一.1.2.3 Nova优化

#答案
[root@controller~] vim /etc/nova/nova.conf 
[database]
max_pool_size=10
max_overflow=10

#重启服务
[root@compute~]# systemctl restart openstack-nova-compute

返回

[root@controller ~]# cat /etc/nova/nova.conf | grep -Ev ^'(#|$|\[)'
enabled_apis = osapi_compute,metadata
transport_url = rabbit://openstack:000000@controller
my_ip = 192.168.100.202
use_neutron = True
firewall_driver = nova.virt.firewall.NoopFirewallDriver
vif_plugging_is_fatal=false
auth_strategy = keystone
connection = mysql+pymysql://nova:000000@controller/nova_api
max_pool_size=10
max_overflow=10
os_region_name = RegionOne
connection = mysql+pymysql://nova:000000@controller/nova
api_servers = http://controller:9292
www_authenticate_uri = http://controller:5000
auth_url = http://controller:5000
memcached_servers = controller:11211
auth_type = password
project_domain_name = demo
user_domain_name = demo
project_name = service
username = nova
password = 000000
auth_url = http://controller:5000
auth_type = password
project_domain_name = demo
user_domain_name = demo
region_name = RegionOne
project_name = service
username = neutron
password = 000000
service_metadata_proxy = true
metadata_proxy_shared_secret = 000000
lock_path = /var/lib/nova/tmp
region_name = RegionOne
project_domain_name = demo
project_name = service
auth_type = password
user_domain_name = demo
auth_url = http://controller:5000/v3
username = placement
password = 000000
discover_hosts_in_cells_interval = 300
enabled = true
server_listen = 192.168.100.202
server_proxyclient_address = 192.168.100.202