/*
playback timings (ms):
  captures_list: 0.636
  exclusion.robots: 0.018
  exclusion.robots.policy: 0.007
  esindex: 0.01
  cdx.remote: 48.06
  LoadShardBlock: 141.057 (3)
  PetaboxLoader3.datanode: 138.055 (4)
  PetaboxLoader3.resolve: 72.163 (2)
  load_resource: 97.414
*/