Dotcom-Montior

NOVEMBER 24, 2021

For example, you can think of a cell phone network as a type of distributed system, consisting of a network of internet-connected devices that share resources workload. This also includes latency, or the time it takes for data or a request to get through a network. Today, there are a variety of architectures and systems in use.

Systems 74

Systems Monitoring Hardware Network 74

Testsigma

JANUARY 30, 2021

With the rapidly increasing use of smartphones and ease of access to the internet across the globe, testing has spread across vast platforms. The applications are designed using the same code base as Desktop like HTML, Javascript, and CSS. About two decades ago, testing was only limited to the desktop. What are Mobile Web Applications?

Mobile 52

Mobile Testing Website Internet 52

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. Since instances of both CentOS and Ubuntu were running in parallel, I could collect flame graphs at the same time (same time-of-day traffic mix) and compare them side by side. Colleagues/Internet I love using [Linux performance tools].

Speed 40

Speed Java AWS Virtualization 40

Alex Russell

JULY 14, 2021

Meanwhile, on Android, the #2 and #3 sources of web traffic do not respect browser choice. Modern browsers like Chrome and Samsung Internet support a long list of features that make web apps more powerful and keep users safer. However, producing a complete and competitive WebView-based browser requires additional UI and glue code.

Google 121

Google Mobile Engineering Internet 121

Highly Scalable

MAY 1, 2012

Statistical analysis and mining of huge multi-terabyte data sets is a common task nowadays, especially in the areas like web analytics and Internet advertising. This approach often leads to heavyweight high-latency analytical processes and poor applicability to realtime use cases. This technique is shown in the code snippet below.

Analytics 191

Analytics Traffic Big Data Efficiency 191

Smashing Magazine

MAY 20, 2020

It’s happening because of new features being added and the fact that we sometimes don’t have a second thought on packages that we constantly add and update, or think about the complexity of our code. For example, for an internet shop, it may be a page with a product list, product details page, shopping cart, checkout, and so on.

Performance 99

Performance Metrics Best Practices Code 99

Smashing Magazine

JANUARY 11, 2021

Have we optimized enough with tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, progressive hydration, clients hints, HTTP/3, service workers and — oh my — edge workers? It’s much easier to reach performance goals when the code base is fresh or is just being refactored.

Performance 145

Performance Cache Media Metrics 145

Nick Desaulniers

FEBRUARY 22, 2015

How do such techniques enable us to bank online and carry out other sensitive transactions on the Internet while trusting numerous relays? In this post, I hope to explain public key cryptography, with actual code examples, so that the concepts are a little more concrete. crypto module. crypto module. Meet Alice.

C++ 71

C++ Servers Education Government 71

Smashing Magazine

JANUARY 7, 2019

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? Estimated Input Latency tells us if we are hitting that threshold, and ideally, it should be below 50ms.

Performance 104

Performance Cache Network Metrics 104

Smashing Magazine

JANUARY 6, 2020

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? It’s much easier to reach performance goals when the code base is fresh or is just being refactored.

Performance 145

Performance Cache Network Metrics 145

Brendan Gregg

SEPTEMBER 5, 2017

It uses a Solaris Porting Layer (SPL) to provide a Solaris-kernel interface on Linux, so that unmodified ZFS code can execute. There's also a ZFS send/recv code path that should try to use the TASK_INTERRUPTIBLE flag (as suggested by a coworker), to avoid a kernel hang (can't kill -9 the process). Tracing ZFS operation latency.

Virtualization 76

Virtualization AWS Engineering Hardware 76

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”. However, it is extremely challenging to actually deploy them at Internet scale.

Transportation 145

Transportation Internet Internet Network 145

All Things Distributed

JUNE 21, 2018

We are increasingly seeing customers wanting to build Internet-scale applications that require diverse data models. Developers rely on the functionality of the relational database (not the application code) to enforce the schema and preserve the referential integrity of the data within the database. Purpose-built databases.

Database 167

Database AWS Games Latency 167

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 106

Performance Network Latency Servers 106