stats:
  3489325 objects
  3489315 reclaimable objects
  30246392673/1124474385 cache hits/misses
  2296020 inodes on list
average:
  49 us scan time
  106 shrunk objects
maximum:
  8585679 inode (130564 objects, 130564 reclaimable)
  20601 us max scan time
