web performance expands access to information and services by reducing latency and variance across interactions in a session, with a particular focus on the tail of the distribution (P75+). Engagement: Poor performance has a well-documented relationship to reduced engagement.

Performance 86

Performance Latency Metrics Engineering 86

Alex Russell

DECEMBER 18, 2022

The talks are up on YouTube , including my own (behind a paywall, but the slides are freely available [1] ): The talk, like this post, is an update on network and CPU realities this series has documented since 2017. The web performance community should eventually come to a more session-depth-weighted understanding of metrics and goals.

Performance 113

Performance Network Mobile Latency 113

The Netflix TechBlog

MARCH 13, 2020

Compared to the most recent master version of libaom (AV1 reference software), SVT-AV1 is similar in compression efficiency and at the same time achieves significantly lower encoding latency on multi-core platforms when using its inherent parallelization capabilities. The plot shows the results of the 2-pass encoding mode in both codecs.

Open Source 154

Open Source Efficiency C++ Speed 154

Smashing Magazine

MARCH 25, 2021

With clearly documented performance goals, various teams can have meaningful conversations about the optimal delivery of content. However, having a performance budget as a standalone metric might not be of much help. CDNs can alleviate last-mile latency, shorten a video’s start time, and potentially reduce buffering issues.

Media 118

Media Performance Mobile Latency 118

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. So noticeable, in fact, that Core Web Vitals has a metric all about it called Largest Contentful Paint (LCP). This gives us the illusion of a background image.

Media 73

Media Metrics Mobile Best Practices 73

All Things Distributed

JULY 20, 2015

This architecture affords Amazon ECS high availability, low latency, and high throughput because the data store is never pessimistically locked. As you can see, the latency remains relatively jitter-free despite large fluctuations in the cluster size. latency and stability) with Empire as well as security benefits.

Latency 166

Latency Architecture AWS Open Source 166

Smashing Magazine

MAY 20, 2020

Which metrics should I use?” Which values of these metrics are acceptable?”. The metrics selection is outside of the scope of this article and depends highly on the project context, but I recommend that you start by reading User-centric Performance Metrics by Philip Walton. Adding 20% to them and set as your next goals.

Performance 99

Performance Metrics Best Practices Code 99

Alex Russell

MARCH 6, 2021

Unless a site is installed to the home screen as a PWA , any single page is just another in a series of documents that users experience as a river of links. The scale of the effect can be deeply situational or hard to suss out without solid metrics. Performance work often focuses on high percentile users (the slowest), after all.

Performance 124

Performance Network Cache Metrics 124

HammerDB

OCTOBER 23, 2023

Note that for all tests, we used the local loopback address and port to provide the lowest possible network latency between client and server and also so we don’t have any concerns about bandwidth limitations. Use the performance metrics available in the database first before looking at data further down in the stack.

Benchmarking 62

Benchmarking Database Network C++ 62

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

Dotcom-Montior

DECEMBER 8, 2021

An organization’s response to an incident, whether we are talking about downtime, security breaches or cyber-attacks, or even prolonged latency and repeated errors, is critical to the continued success of the business and trust from the customer or end user. Incident Management Lifecyle: Process and Steps.

Social Media 90

Social Media Monitoring Latency DevOps 90

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. Main-document scrolling (assuming no active touch listeners).

Performance 68

Performance Benchmarking Network Mobile 68

The Morning Paper

JULY 7, 2019

In addition to availability, our respondents focus most heavily on supporting the following data attributes: “accessibility, accuracy, authoritativeness, freshness, latency, structuredness, ontological typing, connectedness, and semantic joinability.” To address this, rigorous rollout processes are required.

Software Engineering 92

Software Engineering Engineering Software Software 92

Adrian Cockcroft

APRIL 18, 2018

Juvenal Photo taken in Lisbon Portugal by Adrian Cockcroft The documentation for most monitoring tools describes how to use that tool in isolation, often as if no other tools exist, but sometimes with ways to import or export some of the data to other tools. This can cause confusion and delay resolution of an incident.

Monitoring 40

Monitoring Systems Virtualization Metrics 40

The Morning Paper

FEBRUARY 23, 2020

How’s that going to work given what we know about the throughput and latency of blockchains, and the associated mining costs?" 10 minutes) with the bookkeeping metrics for each batch written to the blockchain. A contractor must serve the minimum number of records within each period. Periods (e.g.

Blockchain 94

Blockchain Internet Internet IoT 94

Testsigma

AUGUST 24, 2020

Teams often resort to using in-house test automation tools or frameworks which are neither well-documented nor well-maintained. Maintaining test data in a central repository and then accessing it from different test environments may ease this problem but may introduce other issues like network latency in tests.

Testing 69

Testing Open Source Scalability Latency 69

All Things Distributed

JANUARY 18, 2012

Amazon DynamoDB offers low, predictable latencies at any scale. This is not just predictability of median performance and latency, but also at the end of the distribution (the 99.9th percentile), so we could provide acceptable performance for virtually every customer. s read latency, particularly as dataset sizes grow.

Scalability 167

Scalability Database Ecommerce Latency 167

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. I’m going to update my referenced URL to the new site to help decrease latency that adds drag to the initial page load. billion if the site slowed down by just one second.

Cache 92

Cache Social Media Media Network 92