16 transactions (8 requested), each up to 2048 blocks
average: 
  0ms waiting for transaction
  0ms request delay
  3459ms running transaction
  0ms transaction was being locked
  0ms flushing data (in ordered mode)
  221ms logging transaction
  360447us average transaction commit time
  48 handles per transaction
  7 blocks per transaction
  9 logged blocks per transaction
