Current backup plan is a full backup every night, starting at 2am. Starts with system database backups, analytics database, and then the full production user database. After the job completes, log backups are taken every 5 mins.. I want to decrease both the size and time of the full user db backup. In the past 2 months, I've cleaned up the user db and dropped it from roughly 500GBs to 430GBs. The size of the full backup for the user db has dropped from 112GBs to 92GBs. The data transfer rate for systems averages at 74 MB/sec, Analytics averages 63 MB/Sec, and the main production database averages 18 MB/Sec. I thought deleting so much data would help decrease how long the full backup takes. Instead, it's increased in the past 2 months by a solid hour. What can I do to increase the data transfer rate of my main production db? Or is there something else I should focus on to decrease how long my full backup takes?
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