Impala Daemon Pool Metrics

Metric Name Description Unit CDH Version
admitted_rate The number of queries that have been admitted. queries per second CDH 4, CDH 5
cluster_in_queue The approximate number of queries currently queued across the cluster. queries CDH 4, CDH 5
cluster_mem_estimate The approximate amount of memory the planner estimated was necessary for queries in this pool across the cluster. bytes CDH 4, CDH 5
cluster_mem_usage The approximate amount of memory used by this pool across the cluster. bytes CDH 4, CDH 5
cluster_num_running The approximate number of queries currently running in this pool across the cluster. queries CDH 4, CDH 5
completed_rate The number of queries that have completed. queries per second CDH 4, CDH 5
dequeued_rate The number of queries that have been dequeued. queries per second CDH 4, CDH 5
in_queue The number of queries currently queued. queries CDH 4, CDH 5
mem_estimate The amount of cluster memory the planner estimated was necessary for queries in this pool. bytes CDH 4, CDH 5
mem_usage The amount of memory used by this pool on this node. bytes CDH 4, CDH 5
num_running The number of queries currently running. queries CDH 4, CDH 5
queued_rate The number of queries that have been queued. queries per second CDH 4, CDH 5
rejected_rate The number of queries that have been rejected because the queue is full. queries per second CDH 4, CDH 5
time_in_queue_ms_rate The amount of time that queries have spent waiting to be admitted. ms per second CDH 4, CDH 5
timed_out_rate The number of queries that timed out while waiting for admission. queries per second CDH 4, CDH 5