Questions tagged [architecture]
The high-level design and description of a software system. Architectural design distills away details of implementations, algorithms, and data representation to concentrate on the interaction of "black box" components.
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Is a Hybrid Decentralized Messaging System with Ephemeral Data Storage Scalable and Suitable? [closed]
I’m in the process of designing a messaging system with the following characteristics and components:
Nature: Hybrid decentralized.
Centralized Servers:
Serve as bootstrap nodes.
Run IPFS gateways (...
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Access Token Or Alternative for Microservices For Resource Level Granular Checks
Hi I have following structure :
Client App (layer 1)
Business logic Services ( Layer 2)
Business Logic layer consists of many microservices . Access token can be created and passed from APP layer to ...
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Clean Architecture with Microservices
I'm fairly new at system architecting and I'm looking for some advice. My company is revamping its order management system. Currently is a monolith system that scales very poorly and is difficult for ...
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UI or Application layer responsibility - retrieving additional data for display
I have an application service that retrieves Order data. The service is consumed in UI, where it can be edited by users.
Additionally, the users wants to see related data such as ordered products' ...
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Single-threaded request-response type server architecture
I'm writing an internet service in Rust that works more or less like an HTTP-server, just without the HTTP part, and strictly over UDP. I also have a requirement to build it like an old-school game of ...
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Handing skewed processing time of events in a streaming application
I have a streaming application (written over spark/storm/whatever does not matter). Kafka is used as a source of stream events. Now there are some events that take significantly larger resource (time, ...
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Long living domain object and change tracking? [closed]
Scenario
Let's assume an UI form, e.g. EditProductForm where user can perform multiple actions which involves domain logic and save all changes together. I also need to track changes for auditing.
...
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hexagonal architecture vs clean architecutre
I am trying to improve the architecture for my React app project that has grown in size lately.
I'm looking at Hexagonal architecture and Clean architecture, and I couldn't really see the difference ...
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How is exception handling implemented in software architecture? [closed]
I am currently learning about software architecture and I have some questions about exceptions processing as it is an important part of the software.
In which document and how should I describe how ...
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How can I represent a transformed AST between compilation stages?
I'm writing a compiler in Rust. I've reached the point where I have an AST and am ready to do symbol resolution, type-checking, etc. But, I'm unsure of how to represent an AST as containing "...
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Any concerns calling localhost service via web browser?
A bit of architecture here, I want to determine if there is any concern(s) about it.
The interesting part, in diagram below, is the communication between the Local Service and the browser that a user ...
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How to integrate business logic from Domain layer with UI
I have a rich client with quite complex domain logic and I want to keep the domain and presentation layer separated. How would you advice to intergrate the domain logic with the UI in this case.
I ...
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Synchranization issue in async jobs created and finished before main thread ends
Main execution thread creates asynchronous job (started and executed by different process) that works on same data that the main thread. For example we create some database entries, that we want to ...
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Where to perform conditional mapping in Domain Driven Design?
How can I do conditional mapping in Domain Driven Design?
Let's say my application is structured like this:
- Core
- Domain
- Application
- Presentation
- DTOs
- API
I have an aggregate root ...
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MVVM architecture and computations on data before presentations
I have an android app in which I am trying to follow the MVVM arcitecture.
I have a Room database, abstracted by a Repository class that has methods like getAllData() which I use in my *ViewModel ...
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What are the pros and cons of structuring an application as a pipeline of functions mutating a shared struct?
I could not find anything regarding this question except some lecture notes about game design and a book which describes something similar but not quite the same.
General Description
The approach is ...
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Is the maximum number of outstanding load instructions limited by the CPU architecture or the program?
I'm reviewing some lecture slides and had a question on the following slide :
Assumptions (8 clocks to transfer data) Up to 3 outstanding load requests.
The slide is illustrating that the number of ...
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How to develop a desktop software with components based on several different technologies
If I give a real example, I want to create a desktop software that includes:
electron js app that communicates with react js using IPC channels.
I need to communicate with software that only has a ...
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Can multiple producers cause events with the same key to be enqueued out of order within a specific partition of a topic?
I'm aiming to create a simple event-driven system where each microservice operates with its own database. The idea is to share database changes across microservices through events. To ensure proper ...
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Good reason not to do this: Pub/Sub with only 1 topic and publishers are also subscribers
Looking for a good reason to avoid this solution.
Problem
Multiple microservices/SAAS, each storing the same data that needs to be synced (example is customer contact details).
1st is an OAuth ...
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Centralize input validation across multiple Microservices
My company, which specializes in logistics and transportation, delegated the majority of the backend microservices to our team. All of the microservices (which our team inherited from "past ...
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Console application vs. logger
I'm making a console application that returns a lot of information directly to the console. I do this with a custom logger. Actually my logger implementation is just a frontend to print (with some ...
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What is the difference between detailed design and design for construction?
I am currently reading Code Complete. And I was confused when the author in one case uses the term "detailed design", and in the other "design for construction". What is their ...
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What is the name of the approach (practice) when several unrelated entities are returned at once in the response to a request [closed]
For example, for a mobile frontend, you need to get all the data for rendering at once. The interface is divided into blocks, in which there can be both blocks with a catalog (categories) and other ...
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Is MVVM appropriate for a .NET MAUI Blazor hybrid app?
