7999 transactions (238 requested), each up to 4096 blocks
average: 
  0ms waiting for transaction
  0ms request delay
  5509ms running transaction
  0ms transaction was being locked
  0ms flushing data (in ordered mode)
  4ms logging transaction
  4373us average transaction commit time
  218 handles per transaction
  6 blocks per transaction
  7 logged blocks per transaction