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Amazon EMR: A single function applied to the data in a job flow. The sum of all steps comprises a job flow.
Tag: step
How to Use NordVPN in 2022: Easy Step-by-Step Instructions
Feed: Cloudwards. Author: Wisdom Sablah; NordVPN is one of the world’s leading virtual private network (VPN) providers. With over 5,200 servers in 60 countries, the service lets you browse the internet at blazing speeds without compromising your data or security. If you’re wondering how to use NordVPN (or how to use a VPN in general), we wrote this post for you. Key Takeaways: NordVPN is easy to download, install and set up. You can complete the process in a few minutes for the PC app. To create an account, you’ll need to choose a plan. However, the service offers a 30-day ... Read More
Statistical Hypothesis Testing-A Step by Step Guide
Feed: R-bloggers. Author: finnstats. The post Statistical Hypothesis Testing-A Step by Step Guide appeared first on finnstats. If you want to read the original article, click here Statistical Hypothesis Testing-A Step by Step Guide. Statistical Hypothesis Testing, an assumption regarding a population parameter is referred to as a statistical hypothesis. For example, we can assume that the average male height in India is 60 inches. The statistical hypothesis is the height assumption, and the population parameter is the true mean height of a male in India. A hypothesis test is a formal statistical test that we employ to determine whether ... Read More
AWS Step Functions adds mocking support for testing workflows locally
Feed: Recent Announcements. AWS Step Functions Local, a runtime for debugging and testing state machine based workflows locally, is now designed to support mocking for service integrations, allowing you to run state machines without the need to call downstream services. AWS Step Functions is a visual workflow service capable of orchestrating over 9,000 API actions from over 200 AWS services. Step Functions Local is a downloadable version of Step Functions that is designed to enable you to run, debug, and test state machines without leaving your development environment. Now, with Step Functions Local, you can mock the responses from your ... Read More
Mocking service integrations with AWS Step Functions Local

Feed: AWS Compute Blog. Author: Benjamin Smith. This post is written by Sam Dengler, Principal Specialist Solutions Architect, and Dhiraj Mahapatro, Senior Specialist Solutions Architect. AWS Step Functions now supports over 200 AWS Service integrations via AWS SDK Integration. Developers want to build and test control flow logic for workflows using branching logic, error handling, and retries. This allows for precise workflow execution with deterministic results. Additionally, developers use Step Functions’ input and output processing features to transform data as it enters and exits tasks. Developers can test their state machines locally using Step Functions Local before deploying them to an AWS account. However state ... Read More
Using the circuit breaker pattern with AWS Step Functions and Amazon DynamoDB

Feed: AWS Compute Blog. Author: Eric Johnson. This post is written by Anitha Deenadayalan, Developer Specialist SA, DevAx Modern applications use microservices as an architectural and organizational approach to software development, where the application comprises small independent services that communicate over well-defined APIs. When multiple microservices collaborate to handle requests, one or more services may become unavailable or exhibit a high latency. Microservices communicate through remote procedure calls, and it is always possible that transient errors could occur in the network connectivity, causing failures. This can cause performance degradation in the entire application during synchronous execution because of the cascading ... Read More
How to Use Surfshark in 2022: Easy Step-by-Step Instructions
Feed: Cloudwards. Author: Hannah Pisani; How to Use Surfshark in 2022 [Easy Step-by-Step Instructions] Search Surfshark makes downloading its VPN app super simple, but once you’ve downloaded it, you might need some help to adjust the settings to make the VPN work the way you want it. That’s why we created these step-by-step instructions to ensure you know how to use Surfshark. Key Takeaways: Surfshark is easy to download and straightforward to use, making it a safe, affordable VPN choice.While it doesn’t have the fastest servers around, Surfshark’s wide variety of server locations makes it a decent option for unblocking ... Read More
How to Deliver Data Quality with Data Governance: Ryan Doupe, CDO of American Fidelity, 9-Step Process

Feed: Alation. Author: Myles Suer. January 20, 2022 — Several weeks ago (prior to the Omicron wave), I got to attend my first conference in roughly two years: Dataversity’s Data Quality and Information Quality Conference. Ryan Doupe, Chief Data Officer of American Fidelity, held a thought-provoking session that resonated with me. In Ryan’s “9-Step Process for Better Data Quality” he discussed the processes for generating data that business leaders consider trustworthy. To be clear, data quality is one of several types of data governance as defined by Gartner and the Data Governance Institute. Quality policies for data and analytics set ... Read More
Building a Multi-Region Solution for Auto Recovery of Amazon EC2 Instances Using AWS CDK and AWS Step Functions

Feed: AWS Partner Network (APN) Blog. Author: Rafal Krol. By Rafal Krol, Cloud SRE – Chaos Gears Chaos Gears At Chaos Gears, an AWS Advanced Consulting Partner, we help customers and companies of all sizes utilize Amazon Web Services (AWS) to its full potential so they can focus on evolving their business. One of our customers, a startup from the medical industry, has gained a global reach and serves its clients by operating in multiple AWS regions (currently 10 with more scheduled to come) spanning many time zones. At the center of each region, there’s an Amazon Elastic Compute Cloud ... Read More
Use AWS Step Functions to Monitor Services Choreography

Feed: AWS Architecture Blog. Organizations frequently need access to quick visual insight on the status of complex workflows. This involves collaboration across different systems. If your customer requires assistance on an order, you need an overview of the fulfillment process, including payment, inventory, dispatching, packaging, and delivery. If your products are expensive assets such as cars, you must track each item’s journey instantly. Modern applications use event-driven architectures to manage the complexity of system integration at scale. These often use choreography for service collaboration. Instead of directly invoking systems to perform tasks, services interact by exchanging events through a centralized ... Read More
Building a Scalable Application with React and Redux: A Step-by-Step Guide
Feed: Featured Blog Posts - Data Science Central. Author: ashika elza. One of the most exciting sectors of the IT business is web development. There is a vast library of tools and libraries available, many of which strive to improve an application's functionality and efficiency. However, taking advantage of every fresh opportunity isn't a good idea unless you know what you're doing. Testing and programming with your code is a great approach to improve and optimize an application, but it's pointless unless you're aware of the change. Taking this a step further, we'll explain what Redux is and how you ... Read More
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