Ravi Sir's Cards › AWS
What if a target fails?
This interview card answers: What if a target fails? Configure DLQ (SQS) and retry policy on the target; alarm on InvocationsFailed. Fix the consumer, then drain or replay from archive/DLQ. Pack Lambda errors go to DLQ; after patch, replay archived OrderPlaced.
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What this card says
What it is
Configure DLQ (SQS) and retry policy on the target; alarm on InvocationsFailed.
DLQ
Why it matters
Fix the consumer, then drain or replay from archive/DLQ.
How / example
Pack Lambda errors go to DLQ; after patch, replay archived OrderPlaced.