> ## Documentation Index
> Fetch the complete documentation index at: https://doc.lucidworks.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Create Collections in Milvus

> Job configuration specifications

export const schema = {
  "type": "object",
  "title": "Create Collections in Milvus",
  "description": "Creates collections with specified parameters in Milvus",
  "required": ["id", "type"],
  "properties": {
    "id": {
      "type": "string",
      "title": "Job ID",
      "description": "The ID for this job. Used in the API to reference this job. Allowed characters: a-z, A-Z, dash (-) and underscore (_)",
      "maxLength": 63,
      "pattern": "[a-zA-Z][_\\-a-zA-Z0-9]*[a-zA-Z0-9]?"
    },
    "sparkConfig": {
      "type": "array",
      "title": "Additional parameters",
      "description": "Provide additional key/value pairs to be injected into the training JSON map at runtime. Values will be inserted as-is, so use \" to surround string values",
      "hints": ["advanced"],
      "items": {
        "type": "object",
        "required": ["key"],
        "properties": {
          "key": {
            "type": "string",
            "title": "Parameter Name"
          },
          "value": {
            "type": "string",
            "title": "Parameter Value"
          }
        }
      }
    },
    "writeOptions": {
      "type": "array",
      "title": "Write Options",
      "description": "Options used when writing output to Solr or other sources",
      "hints": ["advanced"],
      "items": {
        "type": "object",
        "required": ["key"],
        "properties": {
          "key": {
            "type": "string",
            "title": "Parameter Name"
          },
          "value": {
            "type": "string",
            "title": "Parameter Value"
          }
        }
      }
    },
    "readOptions": {
      "type": "array",
      "title": "Read Options",
      "description": "Options used when reading input from Solr or other sources.",
      "hints": ["advanced"],
      "items": {
        "type": "object",
        "required": ["key"],
        "properties": {
          "key": {
            "type": "string",
            "title": "Parameter Name"
          },
          "value": {
            "type": "string",
            "title": "Parameter Value"
          }
        }
      }
    },
    "collections-list": {
      "type": "array",
      "title": "Collections",
      "description": "List of the collections that should be created with corresponding params.",
      "items": {
        "type": "object",
        "required": ["milvusCollectionName", "dimension", "indexFileSize", "metric"],
        "properties": {
          "milvusCollectionName": {
            "type": "string",
            "title": "Collection Name",
            "description": "Name of the collection to create in Milvus",
            "pattern": "^[a-zA-Z0-9_]+$"
          },
          "dimension": {
            "type": "integer",
            "title": "Dimension",
            "description": "Dimension size of vectors to be stored in the collection"
          },
          "indexFileSize": {
            "type": "integer",
            "title": "Index File Size",
            "description": "Files larger than this will trigger index building for raw data files",
            "default": 1024,
            "minimum": 1,
            "exclusiveMinimum": false
          },
          "metric": {
            "type": "string",
            "title": "Metric",
            "description": "Metric which should be used for vectors similarity",
            "enum": ["Euclidean", "Inner Product", "Hamming", "Jaccard", "Tanimoto", "Substructure", "Superstructure"],
            "default": "Inner Product"
          }
        }
      }
    },
    "allow-recreate": {
      "type": "boolean",
      "title": "Override collections",
      "description": "If checked and there are existing collections with the same names, they will be dropped and recreated. If unchecked, the exception is thrown in such situation."
    },
    "type": {
      "type": "string",
      "title": "Spark Job Type",
      "enum": ["argo-milvus-create-collections"],
      "default": "argo-milvus-create-collections",
      "hints": ["readonly"]
    }
  },
  "additionalProperties": true,
  "category": "Other",
  "categoryPriority": 1
};

export const SchemaParamFields = ({schema}) => {
  const sanitize = str => {
    if (typeof str !== "string") return str;
    return str.replace(/^"(.*)"$/s, "$1").replace(/\\/g, "").replace(/"/g, "'");
  };
  const formatDescription = str => {
    const s = sanitize(str);
    return (/[.!?]\)*$/).test(s) ? s : `${s}.`;
  };
  const {description, properties = {}, required: requiredProps = []} = schema;
  const visibleProps = useMemo(() => Object.entries(properties).filter(([, prop]) => !prop.hints?.includes("hidden")), [properties]);
  return <div>
      {description && <p>{formatDescription(description)}</p>}

