Speed Curve

FEBRUARY 5, 2024

Latency – How much time does it take to deliver a packet from A to B. This data is available by enabling the mPulse behavior in property manager. Definitely worth a read! Today, it's possible to add these headers from your CDN with ease, if they aren't already set up out of the box. Also measured by round trip time (RTT).

Servers 57

Servers Cache Retail Benchmarking 57

Dynatrace

JULY 10, 2019

What Dynatrace deployment is the best fit for your technology stack, and is the OneAgent compatible with your system? For example, the number of threads of your process is already available in Dynatrace in most cases, so there is no need to spend the extra effort. OneAgent & application metrics. Extending Dynatrace is easy!

Java 138

Java Best Practices Metrics Azure 138

IO River

NOVEMBER 2, 2023

Now, with viewers all over the world expecting flawless and high-definition streaming, video providers have their work cut out for them. This type of traffic originates directly from the server, making it more challenging to handle due to latency and server load considerations; it’s hard but not impossible. Those days are long gone.

Architecture 52

Architecture Performance Internet Internet 52

IO River

NOVEMBER 2, 2023

Now, with viewers all over the world expecting flawless and high-definition streaming, video providers have their work cut out for them. This type of traffic originates directly from the server, making it more challenging to handle due to latency and server load considerations; it’s hard but not impossible. Those days are long gone.

Architecture 52

Architecture Performance Internet Internet 52

KeyCDN

FEBRUARY 4, 2021

DNS, which stands for domain name system , is an Internet service that translates domains names into IP addresses. So DNS services definitely go down! Using a fast DNS hosting provider ensures there is less latency between the DNS lookup and TTFB. What is DNS? Speed Speed also plays a role with DNS.

Cache 134

Cache Website Internet Internet 134

The Morning Paper

MAY 21, 2019

” This paper describes a “far memory” system that has been in production deployment at Google since 2016. This boils down to a single digit µs latency toleration in the tail for far memory, and in addition to security and privacy concerns, rules out remote memory solutions. Enter zswap!

Software 78

Software Software Google Hardware 78

Dotcom-Montior

DECEMBER 8, 2021

Systems, web applications, servers, devices, etc., SREs and DevOps teams can use these incidents to build back better and improve their systems and services. Now that we have talked about what an incident is, incident management is the process by which teams resolve these events and bring systems and services back to normal operation.

Social Media 90

Social Media Monitoring Latency DevOps 90

The Morning Paper

NOVEMBER 24, 2019

This paper was published at OOPSLA, but perhaps it’s amongst the distributed systems community that I expect there to be the greatest interest. The paper sets the discussion in the context of geo-replicated distributed systems, but of course the same mechanisms could be equally useful in the context of local-first applications.

Strategy 104

Strategy Latency Systems Processing 104

ScaleOut Software

JULY 14, 2021

Azure Digital Twins for creating a graphical representation of the assets within an organization using the Digital Twin Definition Language, processing events, and visualizing entity graphs to display and query status. A health tracking device might indicate a combination of signals (blood pressure, blood oxygen, heart rate, etc.)

IoT 52

IoT Azure Analytics Serverless 52

Alex Russell

JANUARY 30, 2024

This split decision was available via last year's update , but was somewhat buried. the term "smartphone dependence" has been coined to describe folks without other ways to access the increasing fraction of essential services only available through the internet. Going forward, I'll produce both as top-line guidance. In the U.S.,

Performance 90

Performance Network Mobile Speed 90

Smashing Magazine

AUGUST 3, 2023

Core Web Vital metrics definitions. I know that is a lot of information to unpack in a single sitting, and it definitely took our team time to wrap our minds around what it takes to achieve a low LCP score. Note : Google plans to replace this metric with another one called Interaction to Next Paint (INP) beginning in 2024.

Performance 74

Performance Cache Traffic Metrics 74

Testsigma

DECEMBER 12, 2020

To ease out the web development, developers think of new ways to have a dedicated and organised system of sustainable websites such as subgrids. Let alone browsers, the website may get into trouble for different resolutions, different operating systems and different browser versions too!! Challenges In Cross-Browser Testing.

