/*
playback timings (ms):
  captures_list: 89.99
  exclusion.robots: 0.117
  exclusion.robots.policy: 0.107
  RedisCDXSource: 1.264
  esindex: 0.01
  LoadShardBlock: 68.739 (3)
  PetaboxLoader3.datanode: 152.036 (4)
  CDXLines.iter: 16.739 (3)
  load_resource: 179.093
  PetaboxLoader3.resolve: 79.754
*/