Category: Application Integration
Service: Amazon Simple Queue Service (SQS)
Answer:
SQS supports a wide range of message payload formats, including JSON, XML, plain text, and binary data. When sending a message to an SQS queue, the message payload can be up to 256 KB in size. The message format and encoding can be specified using the message attributes, which are key-value pairs associated with each message.
SQS also supports large message payloads, which can be up to 2 GB in size using the Amazon SQS Extended Client Library for Java. This library enables you to store the message payload in Amazon S3 and include a reference to the S3 object in the SQS message. This approach allows you to store and process large messages without incurring additional costs for storing them in SQS.
In addition, SQS supports message encryption using AWS Key Management Service (KMS) to help ensure the security and integrity of your messages. You can specify an AWS KMS customer master key (CMK) to encrypt messages sent to an SQS queue, and SQS will automatically decrypt the messages when they are retrieved from the queue.
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