      {visibleProps.map(([name, prop]) => {
    const isRequired = requiredProps.includes(name);
    const hasDefault = prop.default !== undefined;
    const rawDefault = prop.default;
    const isComplexDefault = hasDefault && (typeof rawDefault === "object" || typeof rawDefault === "string" && (rawDefault.length > 20 || rawDefault.includes('"')));
    const fieldProps = {
      key: name,
      body: prop.title || name,
      type: prop.type,
      ...prop.title && ({
        post: [<><span className="text-stone-400 dark:text-stone-500">API property: </span>{name}</>]
      }),
      ...isRequired && ({
        required: true
      }),
      ...!isComplexDefault && hasDefault ? {
        default: sanitize(String(rawDefault))
      } : {}
    };
    const isObject = prop.type === "object" && prop.properties;
    const isArrayOfObjects = prop.type === "array" && prop.items?.type === "object" && prop.items.properties;
    return <ParamField {...fieldProps}>
            {prop.description && <p>{formatDescription(prop.description)}</p>}

            {isComplexDefault && <div className="flex">
                <p>
                  <strong>Default:</strong>
                </p>
                <pre className="!my-0">
                  <code>
                    {JSON.stringify(rawDefault, null, 2)}
                  </code>
                </pre>
              </div>}

            {isArrayOfObjects && <div className="flex">
              <p>
                <strong>Object attributes:</strong>
              </p>
              <pre className="!my-0">
                <code>
                  {'{\n'}
                  {Object.entries(prop.items.properties).map(([iname, iprop]) => <>
                      {`  ${iname}`}
                      {prop.items?.required?.includes(iname) && <span style={{
      color: 'red'
    }}> required</span>}
                      {`: {\n    display name: ${sanitize(iprop.title || '')}\n    type: ${iprop.type}\n  }\n`}
                    </>)}
                  {'}'}
                </code>
              </pre>
              </div>}

            {isObject && <Expandable title="properties">
                <SchemaParamFields schema={{
      properties: prop.properties,
      required: prop.required
    }} />
              </Expandable>}
          </ParamField>;
  })}
    </div>;
};

export const LwTemplate = ({title = "Key questions to get you started", icon = "sparkles", cta = "Powered by Agent Studio", linkHref = "https://lucidworks.com/demo/?utm_source=docs&utm_medium=referral&utm_campaign=docs_cta_ai"}) => {
  const [isLoaded, setIsLoaded] = useState(false);
  useEffect(() => {
    const timer = setTimeout(() => {
      setIsLoaded(true);
    }, 500);
    return () => clearTimeout(timer);
  }, []);
  return <div className="lw-template-container">
      <Card title={title} icon={icon}>
        {isLoaded && <span dangerouslySetInnerHTML={{
    __html: `<lw-template id="a029c1a9-28be-427e-b0e1-5d918920246a"></lw-template
            >`
  }} />}
        <Link href={linkHref} className="agent-studio-link text-left text-gray-600 gap-2 dark:text-gray-400 text-sm font-medium flex flex-row items-center hover:text-primary dark:hover:text-primary-light group-hover:text-primary group-hover:dark:text-primary-light">Powered by Lucidworks Agent Studio</Link>
      </Card>
    </div>;
};

[localhost link]: http://localhost:3000/docs/lucidworks-search/09-developer-documentation/config-specs/jobs/create-collections-milvus

[mintlify link]: https://doc.lucidworks.com/docs/lucidworks-search/09-developer-documentation/config-specs/jobs/create-collections-milvus

[old doc.lw link]: https://doc.lucidworks.com/managed-fusion/5.9/nzjgd9

Creates collections with specified parameters in [Milvus](/docs/5/fusion/intro/fusion-stack/milvus).

<LwTemplate />

## Configuration properties

<SchemaParamFields schema={schema} />