Why do SqS messages sometimes remain in-flight on queue

Question

I\'m using Amazon SQS queues in a very simple way. Usually, messages are written and immediately visible and read. Occasionally, a message is written, and remains In-Flight(Not

Answer 1

It may happen when you send or lock a message and within some seconds you try to get the fresh list of messages. Amazon SQS stores the data into multiple servers and in multiple data centers http://aws.amazon.com/sqs/faqs/#How_reliably_is_my_data_stored_in_Amazon_SQS.

To get rid of these issues you need to wait more so that queue would have more time to give appropriate results.