An Unbelievable Demo

Brendan Gregg

This is the story of the most unbelievable demo I've been given in world of open source. He was kind enough to give me a quick demo anyway. He gave me a path to start looking under, and after a bit of searching I found the directory with all the tools he had been demoing.

Real-World Effectiveness of Brotli

CSS Wizardry

I took a handful of example sites in which I tried to cover sites that were a good cross section of: relatively well known (it’s better to use demos that people can contextualise), and/or; relevant and suitable for the test (i.e.


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Using JSONB in PostgreSQL: How to Effectively Store & Index JSON Data in PostgreSQL


demo=# select * from books where data ? demo=# explain analyze select * from books where data ? demo=# explain analyze select * from books where data ?| It will result in a sequential scan: demo=# select * from books where data->'tags' ?

ConsoleMe: A Central Control Plane for AWS Permissions and Access

The Netflix TechBlog

Access the AWS console ( docs , talk , demo ) ConsoleMe allows users to access the AWS console through the use of temporary IAM role credentials.

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Simplifying Form Styles With `accent-color`

Smashing Magazine Graphics

In the following demo, we’re applying two different accent colors. In the following demo, we’re assigning each checkbox group a custom property that corresponds to the element’s index ( --i ) using the style attribute in the HTML. See this demo.)

Media 88

The Fastest Google Fonts

CSS Wizardry

Google Fonts are good to us—they preconnect the origin preemptively via an HTTP header attached to the response: While not all that effective in these demos, I wish more third-party providers would do things like this.

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4 steps to modernize your IT service operations with Dynatrace


We came up with list of four key questions, then answered and demoed in our recent webinar. Stephan demoed how avodaq internally leverages Dynatrace Synthetic. Dynatrace news.

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Exploring Data @ Netflix

The Netflix TechBlog

Data Explorer architecture and service adapter layers Demo Environment Deploying a new tool in any real-world environment is a time commitment. We get it, and to help you with that initial setup, we have included a dockerized demo environment.

New Product Release: What’s New in Tasktop Hub 20.2


The short demo video below shows an example, where a manufacturer uses conditional field flow to govern how defect fields flow to and from suppliers at different stages of a defect’s life cycle. . This short demo video provides an overview of the new conflict resolution configuration. .

Building A Dynamic Header With Intersection Observer

Smashing Magazine Graphics

I’ve included a demo at the end of this article, so feel free to jump straight to it if you’re keen to unpick the code. For brevity, I’ve only included the parts relevant to the article, but the full markup is included in the demo. Final Demo.

Media 114

Bandwidth or Latency: When to Optimise for Which

CSS Wizardry

The waterfall I used as a demo was exactly that—a demo. When it comes to network performance, there are two main limiting factors that will slow you down: bandwidth and latency. Bandwidth is defined as…. the maximum rate of data transfer across a given path. Generally speaking, increased bandwidth is only particularly useful when you’re transferring or downloading large files.

Simple streaming telemetry

The Netflix TechBlog

Introducing gnmi-gateway: a modular, distributed, and highly available service for modern network telemetry via OpenConfig and gNMI By: Colin McIntosh, Michael Costello Netflix runs its own content delivery network, Open Connect , which delivers all streaming traffic to our members.

HammerDB v4.0 New Features Pt2: Scalable UHD Graphics


Additionally these type of displays on devices such as PixelSense on Microsoft Surface Book were popular for presentations and demos and therefore the task was to update the HammerDB display to support scalable graphics. Up to version 3.3

How to automate Canary Release decisions with Dynatrace


Dynatrace news. Progressive Delivery enables speeding up while managing the risk of software deployments and configuration changes. One of the aspects of progressive delivery is using new zero-downtime deployment strategies such as Canary, Blue-Green, or Feature Flags.

When Do SQL Server Sorts Rewind?

SQL Performance

Demo 1: Inaccurate Rewinds. Demo 2: Sort Rewinds. Demo 3: Rewinding Nothing. Demo 4: Maximum Rewind! Demo 5: In-Memory Sort. Demo 6: No In-Memory Sort. Introduction. Rewinds are specific to operators on the inner side of a nested loops join or apply.

