« Simple queue service » : différence entre les versions
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= Description = | = Description = | ||
Message queue service, used to store messages while waiting for an application to process them. | Message queue service, used to store messages while waiting for an application to process them.<br> | ||
Pull-based service. | Pull-based service.<br> | ||
It allows to decouple your infrastructure. | |||
= Workflow = | = Workflow = | ||
Version du 26 avril 2024 à 15:00
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Description
Message queue service, used to store messages while waiting for an application to process them.
Pull-based service.
It allows to decouple your infrastructure.
Workflow
- a message is picked up by an application
- the message is marked as invisible so that no other application can start processing that message
- if the message stays invisible longer than the visibility timeout it becomes visible again
- when a application has completely processed a message, it is remove from the queue
Features
- Message size: 256 KB
- Short polling
- API call to get 10 messages max
- Long polling
- API call and wait X seconds for incoming messages
- less API calls: more efficient and cost effective
- Standard
- Order is NOT guaranteed
- Messages delivered more than once (duplicates)
- Great for performances
- FIFO
- Order is guaranteed
- Messages only delivered once
- Throughput limit 300 messages /s w/o batching, 3000 messages /s with batching
