SQS Flashcards
1
Q
SQS “Redrive to Source” Queues – function and architecture
A
A feature that allows you to manage the lifecycle of unconsumed messages in the Dead Letter Queue. Automates moving messages from DLQ —-> Ordinary Queue once an application problem is solved.
2
Q
How does the “ReceiveMessage” “WaitTimeSeconds” govern whether you implement SQS Short Polling or Long Polling?
A
Wait Time Seconds = 0 means short polling
Wait Time Seconds from 1 to 20 = long polling
