Veeam data reduction compression level

  • Does Veeam compress data?

    Veeam Backup & Replication performs compression on a per-block basis, using the block size selected by the storage optimization settings.
    The proxy reads each block from the source disk and applies the compression algorithm to the block before transferring it to the repository..

  • Does Veeam have deduplication?

    By default, Veeam's block size is set to local target, which is .

    1. MB before compression

  • Does Veeam use deduplication?

    By default, Veeam's block size is set to local target, which is .

    1. MB before compression

  • How much does Veeam compress?

    On average, you can expect about 45% compression, which gives around 0.

    1. TB repository space in your case

  • What is the compression rate for Veeam Office 365 backup?

    Inline deduplication is a feature offered by Veeam B&R and it's used to reduce the amount of storage space required to store backup data by removing duplicate data..

May 9, 2023High compression level provides up to 60% of additional data reduction over the Optimal compression level at the cost of 2x higher CPU usage 

How does Veeam Backup for Microsoft 365 compress data?

To compress data, Veeam Backup for Microsoft 365 uses the ZSTD algorithm.
For more information about this algorithm, see this Zstandard article.
Compression is done by the backup proxy server that you specify at the Specify Backup Proxy Server step.
Certain types of data such as:

  1. images or other media files cannot be compressed properly
,

What compression levels does Veeam Backup & Replication support?

Veeam Backup & Replication allows you to select one of the following compression levels:

  1. None compression level is recommended if you plan to store backup files and VM replica files on storage devices that support hardware compression and deduplication
,

What is optimum compression level?

Optimal compression level is the recommended compression level.
It provides the best ratio between compression and performance, the lowest backup proxy CPU usage and the fastest restore.
High compression level provides up to 60% of additional data reduction over the Optimal compression level at the cost of 2x higher CPU usage and 2x slower restore.

What compression levels does Veeam Backup & Replication support?

Veeam Backup & Replication allows you to select one of the following compression levels: None compression level is recommended if you plan to store backup files and VM replica files on storage devices that support hardware compression and deduplication

The 512 KB option is recommended for backup to NAS and onsite backup. With this option selected, Veeam Agent uses data block size of 512 KB. This option reduces the size of an incremental backup file because of reduced data block sizes. The 256 KB option is recommended if you plan to use WAN for offsite backup.

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