Backups using queueing

Another strategy used in practice is utilizing a queuing system intercepting our database and the frontend software system. Having something like an ActiveMQ queue before inserts/updates/deletes in our database means that we can safely send out data to different sinks, these being MongoDB servers or log files in a separate repository. This method, like the delayed replica set method, can be useful for a class of backup problems but can fail for some others.

This is a useful interim solution but should not be used as a permanent one.
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