750 transactions (620 requested), each up to 65536 blocks
average: 
  0ms waiting for transaction
  20ms request delay
  1867ms running transaction
  0ms transaction was being locked
  0ms flushing data (in ordered mode)
  73ms logging transaction
  65210us average transaction commit time
  87 handles per transaction
  8 blocks per transaction
  10 logged blocks per transaction
