Before enabling encryption we were getting 118 - 120 MBs throughput to our 
LTO-4 tape drive.
With encryption turned on we get 38-39MBs throughput. bacula process is at 98 - 
100 % cpu while running.
I tried cutting the key size down to 472bits from 2048bits but it didn't make a 
difference.
The machine is a 2.3 Ghz quad core xeon w/ 12GB of ram.
Everything is ran on one machine. (dir,fd,etc..)

Any ideas whats up or how I can improve speed of backups w/ encryption enabled?

Thanks,
  William
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