What is Azure?


For more information on Dynatrace and Azure, check out our Power Demo , Advancing Cloud Performance: Applying AI and Automation to Microsoft Azure or see the magic first hand with our free trial. Dynatrace news.

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Using Real-Time Digital Twins for Corporate Contact Tracing

ScaleOut Software

A Demo Application Shows How Companies Can Track COVID-19 Contacts Within Companies. In this post, we’ll take a closer look at its implementation in a demo application created by ScaleOut Software. The demo application creates a memory-based real-time digital twin for each employee.

Using Real-Time Digital Twins for Corporate Contact Tracing

ScaleOut Software

A Demo Application Shows How Companies Can Track COVID-19 Contacts Within Companies. In this post, we’ll take a closer look at its implementation in a demo application created by ScaleOut Software. The demo application creates a memory-based real-time digital twin for each employee.

Creating A Public/Private Multi-Monorepo For PHP Projects

Smashing Magazine Graphics

The workflow currently handles two plugins (the GraphQL API and its extension demo), but it could handle 200 without additional effort on my side. Creating A Public/Private Multi-Monorepo For PHP Projects. Creating A Public/Private Multi-Monorepo For PHP Projects. Leonardo Losoviz.

Springing into the Virtual DevOps Enterprise Summit, Europe 2021


At our virtual booth and across various conference sessions, live demos and happy hours, we’re looking forward to continuing to help attendees make data-driven decisions that will help steer their unique DevOps and value stream management (VSM) journeys. Daily Coffee Break Live Demos.

Forever Free Plan From Testsigma Released!


Book a demo with us to know how you can make the best out of Testsigma or leave us a message to learn more about the tool and how it can help you. We are happy to announce the launch of Testsigma’s freemium version!!

A Day with Kotlin

Software Architecture

fun demo(x: Any) { if (x is String) println(x.length) // x is automatically cast to String } 3. What Kotlin has that Java does not. So, I was hearing a lot about Kotlin lately and decided to give it a try. It will be fun learning about a new language and maybe I find it useful for some product or app.

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How Parallel Plans Start Up – Part 5

SQL Performance

Luckily, the design of the demo query is such that the stream aggregates in Branch C will produce only a few rows. I chose a merge join for this demo because it happens to require early phase processing for both inputs.

C++ 106

The White House Executive Order on Cybersecurity: How Dynatrace observability delivers on three essential directives


To learn more about how automatic and intelligent observability from Dynatrace, and FedRAMP authorization at the Moderate Impact Level, helps federal agencies accomplish their missions, see the demo, Advancing your agency’s mission with Dynatrace for Government SaaS platform. Dynatrace news.

Dynatrace adds OpenTelemetry trace ingest for open, automatic, and intelligent observability


Say you’re running the Online Boutique , a cloud-native microservices demo application, that allows users to browse items, add them to a shopping cart, and purchase them. Dynatrace news.

Cloud 219

Davis Security Advisor extends Dynatrace Application Security with automatic vulnerability prioritization


For more information, visit our website to watch the demo or read our previous Application Security blog posts. Dynatrace news. In recent years, the volume of reported security vulnerabilities in enterprise software has increased exponentially.

Dynatrace achieves AWS Outposts Ready designation


Watch this Dynatrace Power Demo to learn more about Dynatrace AWS monitoring and how Dynatrace Davis spots problems in real time and provides business impact and root cause analysis. Dynatrace news.

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How To Add eBPF Observability To Your Product

Brendan Gregg

In a previous blog post, [An Unbelievable Demo], I talked about how something similar happened many years ago where old tracing tool versions were used without updates.

Energy 106

Links on Performance IV

CSS - Tricks

web-vitals-element — An npm packages from Stefan Judis that boots up a <web-vitals> web component showing your CLS, FID, LCP, and BVD ( demo ). HTTP Caching is a Superpower — Hugh Haworth covers how the Cache-Control header is an awfully potent ingredient in web performance. I mis-read the title at first and was waiting to read about HTML caching.

