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. Developing simulators, however, is time-consuming and requires a great deal of infrastructure development regarding a prospective system. Answered in Part 2.). Bottleneck Analysis.

Systems 60

Systems Latency Performance Analytics 60

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

Brendan Gregg

JULY 4, 2021

I also wrote about these topics in detail for my recent [Systems Performance 2nd Edition] book. TCP Extensions for Multipath Operation with Multiple Addresses,” [link] Mar 2020 - [Gregg 20] Brendan Gregg, “Systems Performance: Enterprise and the Cloud, Second Edition,” Addison-Wesley, 2020 - [Hruska 20] Joel Hruska, “Intel Demos PCIe 5.0

Performance 140

Performance Latency Hardware Storage 140

The Morning Paper

JANUARY 30, 2020

Edge servers are the middle ground – more compute power than a mobile device, but with latency of just a few ms. Since we’re talking about mobile applications, we have to assume a changing environment over time, including the possibility of losing internet connectivity altogether. The Mobile Web Worker (MWW) System.

Mobile 104

Mobile Cloud Latency Games 104

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. First look for any correlation to the last change made to the system.

Internet 53

Internet Internet Cache Engineering 53

Brendan Gregg

FEBRUARY 28, 2023

This talk originated from my updates to [Systems Performance 2nd Edition], and this was the first time I've given this talk in person! CXL in a way allows a custom memory controller to be added to a system, to increase memory capacity, bandwidth, and overall performance. Ford, et al., “TCP

Performance 110

Performance Latency Cache Virtualization 110

The Netflix TechBlog

AUGUST 30, 2021

System Setup Architecture The following diagram summarizes the architecture description: Figure 1: Event-sourcing architecture of the Device Management Platform. Fault Tolerance If the underlying KafkaConsumer crashes due to ephemeral system or network events, it should be automatically restarted. million elements.

Latency 213

Latency Traffic Transportation Hardware 213

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. Colleagues/Internet I love using [Linux performance tools]. Microbenchmark os::javaTimeMillis() on both systems. include <sys/time.h>

Speed 126

Speed Java AWS Virtualization 126

The Morning Paper

NOVEMBER 14, 2019

Taiji: managing global user traffic for large-scale internet services at the edge Xu et al., 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. SOSP’19. a chance to warm up.

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. Login & Authentication: Systems that verify user credentials and maintain session-specific data.Â

Architecture 52

Architecture Performance Internet Internet 52

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. 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.

Architecture 52

Architecture Performance Internet Internet 52

The Netflix TechBlog

OCTOBER 26, 2021

Say at Netflix that we run a test that aims to reduce some measure of latency, such as the delay between a member pressing play and video playback commencing. Given the variety of devices and internet connections that people use to access Netflix, there is a lot of natural variability in this metric across our users.

Testing 202

Testing Latency Metrics Innovation 202

All Things Distributed

SEPTEMBER 29, 2016

Based in the Paris area, the region will provide even lower latency and will allow users who want to store their content in datacenters in France to easily do so. He has said, “By moving a large part of our IT system from our old IBM mainframe to AWS, we have adopted a cloud first strategy, boosting our power of innovation.

AWS 166

AWS IoT Internet Internet 166

Tech News Gather

FEBRUARY 20, 2023

With some unique advantages like low latency and faster speed, 5G aims to give birth to a new era of mobile application development with some innovations. With the increase in speed and less latency, there are a lot of possibilities that can be explored in the field of the internet of things (IOT) and smart devices.

Mobile 40

Mobile Development Artificial Intelligence IoT 40

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

Dynatrace

DECEMBER 22, 2019

AWS offers a broad set of global, cloud-based services including computing, storage, networking, Internet of Things (IoT), and many others. Amazon Elastic File System (EFS). The example below visualizes average latency by API name and stage for a specific AWS API Gateway. Dynatrace news. Amazon Aurora. Amazon API Gateway.

AWS 136

AWS Metrics IoT Storage 136

KeyCDN

FEBRUARY 4, 2021

DNS, which stands for domain name system , is an Internet service that translates domains names into IP addresses. You can think of a DNS server as a phone book for the internet. Using a fast DNS hosting provider ensures there is less latency between the DNS lookup and TTFB. What is DNS?

Cache 134

Cache Website Internet Internet 134

Dynatrace

DECEMBER 22, 2019

AWS offers a broad set of global, cloud-based services including computing, storage, networking, Internet of Things (IoT), and many others. Amazon Elastic File System (EFS). The example below visualizes average latency by API name and stage for a specific AWS API Gateway. Dynatrace news. Amazon Aurora. Amazon API Gateway.

