CSS Wizardry

APRIL 22, 2020

One of the more fundamental rules of building fast websites is to optimise your assets, and where text content such as HTML, CSS, and JS are concerned, we’re talking about compression. The de facto text-compression of the web is Gzip, with around 80% of compressed responses favouring that algorithm, and the remaining 20% use the much newer Brotli. Of course, this total of 100% only measures compressible responses that actually were compressed—there are still many millions of resources that could

Latency 269

Latency Servers Website Speed 269

DZone

APRIL 22, 2020

Why Chaos Mesh? In the world of distributed computing, faults can happen to your clusters any time, anywhere. Traditionally we use unit tests and integration tests that guarantee a system is production-ready. However, these tests can’t cover everything as clusters scale, complexities mount, and data volumes increase by petabyte levels. To better identify system vulnerabilities and improve resilience, Netflix invented Chaos Monkey , which injects various types of faults into the infrastructure an

Systems 216

Systems Infrastructure Engineering Testing 216

Dynatrace

APRIL 22, 2020

Dynatrace news. One of the impacts of the COVID-19 pandemic is a move towards digital services at an unprecedented scale. Some businesses are attempting to replace lost revenue streams through a shift to online activity. Other organizations are scrambling to support significant growth in online users. All of this puts a lot of pressure on IT systems and applications.

Traffic 209

Traffic Ecommerce Retail Government 209

All Things Distributed

APRIL 22, 2020

As COVID-19 has disrupted life as we know it, I have been inspired by the stories of organizations around the world using AWS in very important ways to help combat the virus and its impact. Whether it is supporting the medical relief effort, advancing scientific research, spinning up remote learning programs, or standing-up remote working platforms, we have seen how providing access to scalable, dependable, and highly secure computing power is vital to keep organizations moving forward.

AWS 195

AWS Programming Scalability 195

SQL Performance

APRIL 22, 2020

In part 1 of this series, I explained how I arrived at the conclusion that we should disable the default trace. In part 2, I showed the Extended Events session that I deployed to capture all file size change events. In this post, I want to show the views I created to make consumption of the event data easier for people, and some caveats. Digestible views.

Database 55

Database Servers Availability Monitoring 55

ScaleOut Software

APRIL 22, 2020

The Challenge: Keeping Online Sites Fast. In this time of extremely high online usage, web sites and services have quickly become overloaded, clogged trying to manage high volumes of fast-changing data. Most sites maintain a wide variety of this data, including information about logged-in users, e-commerce shopping carts, requested product specifications, or records of partially completed transactions.

Cache 52

Cache Storage Servers Database 52

n0derunner

APRIL 22, 2020

Default OIO is “2” if no other parameters are specified This is documented on the diskpsd page but most workload generators that i use will default to a single OIO, so it’s worth pointing out. Default case: The -o parameter is per-disk and per thread. Run diskspd with -o 32 (single thread) generates a total … The post Microsoft diskspd Part 3.

Benchmarking 40

Benchmarking 40