Brendan Gregg

FEBRUARY 28, 2023

My personal opinion is that I don't see a widespread need for more capacity given horizontal scaling and servers that can already exceed 1 Tbyte of DRAM; bandwidth is also helpful, but I'd be concerned about the increased latency for adding a hop to more memory. Ford, et al., “TCP

Performance 110

Performance Latency Cache Virtualization 110

The Morning Paper

NOVEMBER 14, 2019

Taiji: managing global user traffic for large-scale internet services at the edge Xu et al., Sharing is caring caching. Taiji’s routing table is a materialized representation of how user traffic at various edge nodes ought to be distributed over available data centers to balance data center utilization and minimize latency.

Traffic 42

Traffic Internet Internet Latency 42

IO River

NOVEMBER 2, 2023

Fundamentally, internet traffic can be broadly categorized into static and dynamic content. Yes, it’s a single file, but that’s not how it’s stored on the internet. BandwidthImagine the internet as a ramified web of pipelines, each varying in size. A video, being a digital asset, is also based on these two parts.

Architecture 52

Architecture Performance Internet Internet 52

KeyCDN

JANUARY 25, 2023

With a dedicated POP, latency for visitors is reduced even further, resulting in better loading times. According to the Speedtest Global Index, Peru has an average internet connection speed of just over 67.5 The new POPs are in production and have been automatically added to all existing Zones.

Latency 60

Latency Tuning Cache Speed 60

The Morning Paper

OCTOBER 4, 2020

We are standing on the eve of the 5G era… 5G, as a monumental shift in cellular communication technology, holds tremendous potential for spurring innovations across many vertical industries, with its promised multi-Gbps speed, sub-10 ms low latency, and massive connectivity. Throughput and latency. energy consumption).

Energy 130

Energy Latency Performance Network 130

The Morning Paper

JANUARY 23, 2020

Trade-offs under pressure: heuristics and observations of teams resolving internet service outages , Allspaw, Masters thesis, Lund University 2015. 1:18pm a key observation was made that an API call to populate the homepage sidebar saw a huge jump in latency.

Internet 53

Internet Internet Cache Engineering 53

Scalegrid

APRIL 16, 2020

These are advanced cloud configurations that allow you to protect your databases from the internet. At ScaleGrid we recommend you deploy your clusters on private VPC subnets so that your database is not routable from the internet. Deploying your application and database on the same VPC also provides the lowest possible latency path.

Cloud 242

Cloud Azure AWS Database 242

All Things Distributed

JUNE 20, 2017

This enables customers to serve content to their end users with low latency, giving them the best application experience. In 2008, AWS opened a point of presence (PoP) in Hong Kong to enable customers to serve content to their end users with low latency. Since then, AWS has added two more PoPs in Hong Kong, the latest in 2016.

AWS 149

AWS Logistics Cloud Social Media 149

Brendan Gregg

FEBRUARY 28, 2023

My personal opinion is that I don't see a widespread need for more capacity given horizontal scaling and servers that can already exceed 1 Tbyte of DRAM; bandwidth is also helpful, but I'd be concerned about the increased latency for adding a hop to more memory. Ford, et al., “TCP

Performance 52

Performance Latency Cache Virtualization 52

IO River

NOVEMBER 2, 2023

With the ever-growing demands of the internet, websites and web applications face the challenge of delivering content swiftly and efficiently to users worldwide. Latency is a concept that increases with distance, so a signal that has to travel 1,000 KM will be much faster compared to a signal sprinting for that 100,000 KM.

Traffic 52

Traffic Cache Servers Latency 52

IO River

NOVEMBER 2, 2023

With the ever-growing demands of the internet, websites and web applications face the challenge of delivering content swiftly and efficiently to users worldwide. Latency is a concept that increases with distance, so a signal that has to travel 1,000 KM will be much faster compared to a signal sprinting for that 100,000 KM.

Traffic 40

Traffic Cache Network Servers 40

Smashing Magazine

OCTOBER 31, 2023

Chrome DevTools includes a separate “Performance” tab where the testing environment’s CPU and network connection can be artificially throttled to mirror a specific testing condition, such as slow internet speeds. The reason for the distinction is that there are different ways to throttle a network for testing. It’s right there in the name!

Speed 97

Speed Google Website Metrics 97

All Things Distributed

DECEMBER 5, 2010

DNS is one of the fundamental building blocks of internet applications and was high on the wish list of our customers for some time already. DNS is an absolutely critical piece of the internet infrastructure. There are two main types of DNS servers: authoritative servers and caching resolvers.

