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
Log on to the Hologres console.
In the top navigation bar, select a region from the drop-down list.
In the left-side navigation pane of the Hologres console, click Go to HoloWeb to go to the HoloWeb console.
On the Metadata Management tab, click Connect to an instance.
In the Connect to an instance dialog box, set the parameters based on your business requirements and click OK.
Parameter
Description
Required
Network type
public network: Supported regions include China (Shanghai), China (Shenzhen), China (Beijing), China (Hangzhou), China (Zhangjiakou), Singapore, China (Hong Kong), Malaysia (Kuala Lumpur), Indonesia (Jakarta) and US (Silicon Valley).
The icon indicates that the network type of the instance is public network.
VPC: You can select only the region from which you log on to the HoloWeb console.
The icon indicates that the network type of the instance is VPC. You cannot edit information about this instance or delete this instance.
No
Instance name
The Hologres instance that is created by using the current Alibaba Cloud account.
No
Name
After you set the Instance name parameter, the name of the specified instance is automatically displayed in the Name field. You can also enter a custom instance 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 set the Instance name parameter, the endpoint of the specified instance is automatically displayed in the Domain Name field. You can also 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 set the Instance name parameter, the port number of the specified instance is automatically displayed in the Port field. You can also enter the port number of the Hologres instance.
Yes
Logon Method
Password-free Logon: You can directly connect 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 connect to the instance.
Yes
Username
This parameter is displayed only when you set the Logon Method parameter to Password Logon.
The AccessKey ID of your Alibaba Cloud account.
You can obtain the AccessKey ID from the Security Management page.
No
Password
This parameter is displayed only when you set the Logon Method parameter to Password Logon.
The AccessKey secret of your Alibaba Cloud account.
No
Test Connectivity
Checks whether the instance connection is successful.
If the instance connection is successful, the message Test passed is displayed.
If the instance connection fails, the message Test failed is displayed.
No
Login after connection
Specifies whether to connect to the instance.
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
After the instance is connected, click the 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 how to manage instances, see Manage instances.