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Tag: testing
MLOPs Blog Series Part 3: Testing scalability of secure machine learning systems using MLOps

Feed: Microsoft Azure Blog. Author: Takuto Higuchi. The capacity of a system to adjust to changes by adding or removing resources to meet demand is known as scalability. Here are some tests to check the scalability of your model. System testing System tests are carried out to test the robustness of the design of a system for given inputs and expected outputs (for example, an MLOps pipeline, inference). Acceptance tests (to fulfill user requirements) can be performed as part of system tests. A/B testing A/B testing is performed by sending production traffic to alternate systems that will be evaluated. Statistical ... Read More
MLOPs Blog Series Part 2: Testing robustness of secure machine learning systems using machine learning ops

Feed: Microsoft Azure Blog. Author: Takuto Higuchi. Robustness is the ability of a closed-loop system to tolerate perturbations or anomalies while system parameters are varied over a wide range. There are three essential tests to ensure that the machine learning system is robust in the production environments: unit testing, data and model testing, and integration testing. Unit testing Tests are performed on individual components that each have a single function within the bigger system (for example, a function that creates a new feature, a column in a DataFrame, or a function that adds two numbers). We can perform unit tests ... Read More
MLOps Blog Series Part 1: The art of testing machine learning systems using MLOps

Feed: Microsoft Azure Blog. Author: Takuto Higuchi. Testing is an important exercise in the life cycle of developing a machine learning system to ensure high-quality operations. We use tests to confirm that something functions as it should. Once tests are created, we can run them automatically whenever we make a change to our system and continue to improve them over time. It is a good practice to reward the implementation of tests and identify sources of mistakes as early as possible in the development cycle to prevent rising downstream expenses and lost time. In this blog, we will look at ... Read More
Testing Amazon EventBridge events using AWS Step Functions

Feed: AWS Compute Blog. Author: James Beswick. This post is written by Siarhei Kazhura, Solutions Architect and Riaz Panjwani, Solutions Architect. Amazon EventBridge is a serverless event bus that can be used to ingest and process events from a variety of sources, such as AWS services and SaaS applications. With EventBridge, developers can build loosely coupled and independently scalable event-driven applications. It can be useful to know with EventBridge when events are not able to reach the desired destination. This can be caused by multiple factors, such as: Event pattern does not match the event rule Event transformer failure Event ... Read More
Triggering Replication Lag for Testing a Script
Feed: Planet MySQL; Author: Jean-François Gagné; I am currently working on a script to auto-enable parallel replication / multi-threaded replication (MTR) when there is replication lag. For testing this script, I need to trigger replication lag that would disappear after enabling MTR. I came-up with a simple solution for that, and I thought it could be useful to more people, so I am writing this blog post about it. Read-on for the details. Before explaining how to trigger replication lag, a few words about this Auto-MTR script. It could seem uselessly complex to run a script enabling MTR when there ... Read More
Product update: coding playground & testing APIs
Feed: Cambridge Intelligence. Author: Dan Williams. Application developers will notice big improvements in the latest releases of our graph visualization toolkits. There’s a faster, smoother installation experience for KeyLines, new ReGraph testing APIs, and KeyLines gets its own live-coding playground. Get creative with the KeyLines playground KeyLines now comes with its own playground: an interactive code editor and live visualization tool. Welcome to the KeyLines playground When you open the playground, you can build or edit a KeyLines application right in your browser and instantly see the results. No data is stored or sent to a server – the code ... Read More
Performance Testing roduction workloads for Ingres and Vector
Feed: Actian. Author: Sean Paton. One of the main concerns of Ingres and Vector customers whose systems need to undergo a significant change, such as major version upgrades, OS migration, major software releases, increased volumes of usage, etc, is how to properly test the database under realistic conditions in a test environment.Some customers have heard of the Query, Recording and Playback (QRP) tool, developed by Actian Professional Services, at user meetings. The aim of the tool is to test the Ingres or Vector database in near-to production conditions by recording and then playing back a production workload in a test ... Read More
Microsoft announces new collaboration with Red Button for attack simulation testing

Feed: Microsoft Azure Blog. Author: Alethea Toh. As we highlighted in our latest attack trends report, Distributed Denial-of-Service (DDoS) attacks are one of the biggest security concerns today. Whether in the cloud or on-premises, DDoS attacks can be targeted at any endpoint that is publicly reachable through the internet. Planning and preparing for a DDoS attack is crucial to a well-vetted incident management response plan. Today, Microsoft is excited to announce a new collaboration with Red Button, offering our customers an additional DDoS attack simulation testing provider to choose from. With Red Button’s DDoS Testing service suite, you will be ... Read More
Full Stack Testing
Feed: O'Reilly Media, Inc. Upcoming Titles. Author: O'Reilly Media, Inc.. Testing is a critical discipline for any organization looking to deliver high-quality software. This practical book provides software developers and QA engineers with a comprehensive one-stop guide to testing skills in 10 different categories. You'll learn appropriate strategies, concepts, and practical implementation knowledge you can apply from both a development and testing perspective for web and mobile applications.Author Gayathri Mohan offers examples of more than 40 tools you can use immediately. You'll acquire the skills to conduct exploratory testing, test automation, cross-functional testing, data testing, mobile testing, and visual testing, ... Read More
Frits Hoogland: Testing an application with a network delay
Feed: Planet PostgreSQL. This blogpost is about a linux feature to introduce delays in sending packets on the network. A first question obviously is: why would you want this? Well, for several reasons actually. If you deploy anything in the cloud in multiple availability zones, there will be a delay between nodes in these zone's, because the physical distance will enforce a delay, because a packet has to travel that distance, and that takes time, which is ultimately limited by the speed of light. On top of that comes the logical distance, which is how the network between the two ... Read More
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