value {
  tag: "dummy"
  histo {
    max: 1023
    num: 1024
    sum: 523776
    sum_squares: 357389824
    bucket_limit: 0
    bucket_limit: 186
    bucket_limit: 372
    bucket_limit: 558
    bucket_limit: 744
    bucket_limit: 930
    bucket_limit: 1023
    bucket: 0
    bucket: 186
    bucket: 186
    bucket: 186
    bucket: 186
    bucket: 186
    bucket: 94
  }
}