File _constraints of Package xtrabackup
<constraints> <overwrite> <conditions/> <hardware> <physicalmemory> <size unit="G">6</size> </physicalmemory> <disk> <size unit="G">8</size> </disk> </hardware> </overwrite> </constraints>
<constraints> <overwrite> <conditions/> <hardware> <physicalmemory> <size unit="G">6</size> </physicalmemory> <disk> <size unit="G">8</size> </disk> </hardware> </overwrite> </constraints>