Cache 43

Create compelling insights into business and operational KPIs through metric calculations in the Data explorer


Request a demo or sign up for a free trial. Dynatrace news. Metrics matter. As objective measurements, they allow us to make data-driven decisions. But without complex analytics to make sense of them in context, metrics are often too raw to be useful on their own.

Dynatrace Business Analytics: BizDevOps collaboration through business observability


Check out our Business Analytics page to see how Dynatrace can help you, and have a read of some of our business analytics blogs and customer stories , or request a demo. Dynatrace news.

3 Reasons Your SAFe® Journey Has Lost Its Way 


If you’d like an exclusive live demo or want to pre-schedule a one-on-one meeting with a member of the team, drop us a message at

New Product Release: Tasktop Hub 21.1 – Jira, Leankit, VersionOne, Tricentis Tosca Integration


Request a highly personalized demo and/or have your value stream architecture mapped by one of our Value Stream Architects to see how Tasktop can help you accelerate business value delivery across your software product portfolio.

Dynatrace Application Security boosts BizDevSecOps for Kubernetes


For more information visit our web page and watch the demo or read my Application Security blog. Dynatrace news.

Java 218

Integration Showcase: LoadView & Dynatrace


EasyTravel demo application on AWS server. Setup Demo App EasyTravel on AWS box. Connect demo application hosted on AWS to Dynatrace. EasyTravel – Demo application from Dynatrace. Setup Demo App EasyTravel on AWS Box. Start Easytravel demo app. Link to my Easytravel demo application hosted on AWS server: [link]. Connect demo application hosted on AWS to Dynatrace. Integration Showcase: Dynatrace & Dotcom-Monitor’s LoadView.

AWS 40

Top 7 Test Automation Challenges To Look Out For


Book a Demo. Book a Demo or Sign Up for Free. Having an effective test automation system is an absolute necessity in today’s agile software development environments.

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ISR vs DPR: Big Words, Quick Explanation

Smashing Magazine Graphics

You can use DPR in other frameworks as well (Zach Leatherman has some demos of it with Eleventy where he defers building hundreds of pages), and the Next.js ISR vs DPR: Big Words, Quick Explanation. ISR vs DPR: Big Words, Quick Explanation. Cassidy Williams. 2021-07-15T10:30:00+00:00.

Cache 103

Increase the Performance of your Site with Lazy-Loading and Code-Splitting


You can see a demo here (check the code source ). Componentization has marked a before and after in web development. The main advantages that are usually mentioned is reusability and modularization. Well defined pieces that we can use to build our sites, like bricks of Legos. It turns out this component structure provides a great foundation to improve the performance of our sites. We are explicit about our dependencies, so we know what code we need to run to run a specific component.

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What is synthetic monitoring?


To learn more about how Dynatrace can push your synthetic monitoring initiative to the next level, schedule a demo or activate your free trial today. Dynatrace news.

Reducing The Need For Pseudo-Elements

Smashing Magazine Graphics

You can find the full showcase demo here → Conclusion. Reducing The Need For Pseudo-Elements. Reducing The Need For Pseudo-Elements. Marcel Moreau. 2021-09-15T10:00:00+00:00. 2021-09-15T12:06:56+00:00.

U-Haul optimizes digital experience with Dynatrace Session Replay


Check out the webinar, User Compliant Resolution with Session Replay with Daniel Kaar, and watch the Session Replay video demo. Dynatrace news. Moving to a new house is always stressful. Renting moving equipment should be the least concern. U-Haul , the largest ‘DIY’ moving company in the U.S.

Games 175

Recipes for Performance Testing Single Page Applications in WebPageTest

CSS - Tricks

In order to illustrate those recipes, I will use the React Admin demo website as an example. I encourage you to go take a quick look at the website (the demo account is demo/demo ) in order to have an idea of what we will be trying to achieve. WebPageTest is an online tool and an Open Source project to help developers audit the performance of their websites. As a Web Performance Evangelist at Theodo , I use it every single day.

End-to-end request monitoring for popular Python frameworks with OneAgent SDK


Dynatrace news. As part of the Platform Extensions team, I’m one of those responsible for services that include the Dynatrace OneAgent SDKs, which are libraries that allow us to extend end-to-end visibility for technologies and frameworks for which there is no code module available yet.