9/25/2023 0 Comments Sqs queue fifoThere are scenarios when a message could be received by a consumer more than once. Message DeliveryĪ standard queue guarantees at-least once delivery of a message. A message group is required to send and receive a message from a FIFO queue. In a FIFO queue, messages are grouped into “Message groups” and all messages within a message group are sent and received in strict order. Key Differences between Standard and FIFO queuesģ000 messages per second with batching or 300 messages per second without batchingĪ standard queue tries to preserve the order of messages (best-effort), but there is a possibility of a message being delivered out of order. Standard queues are the default type of queue provided by SQS FIFOįIFO (First-in First-Out) queues are designed for applications where the order of events is critical or where de-duplication of messages is required. Messages must be deleted by the consumer after processing to ensure they aren’t processed by any other consumers.
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