--- upgrade: - The following Nova tunables have been removed, users need to start using the `nova_nova_conf_overrides` dictionary to override them. If those values were not previously overridden, there should be no need to override them. - nova_quota_cores - nova_quota_injected_file_content_bytes - nova_quota_injected_file_path_length - nova_quota_injected_files - nova_quota_instances - nova_quota_key_pairs - nova_quota_metadata_items - nova_quota_ram - nova_quota_server_group_members - nova_quota_server_groups - nova_max_instances_per_host - nova_scheduler_available_filters - nova_scheduler_weight_classes - nova_scheduler_driver - nova_scheduler_driver_task_period - nova_rpc_conn_pool_size - nova_rpc_thread_pool_size - nova_rpc_response_timeout - nova_force_config_drive - nova_enable_instance_password - nova_default_schedule_zone - nova_fatal_deprecations - nova_resume_guests_state_on_host_boot - nova_cross_az_attach - nova_remove_unused_resized_minimum_age_seconds - nova_cpu_model - nova_cpu_model_extra_flags - The following Nova variables have been removed because they have no effect in the current release of Nova. - nova_max_age - nova_osapi_compute_workers - nova_metadata_workers