{
  "id": "cf.info",
  "title": "CF.INFO",
  "url": "https://redis.io/docs/latest/commands/cf.info/",
  "summary": "Returns information about a Cuckoo Filter",
  "tags": [
    "docs",
    "develop",
    "stack",
    "oss",
    "rs",
    "rc",
    "oss",
    "kubernetes",
    "clients"
  ],
  "last_updated": "2026-04-09T10:29:34-04:00",
  "page_type": "content",
  "content_hash": "46db6c598453d2d12f9023e068e714a51442f8f99e8ae4d55bca116d073a435f",
  "sections": [
    {
      "id": "overview",
      "title": "Overview",
      "role": "overview",
      "text": "Returns information about a cuckoo filter."
    },
    {
      "id": "required-arguments",
      "title": "Required arguments",
      "role": "content",
      "text": "<details open><summary><code>key</code></summary>\n\nis key name for a cuckoo filter.\n</details>"
    },
    {
      "id": "examples",
      "title": "Examples",
      "role": "example",
      "text": "redis> CF.INFO cf\n 1) Size\n 2) (integer) 1080\n 3) Number of buckets\n 4) (integer) 512\n 5) Number of filter\n 6) (integer) 1\n 7) Number of items inserted\n 8) (integer) 0\n 9) Number of items deleted\n10) (integer) 0\n11) Bucket size\n12) (integer) 2\n13) Expansion rate\n14) (integer) 1\n15) Max iteration\n16) (integer) 20"
    },
    {
      "id": "redis-software-and-redis-cloud-compatibility",
      "title": "Redis Software and Redis Cloud compatibility",
      "role": "content",
      "text": "| Redis<br />Software | Redis<br />Cloud | <span style=\"min-width: 9em; display: table-cell\">Notes</span> |\n|:----------------------|:-----------------|:------|\n| <span title=\"Supported\">&#x2705; Supported</span><br /> | <span title=\"Supported\">&#x2705; Flexible & Annual</span><br /><span title=\"Supported\">&#x2705; Free & Fixed</nobr></span> |  |"
    },
    {
      "id": "return-information",
      "title": "Return information",
      "role": "returns",
      "text": "One of the following:\n\n**RESP2:**\n\n* [Array reply]() with argument name ([Simple string reply]()) and value ([Integer reply]()) pairs.\n* [Simple error reply]() if invalid arguments are passed, `key` does not exist, or `key` is not of the correct type.\n\n**RESP3:**\n\n* [Map reply]() with argument name ([Simple string reply]()) and value ([Integer reply]()) pairs.\n* [Simple error reply]() if invalid arguments are passed, `key` does not exist, or `key` is not of the correct type."
    }
  ],
  "examples": []
}