Questions tagged [messaging]
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107 questions
1 vote
2 answers
298 views
CQRS: Multiple entry points for a single command
I’m trying to follow the Clean Architecture and CQRS within an application that, let’s say, create a product. To achieve this, the application has 3 adapters, one for reading a file, another for ...
2 votes
1 answer
487 views
Cons of sending content-available=true and content-priority=high in BULK FCM messages?
While sending FCMs, I've noticed these two headers are important(message won't go without these headers), but what could be the cons of sending both of these headers as it is? I tried to read about ...
- 191
0 votes
0 answers
126 views
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 ...
- 101
2 votes
2 answers
2k views
How to design inter-service communication with notifications microservice?
I'm creating an application based on the microservice architecture and stuck on notifications microservice design. Basically it should be a service that notifies users about events happening in the ...
- 121
1 vote
1 answer
100 views
Efficient Schema For Pairing Styling Metadata with Text Fields in JSON Messages
I am trying to design a schema for pairing styling data with text. However, I need it to pair styling metadata to only one part of a larger string. For example: "This is a test string" I ...
- 143
0 votes
4 answers
487 views
GUID possible misuse as short term message id
I have an distributed application that sends P2P messages parallel (for fault tolerance) across different channels. This mandates an filter to avoid multiple receivement of the same message. Therfor I ...
- 231
2 votes
1 answer
652 views
Internal/external commands in CQRS
I have several questions related to CQRS in eventually consistent systems with a need of resilient Command/Event processing. Is it OK to have external/public synchronous Commands (triggered by API, e....
- 121
-1 votes
1 answer
949 views
Chat app database architecture [closed]
I understand that chat apps are a fairly well understood and architected thing. I’m looking for some best practices advice on structuring the backend, particularly as it relates to user inboxes. One ...
- 255