3 surprising facts about AWS SQS FIFO queues
The first-in-first-out (FIFO) queue is the type of AWS SQS queue that guarantees order and provides exactly once delivery of messages. That sounds great, but there are some other important features to understand to avoid unexpected queue behaviour. In this article you’ll discover the 3 most important caveats with SQS FIFO queues. 1) If a message fails to be processed, it may block other messages When you send a message to a FIFO queue a message group id must be provided....