9 transactions (4 requested), each up to 2048 blocks
average: 
  0ms waiting for transaction
  0ms request delay
  4132ms running transaction
  0ms transaction was being locked
  0ms flushing data (in ordered mode)
  43ms logging transaction
  69159us average transaction commit time
  55 handles per transaction
  8 blocks per transaction
  10 logged blocks per transaction
