TransferReplica()

This operation transfers replicas from one resource group to another.

Go

func (c *Client) TransferReplica(ctx context.Context, opt TransferReplicaOption, callOptions ...grpc.CallOption) error

Request Syntax

Go

option := milvusclient.NewTransferReplicaOption(collectionName, sourceGroup, targetGroup, replicaNum).
    WithDBName(dbName)

err := client.TransferReplica(ctx, option)

PARAMETERS:

• collectionName (string)

  The name of the target collection.

• sourceGroup (string)

  The source group.

• targetGroup (string)

  The target group.

• replicaNum (int64)

  The replica num value.

OPTION METHODS:

• WithDBName(dbName string)

  Specifies the database to use for the operation.

RETURN TYPE:

error

RETURNS:

Returns nil on success, or an error describing what went wrong.

EXCEPTIONS:

• error

  Check err != nil for failure details.

Example

Go

import (
	"context"

	"github.com/milvus-io/milvus/client/v2/milvusclient"
)

ctx, cancel := context.WithCancel(context.Background())
defer cancel()

cli, err := milvusclient.New(ctx, &milvusclient.ClientConfig{
	Address: milvusAddr,
})
if err != nil {
	// handle error
}

defer cli.Close(ctx)

err = cli.TransferReplica(ctx, milvusclient.NewTransferReplicaOption("quick_setup", "rg_1", "rg_2", 1))
if err != nil {
	// handle error
}