/*
playback timings (ms):
  LoadShardBlock: 30.271 (3)
  esindex: 0.006
  captures_list: 47.748
  CDXLines.iter: 13.989 (3)
  PetaboxLoader3.datanode: 43.995 (4)
  exclusion.robots: 0.267
  exclusion.robots.policy: 0.254
  RedisCDXSource: 0.591
  PetaboxLoader3.resolve: 20.804
  load_resource: 42.048
*/