4 transactions (2 requested), each up to 4096 blocks
average: 
  0ms waiting for transaction
  0ms request delay
  2929ms running transaction
  0ms transaction was being locked
  0ms flushing data (in ordered mode)
  14ms logging transaction
  9044us average transaction commit time
  2159 handles per transaction
  3 blocks per transaction
  5 logged blocks per transaction