This is work queue not a message queue
Must READ: http://learnmongodbthehardway.com/schema/queues/ http://mongodb.github.io/node-mongodb-native/schema/chapter7/
Also Read: https://medium.com/dlt-labs-publication/mongodb-queue-and-processing-in-distributed-systems-a805b32f6e76 https://www.slideshare.net/mongodb/mongodb-as-message-queue https://www.slideshare.net/mongodb/buildi?next_slideshow=1