Membuat instance sekunder

Cuplikan ini menunjukkan cara membuat instance sekunder baru dalam cluster yang ada. Anda dapat menggunakan instance sekunder sebagai replika hanya baca untuk meningkatkan performa dan ketersediaan baca.

Contoh kode

C#

Untuk melakukan autentikasi ke AlloyDB, siapkan Kredensial Default Aplikasi. Untuk mengetahui informasi selengkapnya, lihat Menyiapkan autentikasi untuk lingkungan pengembangan lokal.

using Google.Cloud.AlloyDb.V1;
using Google.LongRunning;

public sealed partial class GeneratedAlloyDBAdminClientSnippets
{
    /// <summary>Snippet for CreateSecondaryInstance</summary>
    /// <remarks>
    /// This snippet has been automatically generated and should be regarded as a code template only.
    /// It will require modifications to work:
    /// - It may require correct/in-range values for request initialization.
    /// - It may require specifying regional endpoints when creating the service client as shown in
    ///   https://cloud.google.com/dotnet/docs/reference/help/client-configuration#endpoint.
    /// </remarks>
    public void CreateSecondaryInstance()
    {
        // Create client
        AlloyDBAdminClient alloyDBAdminClient = AlloyDBAdminClient.Create();
        // Initialize request argument(s)
        string parent = "projects/[PROJECT]/locations/[LOCATION]/clusters/[CLUSTER]";
        Instance instance = new Instance();
        string instanceId = "";
        // Make the request
        Operation<Instance, OperationMetadata> response = alloyDBAdminClient.CreateSecondaryInstance(parent, instance, instanceId);

        // Poll until the returned long-running operation is complete
        Operation<Instance, OperationMetadata> completedResponse = response.PollUntilCompleted();
        // Retrieve the operation result
        Instance result = completedResponse.Result;

        // Or get the name of the operation
        string operationName = response.Name;
        // This name can be stored, then the long-running operation retrieved later by name
        Operation<Instance, OperationMetadata> retrievedResponse = alloyDBAdminClient.PollOnceCreateSecondaryInstance(operationName);
        // Check if the retrieved long-running operation has completed
        if (retrievedResponse.IsCompleted)
        {
            // If it has completed, then access the result
            Instance retrievedResult = retrievedResponse.Result;
        }
    }
}

Langkah berikutnya

Untuk menelusuri dan memfilter contoh kode untuk produk Google Cloud lainnya, lihat browser contohGoogle Cloud .