This topic describes how to refresh the Capacity Scheduler in cases where you have added or modified existing queues.
In Ambari Web, browse to
Services > YARN > Summary
.Select
Service Actions
, then chooseRefresh YARN Capacity Scheduler
.Confirm you would like to perform this operation.
The refresh operation is submitted to the YARN ResourceManager.
Important | |
---|---|
The Refresh operation will fail with the following message: “Failed to re-init queues” if you attempt to refresh queues in a case where you performed a destructive change, such as removing a queue. In cases where you have made destructive changes, you must perform a ResourceManager restart for the capacity scheduler change to take effect. |