Cloud 117

Cloud Internet Internet AWS 117

ACM Sigarch

MARCH 18, 2019

Computer systems, from the Internet-of-Things devices to datacenters, are complex and optimizing them can enhance capability and save money. How many buffers are needed to track pending requests as a function of needed bandwidth and expected latency? Can one both minimize latency and maximize throughput for unscheduled work?

Systems 60

Systems Latency Performance Analytics 60

KeyCDN

JANUARY 31, 2019

The next closest active POP location to Bucharest was Istanbul which was still almost 900km away; this distance adds up in terms of latency. Here are some additional statistics about the usage and growth of Internet in Romania: There are currently 10.26 The average Internet speed in Romania has been increasing dramatically.

Internet 48

Internet Internet Ecommerce Speed 48

KeyCDN

OCTOBER 24, 2018

Although both countries are relatively close to one another, they are separated by a distance of approximately 500km, which adds up in terms of latency. Growth Of Internet in Finland The number of Internet users in Finland correlates very closely with the current number of residents. of the population were Internet users.

Internet 48

Internet Internet Speed Network 48

Dotcom-Montior

MARCH 6, 2022

Some of those factors include the following: URL Test Location Browser (Chrome, Firefox, Internet Explorer, mobile browsers etc…) Connection Number of Tests Repeat View Elements Used in Waterfall Charts Interactive Slider : The Interactive Slider is an indicator of the performance of each element in terms of milliseconds. Queued request.

Performance 52

Performance Cache Website Speed 52

Percona

JULY 17, 2023

A survey of 90,240 companies using MongoDB listed the leading uses as Technology and Services (23%), Computer Software (16%), and Internet (6%). Redis can handle a high volume of operations per second, making it useful for running applications that require low latency. And MongoDB is popular across industries. Couchbase — No.

Open Source 74

Open Source Database Scalability Software 74

Smashing Magazine

JANUARY 11, 2021

Build Optimizations JavaScript modules, module/nomodule pattern, tree-shaking, code-splitting, scope-hoisting, Webpack, differential serving, web worker, WebAssembly, JavaScript bundles, React, SPA, partial hydration, import on interaction, 3rd-parties, cache. This improves page load time and caching during navigations.

Performance 145

Performance Cache Media Metrics 145

KeyCDN

JULY 11, 2019

Using an image CDN, such as KeyCDN, can significantly reduce the latency of your image delivery. As Sara Souedan said, not everyone has access to fast internet. Mbps, countries with a growing Internet users like India is only at an average mobile download speed of 6.8 Mbps ( Opensignal ). For example, the query string ?width=600&quality=70

Speed 52

Speed Website Mobile Latency 52

Dotcom-Montior

MAY 6, 2020

Browser (Chrome, Firefox, Internet Explorer, mobile browsers etc…). Moreover, caching utility may decrease the waiting time. Empty Cache (First View): The user access the website for the first time and has no cached data. Typical browser-based tools are going to clear the cache before making the requests.

Performance 53

Performance Cache Website Speed 53

Tim Kadlec

AUGUST 14, 2018

The area he was in was served by satellite internet access, and experienced significant latency (a floor of 506 milliseconds) and packet loss (between 50-80% was typical). To counter this, the school he was visiting sets up their own local caching server. But, as he explains, this approach falls apart when HTTPS gets involved.

Cache 64

Cache Mobile Servers Latency 64

Smashing Magazine

JANUARY 7, 2019

Estimated Input Latency tells us if we are hitting that threshold, and ideally, it should be below 50ms. PRPL stands for Pushing critical resource, Rendering initial route, Pre-caching remaining routes and Lazy-loading remaining routes on demand. An application shell is the minimal HTML, CSS, and JavaScript powering a user interface.

Performance 103

Performance Cache Metrics Network 103

Smashing Magazine

JANUARY 6, 2020

Estimated Input Latency tells us if we are hitting that threshold, and ideally, it should be below 50ms. Designed for the modern web, it responds to actual congestion, rather than packet loss like TCP does, it is significantly faster , with higher throughput and lower latency — and the algorithm works differently.

Performance 145

Performance Cache Network Metrics 145

SQL Performance

SEPTEMBER 17, 2019

In the early days of SSRS, a requirement was to also install and configure Internet Information Services (IIS). Disk latency for ReportServer and ReportServerTempDB are very important. Caches of report results are stored in the ReportServerTempDB database and I/O performance can become an issue here.