Testing 53

Testing Operating System Website Latency 53

Particular Software

JUNE 3, 2019

The availability of bandwidth increases at a staggering rate, but we're never happy. We now live in an age when it's possible to stream high definition TV, and yet we are not satisfied. Design systems to deal with limited bandwidth: See what Udi has to say in Day 1 of his Advanced Distributed Systems Design video course. "Goldilocks"

Latency 40

Latency Speed Network Strategy 40

Percona

MAY 15, 2023

The main reason behind this is that MySQL is a relational database system (RDBMS), and any data that is going to be written in it must respect the RDBMS rules. Normally this solution requires a full code redesign and could be quite difficult to achieve when it is injected after the initial code architecture definition. eu-central-1.elb.amazonaws.com

Traffic 127

Traffic Scalability Database Servers 127

The Morning Paper

SEPTEMBER 1, 2019

At the end of the day, you get the dual benefit of higher throughput and lower latency (as compared to coordination-based approaches) coupled with knowing that there isn’t some nasty invariant-violating concurrency bug waiting to bite you (so long as you specified your invariants and operation effects correctly of course!).

Database 42

Database Latency Games Design 42

All Things Distributed

DECEMBER 5, 2010

Werner Vogels weblog on building scalable and robust distributed systems. I am very excited that today we have launched Amazon Route 53, a high-performance and highly-available Domain Name System (DNS) service. Naming is one of the fundamental concepts in Distributed Systems. By Werner Vogels on 05 December 2010 02:00 PM.

Cloud 117

Cloud Internet Internet AWS 117

Alex Russell

JULY 14, 2021

The predominant desktop situation is relatively straightforward: Browsers handle links, and non-browsers defer loading http and https URLs to the system, which in turn invokes the default browser. Instead, they load content referred by their hosting native app in system-provided WebViews. The Baseline Scenario #. " you might ask?

Google 121

Google Mobile Engineering Internet 121

CSS - Tricks

MARCH 16, 2020

Google Lighthouse is one of the best-automated tools available on a web developer's utility belt. If not, then check your Node installation is working and you’re definitely in the correct project directory. module called fs (short for "file system"). If your latency is higher than 50ms, users may perceive your app as laggy.

Google 82

Google Latency Website Metrics 82

Percona

MAY 2, 2023

As a MongoDB user, it’s crucial to ensure that your data is safe and secure in the event of a disaster or system failure. Regular database backups are essential to protect against data loss caused by system failures, human errors, natural disasters, or cyber-attacks. Hence, the node would still be available for other operations.

Best Practices 52

Best Practices Database Storage Servers 52

Abhishek Tiwari

DECEMBER 27, 2017

Kubernetes has all necessary primitives available to make it happen. A good example will be something like Pachyderm [8] [9] - a relatively young project which implements a distributed Pachyderm File System (PFS) and a data-aware scheduler Pachyderm Pipeline System (PPS) on top of Kubernetes.

Big Data 63

Big Data Storage Benchmarking Hardware 63

The Netflix TechBlog

JUNE 13, 2023

Migrating Critical Traffic At Scale with No Downtime — Part 2 Shyam Gala , Javier Fernandez-Ivern , Anup Rokkam Pratap , Devang Shah Picture yourself enthralled by the latest episode of your beloved Netflix series, delighting in an uninterrupted, high-definition streaming experience. This is where large-scale system migrations come into play.

Traffic 279

Traffic Metrics Systems Strategy 279

The Netflix TechBlog

JUNE 14, 2023

And we definitely couldn’t replay test non-functional requirements like caching and logging user interaction. To determine customer impact, we could compare various metrics such as error rates, latencies, and time to render. The AB experiment results hinted that GraphQL’s correctness was not up to par with the legacy system.

Traffic 353

Traffic Latency Cache Metrics 353

High Scalability

FEBRUARY 19, 2021

As a basis for that discussion, first some definitions: Dependability The degree to which a product or service can be relied upon. Availability and Reliability are forms of dependability. Availability The degree to which a product or service is available for use when required. Availability, reliability, and state.

Engineering 215

Engineering Systems Scalability Availability 215

KeyCDN

SEPTEMBER 12, 2019

This can be a problem in a lot of content management systems such as WordPress or Magento, because theme developers tend to scale images down in responsive themes using CSS. The PHP library for the API is available on GitHub. It is usually recommended that you upload images at scale. KB (30%) without losses.

Social Media 106

Social Media Media Google Website 106

O'Reilly Software

APRIL 4, 2018

Are there inherent time relationships in the messages that need to be preserved as they travel across the system? They have a clear input and output definition, and often a schema as well. When we work on a single machine, the operating system takes care of managing the resources allocated to applications. At least once?

