300 transactions (38 requested), each up to 2048 blocks
average: 
  0ms waiting for transaction
  0ms request delay
  5040ms running transaction
  0ms transaction was being locked
  0ms flushing data (in ordered mode)
  19ms logging transaction
  11784us average transaction commit time
  49 handles per transaction
  2 blocks per transaction
  4 logged blocks per transaction