Tuning 67

Tuning Servers Database Best Practices 67

Highly Scalable

SEPTEMBER 18, 2012

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. Read/Write latency. Read/Write requests are processes with a minimal latency. Consistency-latency tradeoff.

Database 213

Database Latency C++ Scalability 213

Percona

MAY 15, 2023

One example could be using an RDBMS for most of the Online transaction processing ( OLTP) data shared by country and having the products as distributed memory cache with a different technology. Let’s see the write operations with 24 and 64 threads: We get a gain of ~33% just using sharding, while for latency, we do not have a cost.

Traffic 122

Traffic Scalability Database Servers 122

Alex Russell

APRIL 29, 2021

In almost every area, Apple's low-quality implementation of features WebKit already supports requires workarounds not necessary for Firefox (Gecko) or Chrome/Edge/Brave/Samsung Internet (Blink). For heavily latency-sensitive use-cases like WebXR, this is a critical component in delivering a good experience. Converging Views.

Media 145

Media Games Education Engineering 145

High Scalability

JULY 20, 2018

That means multiple data indirections mean multiple cache misses. Mark LaPedus : MRAM, a next-generation memory type, is being touted as a replacement for embedded flash and cache applications. Cliff Click : The JVM is very good at eliminating the cost of code abstraction, but not the cost of data abstraction. They are very expensive.

Internet 121

Internet Internet Scalability Automotive 121

KeyCDN

FEBRUARY 14, 2019

A GIF that lasts only a few seconds can be several megabytes in size , which means that visitors with slower internet connections could be looking at a blank page for a few seconds before it loads. A CDN will pull the GIF files from your origin server and cache them.

Speed 50

Speed Website Latency Cache 50

Highly Scalable

AUGUST 20, 2013

This system has been designed to supplement and succeed the existing Hadoop-based system that had too high latency of data processing and too high maintenance costs. In many cases join is performed on a finite time window or other type of buffer e.g. LFU cache that contains most frequent tuples in the stream. Logical Time Tracking.

Big Data 154

Big Data Processing Lambda Database 154

All Things Distributed

OCTOBER 2, 2017

The cloud-hosted version would need to be: Scalable – The service would need to support hundreds of thousands, or even millions of AWS customers, each supporting their own internet-scale applications. Today, DynamoDB powers the next wave of high-performance, internet-scale applications that would overburden traditional relational databases.

Internet 130

Internet Internet AWS Performance 130

Smashing Magazine

AUGUST 20, 2021

I had my website with funny photos and links to favorite websites live on the internet, and better yet, I could edit directly on the server. It’s safe to say WordPress, the platform now powering 40% of the internet, won that battle, but MovableType paved the way for Jamstack CMSs in the future. But, when it worked, it was magical.

Ecommerce 139

Ecommerce Website Government Internet 139

All Things Distributed

JULY 14, 2015

In just three short years, Amazon DynamoDB has emerged as the backbone for many powerful Internet applications such as AdRoll , Druva , DeviceScape , and Battlecamp. Using streams, you can apply the changes to a full-text search data store such as Elasticsearch, push incremental backups to Amazon S3, or maintain an up-to-date read cache.

Database 167

Database Lambda AWS IoT 167

All Things Distributed

JUNE 21, 2017

Today, I'm excited to announce the general availability of Amazon DynamoDB Accelerator (DAX) , a fully managed, highly available, in-memory cache that can speed up DynamoDB response times from milliseconds to microseconds, even at millions of requests per second. Adding caching when your app is already experiencing load is not easy.

Speed 123

Speed Cache Latency AWS 123

Smashing Magazine

AUGUST 22, 2021

This is because HTTP/3 and QUIC mainly help deal with the somewhat uncommon yet potentially high-impact problems that can arise on today’s Internet. Because we are dealing with network protocols here, we will mainly look at network aspects, of which two are most important: latency and bandwidth. Congestion Control.

Performance 105

Performance Network Latency Servers 105

All Things Distributed

OCTOBER 12, 2016

Three years ago, as part of our AWS Fast Data journey we introduced Amazon ElastiCache for Redis , a fully managed in-memory data store that operates at sub-millisecond latency. While caching continues to be a dominant use of ElastiCache for Redis, we see customers increasingly use it as an in-memory NoSQL database.

Scalability 131

Scalability Analytics Cache AWS 131