7 transactions (4 requested), each up to 2048 blocks
average: 
  0ms waiting for transaction
  0ms request delay
  3899ms running transaction
  0ms transaction was being locked
  0ms flushing data (in ordered mode)
  18ms logging transaction
  13946us average transaction commit time
  64 handles per transaction
  9 blocks per transaction
  11 logged blocks per transaction
