PowerVC scalability configuration
The table below provides you PowerVC scalability configuration details.
| File name | Section | Parameter | Values | Whether applicable for NovaLink |
|---|---|---|---|---|
| Neutron settings | ||||
| /etc/neutron/neutron.conf | DEFAULT | agent_down_time | 360 1800* Note: * Depends on the network and agents in the environment.
|
YES |
| /etc/neutron/neutron.conf | DEFAULT | rpc_response_timeout | 18000 | YES |
| /etc/neutron/neutron.conf | DEFAULT | rpc_workers | 52 156* Note: * Number of RPC workers should be inline with neutron agents reporting to
the server. N+N/2, for
nnumber of agents is the suggested configuration for single neutron server. |
YES |
| /etc/neutron/neutron.conf | DEFAULT | rpc_conn_pool_size | 400 | YES |
| /etc/neutron/neutron.conf | DEFAULT | rpc_state_report_workers | 10 | YES |
| /etc/neutron/neutron.conf | DEFAULT | executor_thread_pool_size | 2048 | YES |
| /etc/neutron/neutron.conf | DEFAULT | report_interval | 150 | YES |
| /etc/neutron/neutron.conf | oslo_messaging_rabbit | rpc_conn_pool_size | 400 | YES |
| /etc/neutron/neutron.conf | oslo_messaging_rabbit | rpc_queue_expiration | 600 | YES |
| /etc/neutron/neutron.conf | oslo_messaging_rabbit | heartbeat_timeout_threshold | 1200 | YES |
| /etc/neutron/neutron.conf | oslo_messaging_rabbit | heartbeat_interval | 10 | YES |
| /etc/neutron/neutron.conf | database | max_pool_size | 300 | NO |
| /etc/neutron/neutron.conf | database | pool_timeout | 300 | NO |
| /etc/neutron/neutron.conf | database | max_overflow | 300 | NO |
| Nova settings | ||||
| /etc/nova/nova.conf | DEFAULT | rpc_response_timeout | 18000 | YES |
| /etc/nova/nova.conf | DEFAULT | rpc_conn_pool_size | 400 | YES |
| /etc/nova/nova.conf | DEFAULT | executor_thread_pool_size | 2048 | YES |
| /etc/nova/nova.conf | DEFAULT | service_down_time | 300 | YES |
| /etc/nova/nova.conf | DEFAULT | report_interval | 150 | YES |
| /etc/nova/nova.conf | DEFAULT | osapi_compute_workers | 12 | NO |
| /etc/nova/nova.conf | DEFAULT | vif_plugging_timeout | 600 | YES |
| /etc/nova/nova.conf | conductor | workers | 12 | NO |
| /etc/nova/nova.conf | keystone | Timeout | 180 | YES |
| /etc/nova/nova.conf | health | Timeout | 180 | NO |
| /etc/nova/nova.conf | neutron | Timeout | 180 | YES |
| /etc/nova/nova.conf | neutron | http_retries | 3 | YES |
| /etc/nova/nova.conf | database | max_pool_size | 300 | NO |
| /etc/nova/nova.conf | database | pool_timeout | 300 | NO |
| /etc/nova/nova.conf | database | max_overflow | 300 | NO |
| /etc/nova/nova.conf | database | use_db_reconnect | TRUE | NO |
| /etc/nova/nova.conf | oslo_messaging_rabbit | heartbeat_timeout_threshold | 1200 | YES |
| /etc/nova/nova.conf | oslo_messaging_rabbit | heartbeat_interval | 10 | YES |
| /etc/nova/nova.conf | oslo_messaging_rabbit | rpc_conn_pool_size | 400 | YES |
| /etc/nova/nova.conf | oslo_messaging_rabbit | rpc_queue_expiration | 600 | YES |
| Cinder settings | ||||
| /etc/cinder/cinder.conf | database | max_pool_size | 300 | NO |
| /etc/cinder/cinder.conf | database | pool_timeout | 300 | NO |
| /etc/cinder/cinder.conf | database | max_overflow | 300 | NO |
| /etc/cinder/cinder.conf | database | use_db_reconnect | TRUE | NO |
| /etc/cinder/cinder.conf | DEFAULT | osapi_volume_workers | 12 | NO |
| /etc/cinder/cinder.conf | DEFAULT | deleted_volume_check_interval | 86400 | NO |
