The Netflix TechBlog

SEPTEMBER 8, 2020

How we migrated our Android endpoints out of a monolith into a new microservice by Rohan Dhruva , Ed Ballot As Android developers, we usually have the luxury of treating our backends as magic boxes running in the cloud, faithfully returning us JSON. You can read more about this in our previous posts here: part 1 , part 2. It was a Node.js

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Latency Cache Java Traffic 233

Dynatrace

SEPTEMBER 13, 2023

In this blog post, we’ll demonstrate how Dynatrace automation and the Dynatrace Site Reliability Guardian can help you implement your applications according to all six AWS Well-Architected pillars by integrating them into your software development lifecycle (SDLC).

AWS 256

AWS Efficiency Azure Cloud 256

Scalegrid

DECEMBER 14, 2023

MongoDB drivers provide several options for Mongo clients to handle different network timeout errors that may occur during usage. The default time-outs can significantly influence the behavior of your application when there are network errors.

Java 130

Java Network Servers Database 130

Dynatrace

JUNE 1, 2023

More than half of CIOs confirmed that they often make tradeoffs among code quality, security, and reliability to meet the need for rapid software delivery. Note : you might hear the term latency used instead of response time. Both latency and response time are critical to ensure reliability.

Traffic 173

Traffic Latency Website Virtualization 173

Dynatrace

APRIL 5, 2021

AWS Lambda is a serverless compute service that can run code in response to predetermined events or conditions and automatically manage all the computing resources required for those processes. Customizing and connecting these services requires code. What is AWS Lambda? Where does Lambda fit in the AWS ecosystem?

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Lambda AWS Serverless Hardware 186

Dynatrace

OCTOBER 4, 2021

API monitoring captures and analyzes metrics that describe the vital aspects of an application’s performance, which can help developers gain a deeper understanding of the health and efficiency of the APIs they’re utilizing. For example, some developers may be using an old version of an API that will soon be deprecated.

Monitoring 186

Monitoring Latency Metrics Availability 186

Dynatrace

APRIL 8, 2024

In summary, the Dynatrace platform enables banks to do the following: Capture any data type: logs, metrics, traces, topology, behavior, code, metadata, network, security, web, and real-user monitoring data, and business events. Maximize performance for high-frequency and low-latency trading strategies. Break down data silos.

Analytics 210

Analytics Infrastructure Efficiency Technology 210

The Netflix TechBlog

AUGUST 30, 2021

When a new hardware device is connected, the Local Registry detects and collects a set of information about it, such as networking information and ESN. In particular, the flavor of Spring Boot Native maintained by the Runtime team is the basis for many of the web services developed inside Netflix (including the Cloud Registry).

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Scalegrid

MARCH 14, 2024

Effective hybrid cloud management requires robust tools and techniques for centralized administration, policy enforcement, cost management, and modern infrastructure practices like Infrastructure-as-Code (IaC) and containers. We will examine each of these elements in more detail.

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Strategy Cloud Artificial Intelligence Infrastructure 130

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 first—and often most surprising for people to learn—thing that I want to draw your attention to is that TTFB counts one whole round trip of latency. can all provide valuable insights. But what else is TTFB?

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Latency Ecommerce Servers Mobile 269

Scalegrid

MARCH 28, 2024

Introduction Caching serves a dual purpose in web development – speeding up client requests and reducing server load. Despite its advantages, Redis’s versatility can introduce complexities, potentially challenging developers familiar with simpler solutions such as Memcached.

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Cache Storage Scalability Architecture 130

Sutter's Mill

FEBRUARY 13, 2017

Tue-Thu Apr 25-27: High-Performance and Low-Latency C++ (Stockholm). On April 25-27, I’ll be in Stockholm (Kista) giving a three-day seminar on “High-Performance and Low-Latency C++.” If you’re interested in attending, please check out the links, and I look forward to meeting and re-meeting many of you there.

