Trino cluster maintenance
Yandex Managed Service for Trino cluster maintenance can be managed.
Getting a list of maintenances
- Navigate to the folder dashboard and select Managed Service for Trino.
- Click the name of your cluster and open the Technical maintenance tab.
To view maintenances with a particular status, click Status above the list of maintenances and select the status of interest from the drop-down menu. To find a specific maintenance, enter its ID or task name in the field above the list of maintenances.
Getting cluster maintenance logs
- Navigate to the folder dashboard and select Managed Service for Trino.
- Click the name of your cluster and open the Technical maintenance tab.
- Click the maintenance ID you need.
- Click Task logs.
Moving scheduled maintenance
Maintenance with the Planned status is scheduled for the date and time specified in the Start date column. You can move them to a new date and time if needed.
To move a maintenance to a new date and time:
- Navigate to the folder dashboard and select Managed Service for Trino.
- Click the name of your cluster and open the Technical maintenance tab.
- Click next to the maintenance with the Planned status.
- In the drop-down menu, select Postpone.
- In the window that opens:
- To move a maintenance forward to the next maintenance window, click Next window and then Reschedule.
- To move a maintenance forward or backward to a specific UTC date and time, click Choose date (UTC), then select a new date and time and click Reschedule.
Performing scheduled maintenance immediately
If you need to, you can perform a maintenance with the Planned status immediately without waiting for the time specified in the Start date column.
To perform a scheduled cluster maintenance immediately:
- Navigate to the folder dashboard and select Managed Service for Trino.
- Click the name of your cluster and open the Technical maintenance tab.
- Click next to the maintenance.
- In the drop-down menu, select Carry out now.
Configuring a maintenance window
By default, maintenance can be scheduled to any time slot. You can select a particular day of week and hour for the maintenance. For example, you can specify the time when the cluster is least loaded.
Warning
By selecting a new maintenance interval you will automatically cancel scheduled maintenance unless it falls within the new interval.
- Navigate to the folder dashboard and select Managed Service for Trino.
- Click the name of your cluster and open the Technical maintenance tab.
- Click Configure the maintenance window.
- In the window that opens:
- To allow maintenance at any time, select arbitrary (default).
- To allow maintenance once a week at a particular time, select by schedule and specify the day of week and hour in UTC.