Dotcom-Montior

NOVEMBER 24, 2021

By definition, a distributed system is any system that comprises of multiple components on variety of machines that work together to appear as a single, organized system. Although the definition may seem straightforward, in the real-world, a distributed system is one of the most complex environments to understand, manage, and monitor.

Systems 74

Systems Monitoring Hardware Network 74

Alex Russell

JANUARY 30, 2024

HTML, CSS, images, and fonts can all be parsed and run at near wire speeds on low-end hardware, but JavaScript is at least three times more expensive, byte-for-byte. 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).

Performance 90

Performance Network Mobile Speed 90

Alex Russell

JULY 14, 2021

I've got a long blog post brewing on this, but jumping to the end, an operable definition is: A browser is an application that can register with an OS to handle http and https navigations by default. Modern browsers like Chrome and Samsung Internet support a long list of features that make web apps more powerful and keep users safer.

Google 121

Google Mobile Engineering Internet 121

Brendan Gregg

SEPTEMBER 5, 2017

Here's some output from my zfsdist tool, in bcc/BPF, which measures ZFS latency as a histogram on Linux: # zfsdist. Tracing ZFS operation latency. The odd time we hit them, we'll take the "oops message" – a dump of the kernel stack trace and other details from the system log – and search the Internet.

Virtualization 76

Virtualization AWS Engineering Hardware 76

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

Smashing Magazine

JANUARY 7, 2019

Estimated Input Latency tells us if we are hitting that threshold, and ideally, it should be below 50ms. On the other hand, we have hardware constraints on memory and CPU due to JavaScript parsing times (we’ll talk about them in detail later). Parsing and executing times vary significantly depending on the hardware of a device.

Performance 104

Performance Cache Metrics Network 104

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. In traditional database architectures, database engines often run a small search engine or data warehouse engines on the same hardware as the database.

Database 167

Database Lambda AWS IoT 167