Free memory:       50102049799 bytes (70%)
Used memory:       21884890416 bytes (30%)
-------------     ------------------
Total memory:      71986940215 bytes (100%)

Note: Free memory is the free system memory. Additional memory may
      be available from memory pools internal to the firewall process.
      Use 'show memory detail' to see this information, but use it
      with care since it may cause CPU hogs and packet loss under load.