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Hologres:Connect to an instance

Last Updated:Mar 18, 2025

HoloWeb is a development platform that is used to process data in Hologres instances. This topic describes how to use HoloWeb to connect to a Hologres instance.

Prerequisites

  • An Alibaba Cloud account is created.

  • The real-name verification is complete.

  • A Hologres instance is purchased. For more information, see Purchase a Hologres instance.

Connect to an instance

  1. Log on to the Hologres console.

  2. In the top navigation bar, select a region.

  3. In the left-side navigation pane, click Go to HoloWeb to go to the HoloWeb console.

  4. On the Metadata Management tab, click Instances.

  5. In the Instances dialog box, configure the parameters and click OK.

    Parameter

    Description

    Required

    Network Type

    • public network: The following regions are supported: China (Shanghai), China (Shenzhen), China (Beijing), China (Hangzhou), China (Zhangjiakou), Singapore, China (Hong Kong), Malaysia (Kuala Lumpur), Indonesia (Jakarta), and US (Silicon Valley).

      The 公网实例 icon indicates that the Hologres instance is of the public network type.

    • VPC: You can select only the region from which you log on to the HoloWeb console.

      The VPC网络 icon indicates that the Hologres instance is of the VPC network type. Instances of this network type cannot be edited or removed.

    No

    Instance Name

    The name of a Hologres instance that is created by using the current Alibaba Cloud account.

    Note

    After you purchase an instance, the HoloWeb page takes time to load the instance information. Therefore, the instance name may be displayed with a delay. In this case, you can manually configure parameters such as Domain Name to connect to a specific instance.

    No

    Name

    After you configure the Instance Name parameter, the name of the specified instance is automatically displayed in the Name field. You can also enter a custom connection name.

    Yes

    Description

    The description of the connection.

    No

    Domain Name

    The endpoint of the Hologres instance.

    You can view the endpoint of the Hologres instance in the Network Information section of the Instance Details page in the Hologres console.

    After you configure the Instance Name parameter, the endpoint of the specified instance is automatically displayed in the Domain Name field. You can also manually enter the endpoint of the Hologres instance.

    Yes

    Port

    The port number of the Hologres instance.

    You can view the port number of the Hologres instance in the Network Information section of the Instance Details page in the Hologres console.

    After you configure the Instance Name parameter, the port number of the specified instance is automatically displayed in the Port field. You can also manually enter the port number of the Hologres instance.

    Yes

    Logon Method

    • Password-free Logon: You can directly log on to the instance by using the current Alibaba Cloud account, without the need to enter the AccessKey ID and AccessKey secret.

    • Password Logon: You can enter the AccessKey ID and AccessKey secret of the current or another Alibaba Cloud account to log on to the instance.

    Yes

    Username

    This parameter is displayed only when you set the Logon Method parameter to Password Logon.

    Set this parameter to the AccessKey ID of your Alibaba Cloud account.

    You can obtain the AccessKey ID from the AccessKey page.

    No

    Password

    This parameter is displayed only when you set the Logon Method parameter to Password Logon.

    Set this parameter to the AccessKey secret of your Alibaba Cloud account.

    No

    Test Connectivity

    Checks whether a network connection is established.

    • If the message The test is successful is displayed, a connection is established.

    • If the message The test failed is displayed, no connection is established.

    No

    Logon After Connection

    Specifies whether to connect to the instance. Valid values:

    • Yes: connects to the instance. The connected instance is displayed in the left-side Instances Connected list.

    • No: does not connect to the instance. The disconnected instance is displayed in the left-side Instances Disconnected list.

    Yes

  6. After the instance is connected, click the 刷新 icon to the right of Instance Management to refresh the instance lists. Click Instances Connected to view the information about the connected instance.

    To manage the instance, right-click the instance and select an action. For more information about instance management, see Manage instances.