The Morning Paper

SEPTEMBER 5, 2019

For response times (latencies) reporting a simple metric such as ‘average’ is next to useless. Instead we want to understand what’s happening at different latency percentiles (e.g For reasons we’ll see shortly though, none of those were good enough for Datadog, so they developed their own sketching data structure, DDSketch.

Latency 52

Latency Metrics Open Source Java 52

Percona

JULY 20, 2023

We often forget or take for granted the network hops involved and the additional overhead it creates on the overall performance. TCP/IP connection, triggered me to write about other aspects of network impact on performance. How to detect and measure the impact There is no easy mechanism for measuring the impact of network overhead.

Network 64

Network Performance Latency Servers 64

The Morning Paper

NOVEMBER 10, 2019

Snap: a microkernel approach to host networking Marty et al., This paper describes the networking stack, Snap , that has been running in production at Google for the last three years+. The desire for CPU efficiency and lower latencies is easy to understand. Upgrades are also rolled out progressively across the cluster of course.

Network 92

Network Transportation Latency Entertainment 92

Scalegrid

FEBRUARY 8, 2024

Durability Availability Fault tolerance These combined outcomes help minimize latency experienced by clients spread across different geographical regions. By breaking up large datasets into more manageable pieces, each segment can be assigned to various network nodes for storage and management purposes.

Storage 130

Storage Systems Big Data Azure 130

KeyCDN

SEPTEMBER 12, 2019

The file size of your images of course is very important, but SEO and social media also play an important part in helping your website perform and convert better. 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.

Social Media 106

Social Media Media Google Website 106

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.

Latency 51

Latency C++ Hardware Performance 51

All Things Distributed

MARCH 26, 2018

Even though the network design for each data center is massively redundant, interruptions can still occur. No two zones are allowed to share low-level core dependencies, such as power supply or a core network. Availability Zones run deep in our AWS development and operations culture, at every level. Regional isolation.

AWS 132

AWS Latency Lambda Architecture 132

Alex Russell

JANUARY 30, 2024

It's time once again to update our priors regarding the global device and network situation. seconds on the target device and network profile, consuming 120KiB of critical path resources to become interactive, only 8KiB of which is script. It's clear that developers are out of touch with market ground-truth , but it's not obvious why.

Performance 90

Performance Network Mobile Speed 90

CSS - Tricks

APRIL 1, 2021

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. In DevTools, the Network inspector helps us see what the first webpage is doing too.

Cache 92

Cache Social Media Media Website 92

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

The Agile Manager

JULY 9, 2010

Instead of producing large returns, of course, investment banking can produce large losses. Of course, these complex properties don't make them "high value added" services. We've put everything from disks to development under the heading of "technology" in most companies, because we've had no other way of looking at it.

Retail 45

Retail Technology Technology Small Business 45

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).

Performance 105

Performance Network Latency Servers 105

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.

AWS 167

AWS Cloud Education Programming 167

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+). Consistent performance matters just as much as low average latency.

Performance 86

Performance Latency Metrics Engineering 86

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 40

Best Practices Strategy Traffic Virtualization 40

The Morning Paper

FEBRUARY 6, 2020

The key ingredients of Cloudburst are a highly-scalable key-value store for persistent state ( Anna ), local caches co-located with function execution environments, and cache-consistency protocols to preserve developer sanity while data is moved in and out of those caches. Updates should be allowed at any function invocation site.

Lambda 98

Lambda Serverless Cache Latency 98

The Morning Paper

JUNE 23, 2019

Why are developers using RInK systems as part of their design? In ProtoCache (a component of a widely used Google application), 27% of its latency when using a traditional S+RInK design came from marshalling/un-marshalling. The network latency of fetching data over the network, even considering fast data center networks.

Cache 79

Cache Latency Google Lambda 79

Alex Russell

MARCH 6, 2021

Thanks to progress in networks and browsers (but not devices), a more generous global budget cap has emerged for sites constructed the "modern" way: ~100KiB of HTML/CSS/fonts and ~300-350KiB of JS (compressed) is the new rule-of-thumb limit for at least the next year or two. Modern network performance and availability.

Performance 124

Performance Network Cache Metrics 124

Highly Scalable

SEPTEMBER 18, 2012

These developments gradually highlight a system of relevant database building blocks with proven practical efficiency. Historically, NoSQL paid a lot of attention to tradeoffs between consistency, fault-tolerance and performance to serve geographically distributed systems, low-latency or highly available applications. Data Placement.

Database 213

Database Latency C++ Scalability 213

The Netflix TechBlog

DECEMBER 2, 2019

To do this, we have teams of experts that develop more efficient video and audio encodes , refine the adaptive streaming algorithm , and optimize content placement on the distributed servers that host the shows and movies that you watch. To make this happen, we developed an effective data compression technique by cleverly bucketing our data.

Metrics 143

Metrics Strategy Efficiency Testing 143

The Netflix TechBlog

DECEMBER 2, 2019

To do this, we have teams of experts that develop more efficient video and audio encodes , refine the adaptive streaming algorithm , and optimize content placement on the distributed servers that host the shows and movies that you watch. To make this happen, we developed an effective data compression technique by cleverly bucketing our data.

