• MapReduce Service

  1. Help Center
  2. MapReduce Service
  3. User Guide
  4. MRS Manager Operation Guide
  5. Object Management
  6. Managing a Host

Managing a Host


To check an abnormal or faulty host, users need to stop all host roles on MRS Manager. To recover host services after the host fault is rectified, restart all roles.


  1. On MRS Manager, click Host.
  2. Select the check box of the target host.
  3. Choose More > Start All Roles or More > Stop All Roles to perform the required operation.