Log Service allows you to create an IP address-based machine group. This topic describes how to create an IP address-based machine group in the Log Service console.


  • A project and a Logstore are created. For more information, see Create a project and a Logstore.
  • At least one server is available.
    • If you use an ECS instance, you must ensure that the ECS instance and Log Service project share the same Alibaba Cloud account and belong to the same region.
    • If the ECS instance is purchased by another Alibaba Cloud account, you must configure a user identifier before you create an IP address-based machine group. If the server is provided by another cloud service vendor or is deployed in a user-created data center, you must also perform the preceding operation. For more information, see Configure an account ID for a server.
  • Logtail is installed on the server. For more information, see Install Logtail on ECS instances.


  1. Obtain the IP addresses of the servers.
    The IP addresses obtained by Logtail are recorded in the ip field of the app_info.json file.
    On the servers where Logtail is installed, you can go to the following path to check the app_info.json file:
    • Linux: /usr/local/ilogtail/app_info.json
    • 64-bit Windows: C:\Program Files (x86)\Alibaba\Logtail\app_info.json
    • 32-bit Windows: C:\Program Files\Alibaba\Logtail\app_info.json

    The following figure shows the IP address of the server in Linux.

    IP addresses
  2. Log on to the Log Service console.
  3. In the Projects section, click the destination project.
  4. In the left-side navigation pane, click Machine Groups.
  5. On the right of the Machine Groups, choose Machine groups > Create Machine Group.
  6. In the Create Machine Group dialog box, set the required parameters, and then click OK. The following table describes the parameters.
    Parameter Description
    Name The name of the machine group. The name must be 3 to 128 characters in length, and can contain only lowercase letters, digits, hyphens (-), and underscores (_). The name must start and end with a lowercase letter or digit.
    Notice After the machine group is created, you cannot change its name. Proceed with caution.
    Identifier Select IP Addresses.
    Topic The topic of the machine group. This topic is used to differentiate log data that is generated in different servers. For more information, see Configure a log topic.
    IP addresses Enter the IP addresses that are obtained in Step 1.
    • If a machine group contains multiple servers, you must separate the IP addresses with line feeds.
    • Windows and Linux servers cannot be added to the same machine group.
  7. View the status of the machine group.
    1. In the list of machine groups, click the destination machine group.
    2. On the Machine Group Settings page, view the machine group status.
      If the Heartbeat status is OK, the server is connected to Log Service. If the status is FAIL, see What can I do if the Logtail client has no heartbeat?View the machine group status