Metrics 140

Metrics Strategy Efficiency Testing 140

The Morning Paper

MARCH 3, 2020

This work is latency critical, because volume IO is blocked until it is complete. Physalia is designed to offer consistency and high-availability, even under network partitions. And, of course, it is designed to minimise the blast radius of any failures that do occur. Larger cells have better tolerance of tail latency (e.g.

Database 106

Database AWS Network Design 106

The Netflix TechBlog

DECEMBER 2, 2019

To do this, we have teams of experts that develop more efficient video and audio encodes , refine the adaptive streaming algorithm , and optimize content placement on the distributed servers that host the shows and movies that you watch. To make this happen, we developed an effective data compression technique by cleverly bucketing our data.

Metrics 130

Metrics Strategy Efficiency Testing 130

All Things Distributed

MAY 13, 2012

With just one click you can enable content to be distributed to the customer with low latency and high-reliability. Of course non-AWS origins are also permitted. This is in addition to the existing optimizations of routing viewers to the edge location with lowest latency for that user, and also persistent connections with the clients.

Cache 117

Cache Latency AWS Website 117

The Netflix TechBlog

JANUARY 24, 2022

Technically, “performance” metrics are those relating to the responsiveness or latency of the app, including start up time. Both of these metrics will fluctuate over the course of a test, so we post metric values at regular intervals throughout the test. so are power levels and network bandwidth. What do we mean by Performance?

Performance 199

Performance Metrics Performance Testing Testing 199

All Things Distributed

DECEMBER 12, 2018

Starting today, developers, startups, and enterprises—as well as government, education, and non-profit organizations—can use the new AWS Europe (Stockholm) Region. They can run applications in Sweden, serve end users across the Nordics with lower latency, and leverage advanced technologies such as containers, serverless computing, and more.

AWS 124

AWS Cloud Games Serverless 124

The Morning Paper

JANUARY 26, 2020

First, Reverb tracks precise value provenance , allowing a developer to quickly identify the reads and writes to JavaScript state that affected a particular variable’s value. If the edit creates a new, unlogged network request, then the replay framework must inject new network events into the log. Is that really feasible?

Programming 86

Programming Servers Network Latency 86

Alex Russell

APRIL 29, 2021

Apple forces developers of competing browsers to use their engine for all browsers on iOS , restricting their ability to deliver a better version of the web platform. They are, pound for pound, some of the best engine developers globally and genuinely want good things for the web. The Compatibility Tax.

Media 145

Media Games Education Engineering 145

Smashing Magazine

AUGUST 9, 2021

You’ve probably heard things like: “HTTP/3 is much faster than HTTP/2 when there is packet loss”, or “HTTP/3 connections have less latency and take less time to set up”, and probably “HTTP/3 can send data more quickly and can send more resources in parallel”. and lower), this typically takes two network round trips.

Transportation 145

Transportation Internet Internet Network 145

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.

Speed 121

Speed Cache Latency AWS 121

Alex Russell

JULY 14, 2021

Developers also suffer higher costs and reduced opportunities to escape Google, Facebook, and Apple's walled gardens. Web engineers frequently refer to browsers as "User Agents", a nod to their unique role as interpreters of developer intent that give users the final say over how the web is experienced. How can that be?

Google 121

Google Mobile Engineering Internet 121

Alex Russell

OCTOBER 22, 2017

We constrain ourselves to a real-world baseline device + network configuration to measure progress. One of the most surprising results has been the frequent occurrence of “ambush by JavaScript” : We need a new term for the business-opportunity wastage that modern front-end development has created. for router components).

Performance 68

Performance Benchmarking Network Mobile 68

Alex Russell

JUNE 20, 2020

is an open collaboration between Google, Microsoft , Intel , Samsung , and others to safely bring capabilities to the web which native developers have come to expect. 1] Expansions of the web's power can seem by turns scary, capricious, or a distraction from the real problems developers face. [2]. Chromium's Project Fugu ??

Hardware 55

Hardware Games Java Media 55

The Morning Paper

DECEMBER 8, 2019

Therefore any programming abstraction must be low latency and the kernel needs to be kept off the path of persistent data access as much as possible. Traditionally one of the major costs when moving data in and out of memory (be it to persistent media or over the network) is serialisation. What about security?

Hardware 56

Hardware Programming Media Storage 56

High Scalability

FEBRUARY 19, 2021

Treating failure as a matter of course. In particular, they are not effective in networks spanning multiple regions because their efficiency breaks down if the latency becomes too high when communicating among peers. Fault tolerant designs treat failures as routine. Health is not binary.

Engineering 215

Engineering Systems Scalability Availability 215

Smashing Magazine

SEPTEMBER 6, 2021

Next, we’ll look at how to set up servers and clients (that’s the hard part unless you’re using a content delivery network (CDN)). Using just a few (but still more than one), however, could nicely balance congestion growth with better performance, especially on high-speed networks. Servers and Networks.

Network 104

Network Servers Cache Traffic 104

The Morning Paper

MAY 28, 2019

Of course analog signalling comes with a whole bunch of challenges of its own, which is one of the reasons we tend to convert to digital. The resulting system can integrate seamlessly into a scikit-learn based development process, and dramatically reduces the total energy usage required for classification with very low latency.

Energy 52

Energy Hardware Efficiency Architecture 52