I am preparing to create my first .NET MAUI Blazor hybrid app. It is a relatively new technology so there aren't a ton of resources to look at, but of the ones I have found, they are all structured ...
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How to handle concurrently caching expensive request data in postgres?
I have a kubernetes deployment which is fielding expensive (but cache-able) requests, let's say a website scraping service (not really) which takes about 15 seconds to scrape a website. In my backend ...
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Creating Controllers and Repositories without corresponding Models
I have to create a system to interview people on a few topics where they have to answer both objective and discursive questions, where questions may change between interviews. I structured the ...
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Placing business logic on a not so small/big project
I am having a bit of problem trying to find the correct place for business logic. The project I am working on isn't huge, but is not small either and has a very considerable importance in my company. ...
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Using messaging and rest to communicate services at the same time
I have two microservices, USERS and PRODUCTS, the second one creates objects referred to first one so it needs first to check that exists
First I though in a redis cache, but then I realize that for ...
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How to test a service that only connects other services
I'm currently scratching my and my colleagues head about whether and how we could test SyncService::syncFoo in any meaningful way
that does not involve basically recreating the whole call tree as ...
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Generic message broker based on WCF
I apologize in advance for a long-read question, but i'm hardly stuck here and don`t how to ask for help using fewer words.
I need to implement a middleware service which should be placed between two ...
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SwiftUI, Core Data/SwiftData and Tight Coupling with the Views
I am starting to work on Core Data applications with SwiftUI. I have a view that looks like this:
struct ContentView: View {
@FetchRequest(sortDescriptors: []) private var todoItems: ...
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Web applications, cookies and GDPR
... or technology stack for compliant web applications.
GDPR among other includes cookies usage defining four cookie types: strictly necessary cookies , preferences cookies, statistics cookies, ...
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Handling a single event as broadcast and round-robin depending on service
I have Service A that publishes an event to RabbitMQ. I have two instances of Service B that will use the event to write to its database. I have two instances of Service C that will send the event ...
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Using cloud data warehouse as back-end for website
I am building a website, where the main data source is Snowflake, a cloud data warehouse.
This cannot be changed, but we can add other technologies.
There is a lot of data in Snowflake, and the ...
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How to use an external event queue with inversion of control (IoC)
I'm working on an AspNetCore application, with a requirement to raise and handle certain events asynchronously using an external event queue. I'll use AWS services as examples here because that's what ...
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Single api gateway or one for each microservice
We are going to have multiple microservices and decided to use api gateway. What we couldn't decide is if we should go for a single gateway for all of them or one for each. The reason why one for each ...
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Design considerations for data shared across multiple users: is Redis a good candidate?
I have an app that has an assets table like the following:
user_id
code
current_price
1
ALUP11
12.5
2
ALUP11
11.9
user_id and code are unique together and current_price is updated if the user ...
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What lessons can be learned from the architecture/combination of ESLint and Prettier for linting and code formatting?
I was looking through the prettier docs and the prettier source code. It essentially has those defined helper functions to layout the text, given an AST. It operates on the level of the whole file, on ...
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Is it more secure to develop libraries in-house than using existing libraries? [closed]
I (unfortunately) work in a large German corporation, in a department where the codebase is up to 20 years old, written in C++ (actually more like C with the occasional classes, since most developers ...
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How to safely store application data on shutdown?
I am writing a Windows Service using the Windows Background Worker Service template. Some data that I track needs to persist between application instances (i.e. after shutdown and restart).
Initially, ...
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Does it make sense to create a new service to house multiple features that are related business-wise but tech-wise independent?
We are beginning to add third-party integrations that all have to do with a certain business concept. (If it helps to make things concrete, in our case it's "measurements," i.e. third-party ...
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Using a shared enum across 15 nanoservices [closed]
Originally posted here, moved to code review, redirected from code review back here as there is no code to review. I think the question is enough abstract to be asked here.
I have a mono repo with ...
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Are Physical Firewalls mandatory
I have a Delphi software application that uses non standard port nnnnn to nnnnn+50 with the FTPS protocol TLS 1.3
Until now I was suggesting my customers that the Server Side application needs to have
...
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sync over async in K8S
We build up a microservice architecture which is called from above by a REACT SPA. All is deployed in the AWS Cloud, that is to say in an AWS EKS (K8S). We have at most 600 users in parallel.
Do you ...
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Implementing feature to show human-readable activity history to user
I'm creating a web app and looking to have a feature to show a history of updates/activities of other users to the current user. For example if another user creates a project. The user should see ...
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The recommended Spring Boot project structure leads to repetitive code
When implementing projects in Spring Boot (especially CRUD applications), I often find myself writing a lot of repetitive code that just calls functions and services from lower layers. For example, ...
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Architecture question for dynamic 'my actions' list
I am looking to create a "my actions" block on the dashboard of the website.
This block would include all sort of dynamic actions that the user needs to do.
Some examples are:
The volunteer ...
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Complicated task scheduling architecture
So I want to make an application in which a user will hit an endpoint to save a job model to storage that includes some metadata to perform a long computation against which will be offloaded to a ...
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OpenID Connect and User Management Best Practices
Currently my company has 2 applications that use Identity Server for SSO. Not every client we have uses both applications but some do. The part I'm uneasy about is that both apps have a user ...
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