stats/batch2_append.json

{
  "new_sources": [
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    "hm",
    "adressa",
    "trivago",
    "foursquare",
    "lfm",
    "foodcom"
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  "existing_max_user_idx": 43026995,
  "existing_max_item_idx": 10331243,
  "first_new_user_idx": 43026996,
  "first_new_item_idx": 10331244,
  "immutability_ok": true,
  "per_source": [
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      "source": "amazon_m2",
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      "kept": 16543664,
      "users": 3401570,
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    {
      "source": "hm",
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    {
      "source": "adressa",
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    {
      "source": "trivago",
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    },
    {
      "source": "foursquare",
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    },
    {
      "source": "lfm",
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    },
    {
      "source": "foodcom",
      "raw": 1132367,
      "kept": 595046,
      "users": 44552,
      "items": 35942
    }
  ],
  "secs": 173.6
}