Help Center> Global Accelerator> User Guide> Health Check> Configuring Health Check
Updated on 2022-11-07 GMT+08:00

Configuring Health Check

Scenario

You can configure health check to detect unhealthy endpoints and ensure service reliability and availability.

Prerequisites

Before configuring the health check, ensure that the backend security group allows access from the 122.9.234.0/23 and 116.196.216.0/23 network segments and the configured health check port.

Procedure

  1. Log in to the management console.
  2. On the homepage, click in the upper left corner and choose Networking > Global Accelerator.

    The Global Accelerator page is displayed.

  3. Search for the global accelerator by name or ID.
  4. Click the name of the global accelerator to go to the details page.
  5. Click Endpoint Groups.
  6. Click the name of the endpoint group.
  7. In the basic information area, click Configure next to Health Check.
  8. Specify the parameters listed in Configuring Health Check.
    Table 1 Parameters required for configuring health check

    Parameter

    Description

    Health Check

    Whether to enable health check.

    If you disable health check, requests may be forwarded to unhealthy endpoints.

    Protocol

    Currently, only TCP can be used for health check.

    Port

    The port used for health check.

    The port number ranges from 1 to 65535.

    Advanced Settings

    Interval (s)

    The maximum time between two consecutive health checks, in seconds.

    The interval ranges from 1 to 60.

    Timeout (s)

    The maximum time required for waiting for a response to a health check request, in seconds.

    The timeout ranges from 1 to 60.

    Maximum Retries

    The maximum number of health check retries allowed.

    The value ranges from 1 to 10.

  9. Click OK.