Ravi Sir's Cards › AWS
When do you need FIFO?
This interview card answers: When do you need FIFO? When order and exactly-once processing within a message group matter. Standard queue is usually enough for best-effort high throughput. Ledger postings use FIFO with MessageGroupId=accountId.
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What this card says
What it is
When order and exactly-once processing within a message group matter.
MessageGroupId
Why it matters
Standard queue is usually enough for best-effort high throughput.
How / example
Ledger postings use FIFO with MessageGroupId=accountId.