Q5
Compare SNS vs SQS.
💬Answer
- SNS (Simple Notification Service): A pub/sub messaging service. It pushes messages instantly to all subscribed endpoints (e.g., Lambda, SQS queues, HTTP endpoints). It has no message retention; if there are no subscribers, the message is lost.
- SQS (Simple Queue Service): A message queuing service. It stores messages until consumers poll, process, and delete them. It provides durability and message buffering.
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Apurv Gujjar
DevOps & Cloud Engineer
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