transferNode()
MilvusClient interface. This method transfers a query node from the source resource group to another resource group.
R<RpcStatus> transferNode(TransferNodeParam requestParam);
TransferNodeParam
Use the TransferNodeParam.Builder to construct a TransferNodeParam object.
import io.milvus.param. TransferNodeParam;
TransferNodeParam.Builder builder = TransferNodeParam.newBuilder();
Methods of TransferNodeParam.Builder:
Method | Description | Parameters |
|---|---|---|
withSourceGroupName(String groupName) | Sets the source group name. groupName cannot be empty or null. | groupName: The name of the source group. |
withTargetGroupName(String groupName) | Sets the target group name. groupName cannot be empty or null. | groupName: The name of the target group. |
withNodeNumber(Integer nodeNumber) | Specify how many query nodes to transfer to another resource group. | nodeNumber: The number of nodes to transfer. |
build() | Construct a TransferNodeParam object. | N/A |
The TransferNodeParam.Builder.build() can throw the following exceptions:
- ParamException: error if the parameter is invalid.
Returns
This method catches all the exceptions and returns an R<RpcStatus> object.
-
If the API fails on the server side, it returns the error code and message from the server.
-
If the API fails by RPC exception, it returns
R.Status.Unknownand error message of the exception. -
If the API succeeds, it returns
R.Status.Success.
Example
import io.milvus.param.TransferNodeParam;
R<RpcStatus> response = client.transferNode(TransferNodeParam.newBuilder()
.withSourceGroupName(sourceName)
.withTargetGroupName(targetName)
.withNodeNumber(1)
.build());
if (response.getStatus() != R.Status.Success.getCode()) {
throw new RuntimeException(response.getMessage());
}