Disclaimer: I am not a MongoDB person. These steps may or may not be appropriate and proper. But they worked for me :) Feel free to post in comments if I’m doing something wrong
MongoDB config - enabling replica sets For Debezium to be able to stream changes from MongoDB, Mongo needs to have replication configured:
Docs: Replication / Convert a Standalone to a Replica Set
rmoff@proxmox01 ~> sudo service mongod stop Add replica set config to /etc/mongod.