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Latency C++ Hardware Performance 51

Dynatrace

APRIL 6, 2022

Not just infrastructure connections, but the relationships and dependencies between containers, microservices , and code at all network layers. Observability can identify the baseline user experience and allow teams to improve it by optimizing page load times or reducing latency. See observability in action!

DevOps 238

DevOps Innovation Infrastructure Analytics 238

CSS Wizardry

MAY 31, 2019

It’s not uncommon for developers to link to static assets such as libraries or plugins that are hosted at a public/CDN URL. Penalty: Network Negotiation. By linking to three different origins in order to serve static assets, we cumulatively lose a needless 805ms to network negotiation. What Am I Talking About?

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The Netflix TechBlog

FEBRUARY 20, 2019

Today we are excited to announce latency heatmaps and improved container support for our on-host monitoring solution?—?Vector?—?to Remotely view real-time process scheduler latency and tcp throughput with Vector and eBPF What is Vector? to the broader community. Vector is open source and in use by multiple companies.

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Performance Latency Open Source Metrics 211

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. This is an ethical crisis for the frontend. 2023 Content Targets #.

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The Netflix TechBlog

FEBRUARY 9, 2021

by AIM Team Members Karen Casella , Travis Nelson , Sunny Singh ; with prior art and contributions by Justin Ryan , Satyajit Thadeshwar As most developers can attest, dealing with security protocols and identity tokens, as well as user and device authentication, can be challenging.

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Architecture Latency Servers Website 221

Percona

NOVEMBER 9, 2023

Applications are packaged into a single, lightweight container with their dependencies, typically including the application’s code, customizations, libraries, and runtime environment. Kubernetes manages and orchestrates these containers, handling tasks such as deployment, scaling, load balancing, and networking.

Efficiency 101

Efficiency Cloud Healthcare Open Source 101

Alex Russell

JANUARY 30, 2024

It's time once again to update our priors regarding the global device and network situation. Most sites, even those that aspire to be "lived in", feature short median sessions, which means we can't actually justify much in the way of up-front code, and first impressions always matter. What's changed since last year?

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Performance Network Mobile Speed 90

Dynatrace

MAY 27, 2021

It keeps application processing closer to the data to maintain higher bandwidth and lower latencies, adheres to compliance regulations that don’t yet approve cloud managed services, and allows data center capital investments to be fully amortized before moving to the cloud.

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AWS IoT Virtualization Infrastructure 131

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.

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Lambda Latency Cache C++ 98

Adrian Cockcroft

JANUARY 20, 2023

Most of the top supercomputers are similar to Frontier, they use AMD or Intel CPUs, with GPU accelerators, and Cray Slingshot or Infiniband networks in a Dragonfly+ configuration. The four categories still make sense: kernel managed network sockets, user mode message passing libraries, coherent memory interfaces, and on-chip communication.

Architecture 52

Architecture Latency Benchmarking AWS 52

High Scalability

SEPTEMBER 8, 2018

To meet user-defined goals for performance (request latency) and cost, the monitoring service tracks and adjusts resources to workload changes. This increases the cores and network bandwidth available to serve common requests. Anna Code: fluent-project/fluent. As you can imagine, that was unreasonably expensive.

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Storage Performance AWS Efficiency 199

All Things Distributed

JUNE 21, 2018

The answer for me is simple: Developers want their applications to be well architected and scale effectively. The days of the one-size-fits-all monolithic database are behind us, and developers are now building highly distributed applications using a multitude of purpose-built databases. The opposite is true.

Database 167

Database AWS Games Latency 167

Dotcom-Montior

NOVEMBER 24, 2021

There was a time when standing up a website or application was simple and straightforward and not the complex networks they are today. Web developers or administrators did not have to worry or even consider the complexity of distributed systems of today. The recipe was straightforward. Do you have a database? Do you have a web server?

Systems 74

Systems Monitoring Hardware Network 74

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. These subtypes are currently the only subtypes related to network requests and thus exposing the Server-Timing information. Setting Server-Timing. It’s Not Just About Time. — any freeform data that suits your needs.

