/*
playback timings (ms):
  LoadShardBlock: 322.653 (3)
  esindex: 0.015
  captures_list: 344.85
  CDXLines.iter: 15.402 (3)
  PetaboxLoader3.datanode: 170.47 (4)
  exclusion.robots: 0.514
  exclusion.robots.policy: 0.492
  RedisCDXSource: 1.914
  PetaboxLoader3.resolve: 238.723 (3)
  load_resource: 94.743
*/