1. Persistence and Durability ActiveMQ Depending on the configuration ActiveMQ can maintain a message journal1. Each message is first written into a journal before being shipped to consumers. Ultimately, the number of messages that can be persisted is constrained by the available disk capacity. SQS Amazon SQS stores messages in a distributed storage across all availability zones in a given region2. Each message size can … Continue reading Top Ten Differences Between ActiveMQ and Amazon SQS