« Simple queue service » : différence entre les versions
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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. | ||
Pull-based service. | Pull-based service. | ||
= 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 = | = Features = | ||
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.
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
