Enable YARN preemption
You must enable YARN preemption before setting up Hive low-latency analytical processing (LLAP). YARN preemption directs the capacity scheduler to position an LLAP queue as the top-priority workload to run among cluster node resources. You do not need to label the nodes to ensure LLAP has top priority.
- In Ambari, select .
In YARN Features, set Pre-emption to
- Save the settings.