AWS 133

AWS Metrics IoT Storage 133

Scalegrid

JANUARY 12, 2024

Simply put, it’s the set of computational tasks that cloud systems perform, such as hosting databases, enabling collaboration tools, or running compute-intensive algorithms. Such demanding use cases place a great value on systems capable of fast and reliable execution, a need that spans across various industry segments.

Cloud 130

Cloud Virtualization Storage Efficiency 130

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

Testsigma

JULY 23, 2020

Some are accessed via the internet while some of them are installed on the user’s computer. This is a standalone software program which doesn’t depend on any internet connectivity for its working and its performance is not impacted because of any network related latencies. These have clients and servers in their architecture.

Testing 63

Testing Internet Internet Latency 63

Apica

JULY 1, 2022

HLS is one of the most common formats these days, originally intended as an alternative to Flash to stream over the internet. Apica’s advanced technology is even helping industries where even the smallest latency in video streaming can be disastrous. There are a few key streaming formats that support most streaming content.

Internet 52

Internet Internet Latency Virtualization 52

All Things Distributed

JANUARY 6, 2016

A region in South Korea has been highly requested by companies around the world who want to take full advantage of Korea’s world-leading Internet connectivity and provide their customers with quick, low-latency access to websites, mobile applications, games, SaaS applications, and more.

AWS 110

AWS Cloud Games Latency 110

Testsigma

DECEMBER 12, 2020

Since the beginning of the internet era, browsers and websites have lived co-dependently. Starting from the internet explorer, then to the Mozilla project and now to at least six major browsers in the market, we have evolved quite well. Maybe just changing the code according to browsers and operating systems.

Testing 53

Testing Operating System Website Latency 53

Brendan Gregg

FEBRUARY 28, 2023

This talk originated from my updates to Systems Performance 2nd Edition , and this was the first time I've given this talk in person! CXL in a way allows a custom memory controller to be added to a system, to increase memory capacity, bandwidth, and overall performance. Ford, et al., “TCP

Performance 52

Performance Latency Cache Virtualization 52

Brendan Gregg

JULY 4, 2021

I also wrote about these topics in detail for my recent [Systems Performance 2nd Edition] book. TCP Extensions for Multipath Operation with Multiple Addresses,” [link] Mar 2020 - [Gregg 20] Brendan Gregg, “Systems Performance: Enterprise and the Cloud, Second Edition,” Addison-Wesley, 2020 - [Hruska 20] Joel Hruska, “Intel Demos PCIe 5.0

Performance 52

Performance Latency Hardware Storage 52

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. Colleagues/Internet I love using Linux performance tools. Microbenchmark os::javaTimeMillis() on both systems. Try changing the kernel clocksource.

Speed 52

Speed Java AWS 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

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

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

JANUARY 30, 2024

Many critiques are possible, both of the target (five seconds for first load), the sample population (worldwide internet users), and of the methodology (informed reckons). Emerging markets with high mobile internet use and dense populations can feature poor fixed-line broadband penetration compared with Western markets. In the U.S.,

Performance 90

Performance Network Mobile Speed 90

Percona

JULY 17, 2023

5 among all database management systems and No. 1 among non-relational/document-based systems ( DB-Engines, July 2023 ). Taking a deeper dive, MongoDB is a system for analyzing data because documents are easily shared across multiple nodes and because of its indexing, query-on-demand, and real-time aggregation capabilities.

Open Source 74

Open Source Database Scalability Software 74

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

The Netflix TechBlog

FEBRUARY 18, 2022

To this end, we developed a Rapid Event Notification System (RENO) to support use cases that require server initiated communication with devices in a scalable and extensible manner. In this blog post, we will give an overview of the Rapid Event Notification System at Netflix and share some of the learnings we gained along the way.

Systems 334

Systems Traffic Architecture Mobile 334

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. Colleagues/Internet I love using [Linux performance tools]. Microbenchmark os::javaTimeMillis() on both systems. include <sys/time.h>

Speed 40

Speed Java AWS Virtualization 40

O'Reilly

JANUARY 16, 2024

I’ve recently been brainstorming ideas for how to design such a system and how to deal with the practical challenges of scaling and maintenance. Speech recognition errors : ChatGPT’s speech recognition system (presumably based on OpenAI’s open-source Whisper model ) is very good, but it does at times misinterpret what I’m saying.

Entertainment 73

Entertainment Internet Internet Design 73

IO River

NOVEMBER 15, 2023

Each is crucial, and they all feed into each other to create a robust, responsive, and resilient security mechanism.Research‍In the dynamic world of the Internet, new threats are as constant as the rising sun. ‍Normally, you input a username and a password, which the system verifies before letting you in.

Traffic 52

Traffic Network Logistics Architecture 52