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Servers Monitoring Cache Network 93

The Netflix TechBlog

FEBRUARY 9, 2021

The homepage needs to load in a reasonable amount of time, even in poor network conditions. Server-generated assets, since client-side generation would require the retrieval of many individual images, which would increase latency and time-to-render. First, the fields can be coded by hand.

Engineering 165

Engineering Storage Latency Entertainment 165

Smashing Magazine

SEPTEMBER 28, 2022

Every unnecessary bit of JavaScript code you bundle and serve will be more code the client has to load and process. The resource loading waterfall is a cascade of files downloaded from the network server to the client to load your website from start to finish. How will you serve blazingly fast code, then? Medium Homepage.

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Cache Performance Servers Social Media 126

Smashing Magazine

AUGUST 22, 2021

As we will see, QUIC and HTTP/3 indeed have great web performance potential, but mainly for users on slow networks. If your average visitor is on a fast cabled or cellular network, they probably won’t benefit from the new protocols all that much. Two-way latency is often called round-trip time (RTT).

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Performance Network Latency Servers 106

The Netflix TechBlog

JANUARY 24, 2022

Technically, “performance” metrics are those relating to the responsiveness or latency of the app, including start up time. It’s harder to reason about the performance profile of pre-production code since we can’t gather real-time metrics for code that hasn’t yet shipped. so are power levels and network bandwidth.

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Performance Metrics Performance Testing Testing 199

Smashing Magazine

AUGUST 3, 2023

A cornerstone of our business model lies in the development of effective landing pages. You need to beware that slow server response times can significantly increase TTFB, often due to server overload, network issues, or un-optimized logic on the server side. Adding to this complexity is the effect of seasonality.

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Performance Cache Traffic Metrics 74

All Things Distributed

JUNE 21, 2017

Development of DynamoDB was guided by the core set of distributed systems principles outlined in the Dynamo paper , resulting in an ultra-scalable and highly reliable database system. These interactions allow me to understand their emerging needs, which I take back to our development teams to further iterate on our services.

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Speed Cache Latency AWS 121

All Things Distributed

OCTOBER 25, 2018

The new AWS Africa (Cape Town) Region will have three Availability Zones and provide lower latency to end users across Sub-Saharan Africa. In December of that year, we opened the Amazon Development Center in Cape Town. In 2017, we brought the Amazon Global Network to Africa, through AWS Direct Connect.

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AWS Cloud Education Programming 167

CSS - Tricks

APRIL 1, 2021

The code for the site is available on GitHub for reference. It’s inherently tied to everything we build and develop. Redirects are often pretty light in terms of the latency that they add to a website, but they are an easy first thing to check, and they can generally be removed with little effort.

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Cache Social Media Media Network 92

The Netflix TechBlog

MARCH 6, 2019

Mounting object storage in Netflix’s media processing platform By Barak Alon (on behalf of Netflix’s Media Cloud Engineering team) MezzFS (short for “Mezzanine File System”) is a tool we’ve developed at Netflix that mounts cloud objects as local files via FUSE. in Atlas , Netflix’s in-memory dimensional time series database.

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Media Storage Processing Cache 214

Smashing Magazine

AUGUST 3, 2021

Lots can go wrong: a network request fails, a third-party library breaks, a JavaScript feature is unsupported (assuming JavaScript is even available), a CDN goes down, a user behaves unexpectedly (they double-click a submit button), the list goes on. How To Build Resilient JavaScript UIs. Callum Hart. 2021-08-03T11:00:00+00:00.

Network 145

Network Engineering Monitoring Availability 145

Brendan Gregg

AUGUST 18, 2019

It was created by Alastair Robertson, a talented UK-based developer who has previously won various coding competitions. For example, iostat(1), or a monitoring agent, may tell you your average disk latency, but not the distribution of this latency. watchpoint Memory watchpoint events (in development).

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Latency C++ Cache Programming 68