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The following configuration parameters are used to configure the Greenplum Database workload management feature (resource queues), query prioritization, memory utilization and concurrency control.
gp_resqueue_priority
gp_resqueue_priority_cpucores_per_segment
gp_resqueue_priority_sweeper_interval
gp_vmem_idle_resource_timeout
gp_vmem_protect_limit
gp_vmem_protect_segworker_cache_limit
max_resource_queues
max_resource_portals_per_transaction
resource_cleanup_gangs_on_wait
resource_select_only
stats_queue_level