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  • Java

loadCollection()

This operation loads the data of a specific collection into memory.

public void loadCollection(LoadCollectionReq request)

notes

This operation is required only if the target collection is not loaded. A collection is in the NotLoad state only if you have released the collection or you have created the collection without any index parameters.

Request Syntax

loadCollection(LoadCollectionReq.builder()
    .collectionName(String collectionName)
    .numReplicas(Integer numReplicas)
    .async(Boolean async)
    .timeout(Long timeout)
    .build()
)

BUILDER METHODS:

  • collectionName(String collectionName)

    The name of a collection.

  • numReplicas(Integer numReplicas)

    The number of replicas to create upon collection load.

    The value defaults to 1, indicating that one replica is to be created upon collection load.

  • async(Boolean async)

    Whether this operation is asynchronous.

    The value defaults to Boolean.True, indicating immediate return while the process may still run in the background.

  • timeout(Long timeout)

    The timeout duration of the process. The process terminates after the specified duration expires.

    The value defaults to 60000L, indicating the timeout duration is one minute.

RETURNS:

void

EXCEPTIONS:

  • MilvusClientExceptions

    This exception will be raised when any error occurs during this operation.

Example

// load collection "test"
LoadCollectionReq loadCollectionReq = LoadCollectionReq.builder()
        .collectionName("test")
        .build();
client.loadCollection(loadCollectionReq);
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