"capped collection" meaning in English

{
  "forms": [
    {
      "form": "capped collections",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "capped collection (plural capped collections)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Databases",
          "orig": "en:Databases",
          "parents": [
            "Computing",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "In MongoDB, a fixed-size collection that, once the size limit has been reached, replaces the oldest record whenever a new one is added."
      ],
      "id": "en-capped_collection-en-noun-aRgWxFlH",
      "links": [
        [
          "database",
          "database"
        ],
        [
          "collection",
          "collection"
        ],
        [
          "record",
          "record"
        ]
      ],
      "raw_glosses": [
        "(databases) In MongoDB, a fixed-size collection that, once the size limit has been reached, replaces the oldest record whenever a new one is added."
      ],
      "topics": [
        "computing",
        "databases",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "capped collection"
}

{
  "forms": [
    {
      "form": "capped collections",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "capped collection (plural capped collections)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Databases"
      ],
      "glosses": [
        "In MongoDB, a fixed-size collection that, once the size limit has been reached, replaces the oldest record whenever a new one is added."
      ],
      "links": [
        [
          "database",
          "database"
        ],
        [
          "collection",
          "collection"
        ],
        [
          "record",
          "record"
        ]
      ],
      "raw_glosses": [
        "(databases) In MongoDB, a fixed-size collection that, once the size limit has been reached, replaces the oldest record whenever a new one is added."
      ],
      "topics": [
        "computing",
        "databases",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "capped collection"
}