Backup Compression

Sample backup compression figures – SQL Server 2012.  The relative sizes and timings are interesting. This was a database with data that compressed well.

  • Uncompressed backup file:  73.4GB.  18 minutes to create
  • Compressed backup:  17.5GB.  About 20 minutes to create
  • Compressing the 73.4GB backup file using 7-zip:  9.7GB.  About 2 hours to compress.


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