Compressions

Compression type defines the compression method used during a backup job for the corresponding backup set. The Compression Type can be changed at anytime after backup set creation.

There are four compression types available. By default, newly created backup sets are configured to use "Fast" compression type for all SFTP/FTP and cloud destination. While for local destination, the default is "Fast with optimization for local". Basically. there is a trade off between Compression Type and CPU usage.

The Compression Type selected will affect the size of the backup files, which in turn will affect the storage usage and therefore the storage cost for each backup set. The size of the compressed file will affect the overall backup performance, as backup of smaller files over the internet is going to be quicker than larger files.

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For File, VMware ESXi/vCenter, and Hyper-v backup sets. If OpenDirect, Granular Restore, or Run Direct is enabled, then the compression type is automatically set to "No Compression" in order to ensure optimal restore performance.