Architecture 80

Architecture Scalability Google Operating System 80

The Netflix TechBlog

JULY 26, 2021

From the moment a Netflix film or series is pitched and long before it becomes available on Netflix, it goes through many phases. Operational Reporting is a reporting paradigm specialized in covering high-resolution, low-latency data sets, serving detailed day-to-day activities¹ and processes of a business domain.

Big Data 253

Big Data Government Analytics Processing 253

John McCalpin

JULY 23, 2018

When running a single user thread, you will often get the advertised single-core Turbo frequency, but if the operating system enables more cores to handle (even very short-lived) background processes, your frequency may drop unexpectedly. With Turbo mode enabled, Intel processors will change their frequency based on how many cores are active.

Code 45

Code Programming Latency Testing 45

Alex Russell

OCTOBER 22, 2017

Tools and CI systems help them monitor progress & prevent regressions. If our example document wasn’t reliant on JavaScript to construct the <my-app> custom element, the contents of the document would likely be interactive as soon as enough CSS and content was available to render meaningfully. How long is too long?

Performance 68

Performance Benchmarking Network Mobile 68

Alex Russell

MARCH 6, 2021

Modern network performance and availability. Sadly, data on latency is harder to get, even from Google's perch, so progress there is somewhat more difficult to judge. Indeed, some large sites I've worked with have built device model databases to bucket traffic based on system RAM to decide which versions/features to serve.

Performance 124

Performance Network Cache Metrics 124

O'Reilly Software

MARCH 7, 2018

Build a more scalable, composable, and functional architecture for interconnecting systems and applications. Welcome to a new world of data-driven systems. Today, data needs to be available at all times, serving its users—both humans and computer systems—across all time zones, continuously, in close to real time.

Transportation 72

Transportation Java Programming Architecture 72

Brendan Gregg

SEPTEMBER 5, 2017

What follows are topics that may be of interest to anyone looking to migrate their systems and skillset: scan these to find topics that interest you. ## ZFS ZFS is available for Linux via the [zfsonlinux] and [OpenZFS] projects, and more recently was included in Canonical's Ubuntu Linux distribution: Ubuntu Xenial 16.04

Virtualization 76

Virtualization AWS Engineering Hardware 76

Smashing Magazine

JANUARY 11, 2021

Usually, the most specific and relevant ones are: Time to Interactive (TTI) The point at which layout has stabilized , key webfonts are visible, and the main thread is available enough to handle user input — basically the time mark when a user can interact with the UI. Large preview ). Large preview ).

Performance 145

Performance Cache Media Metrics 145

SQL Server According to Bob

JANUARY 11, 2020

This will help you increase system performance and avoid I/O environment errors. Important When planning, deploying, and maintaining a Microsoft SQL Server installation, ensure that the I/O system supports all the factors outlined in this article. The modifications persist even in the event of a system failure.

Servers 40

Servers Cache Media Hardware 40

The Netflix TechBlog

DECEMBER 21, 2020

Use cases We found several use cases where a system like AutoOptimize can bring tons of value. Merge As the data lands into the data warehouse through real-time data ingestion systems, it comes in different sizes. Previously we had our homegrown system called Ursula responsible for data ingestion into the Hive based warehouse.

Storage 203

Storage Latency Efficiency Data Engineering 203

The Netflix TechBlog

FEBRUARY 9, 2021

In particular, it’s our job to design and build the systems and protocols that enable customers from all over the world to sign up for Netflix with the plan features and incentives that best suit their needs. Plans & Offers Definitions Let’s define what a plan and an offer is at Netflix.

Engineering 142

Engineering Scalability Architecture Innovation 142

Smashing Magazine

JANUARY 6, 2020

Usually, the most specific and relevant ones are: Time to Interactive (TTI) The point at which layout has stabilized, key webfonts are visible, and the main thread is available enough to handle user input — basically the time mark when a user can interact with the UI. Getting started with Webpack can be tough though.

Performance 145

Performance Cache Network Metrics 145

All Things Distributed

JULY 14, 2015

In this blog post, I will explain how these three new capabilities empower you to build applications with distributed systems architecture and create responsive, reliable, and high-performance applications using DynamoDB that work at any scale. DynamoDB Streams simplifies and improves this design pattern with a distributed systems approach.

Database 167

Database Lambda AWS IoT 167