| /etc/cinder/cinder.conf | oslo_messaging_rabbit | heartbeat_timeout_threshold | 1200 | NO |
| /etc/cinder/cinder.conf | oslo_messaging_rabbit | heartbeat_interval | 10 | NO |
| /etc/cinder/cinder.conf | DEFAULT | rpc_response_timeout | 18000 | NO |
| /etc/cinder/cinder.conf | DEFAULT | rpc_conn_pool_size | 300 | NO |
| Keystone settings | ||||
| /etc/keystone/keystone.conf | database | max_pool_size | 300 | NO |
| /etc/keystone/keystone.conf | database | pool_timeout | 300 | NO |
| /etc/keystone/keystone.conf | database | max_overflow | 300 | NO |
| /etc/keystone/keystone.conf | database | use_db_reconnect | TRUE | NO |
| /etc/keystone/keystone.conf | cache | memcache_socket_timeout | 60 | NO |
| /etc/keystone/keystone.conf | cache | memcache_pool_maxsize | 1000 | NO |
| /etc/keystone/keystone.conf | cache | memcache_pool_unused_timeout | 180 | NO |
| /etc/keystone/keystone.conf | cache | memcache_pool_connection_get_timeout | 60 | NO |
| /etc/httpd/conf.d/keystone.conf | processes | processes=50 | NO | |
For SLES, check this path /etc/apache2/vhosts.d/keystone.conf |
||||
| Other configuration settings | ||||
| /etc/sysconfig/memcached | MAXCONN | "16284" | NO | |
| /etc/sysconfig/memcached | CACHESIZE | "2GB" | NO | |
| /etc/oslo/oslo.conf | DEFAULT | pvc_svcs_nl_poolsize | 20 | NO |
| /etc/security/limits.conf | Hard nolimit | 1048576 | NO | |
| /etc/systemd/system/mariadb.service.d/override_pvc.conf | Service | LimitNOFILE | 655340 | NO |
| /etc/systemd/system/mariadb.service.d/override_pvc.conf | Service | TasksMax | 55000 | NO |
| /etc/systemd/system/mariadb.service.d/override_pvc.conf | Service | LimitNPROC | 55000 | NO |
| /usr/lib/systemd/system/neutron-server.service or/and neutron_override_pvc.conf | Service | LimitNOFILE | 655340 | NO |
| /usr/lib/systemd/system/openstack-nova-api.service and/or openstack-nova-api_override_pvc.conf | Service | LimitNOFILE | 655340 | NO |
| /usr/lib/systemd/system/memcached.service | Service | LimitNOFILE | 655340 | NO |
For SLES, check this path /usr/lib/systemd/system/apache2.service |
||||
| /usr/lib/systemd/system/httpd.service | Service | LimitNOFILE | 655340 | NO |
| /usr/lib/systemd/system/httpd.service | Service | TimeoutSec | 360 | NO |
| /etc/systemd/system/rabbitmq-server.service.d/limits.conf | Service | LimitNOFILE | 655340 | NO |
| /etc/my.cnf.d/server.cnf and /etc/my.cnf | mysqld | back_log | 8192 | NO |
| /etc/my.cnf.d/server.cnf and /etc/my.cnf | mysqld | open_files_limit | 4294967295 | NO |
| /etc/my.cnf.d/server.cnf and /etc/my.cnf | mysqld | innodb_io_capacity | 8192 | NO |
| /etc/my.cnf.d/server.cnf and /etc/my.cnf | mysqld | thread_cache_size | 1000 | NO |
| /etc/my.cnf.d/server.cnf and /etc/my.cnf | mysqld | thread_pool_size | 640 | NO |
| /etc/my.cnf.d/server.cnf and /etc/my.cnf | mysqld | innodb_buffer_pool_size | 1.3G innodb_buffer_pool_size = 1342177280 | NO |
| /etc/my.cnf.d/server.cnf and /etc/my.cnf | mysqld | innodb_flush_log_at_trx_commit | 1 | NO |
| /etc/my.cnf.d/server.cnf and /etc/my.cnf | mysqld | innodb_flush_method | O_DIRECT | NO |
| /etc/my.cnf.d/server.cnf and /etc/my.cnf | mysqld | max_connections | 50000 | NO |
| /etc/my.cnf.d/server.cnf and /etc/my.cnf | mysqld | table_open_cache | 21000 | NO |
| /etc/my.cnf.d/server.cnf and /etc/my.cnf | mysqld | innodb_log_buffer_size | 4294967296 | NO |
| /etc/my.cnf.d/server.cnf and /etc/my.cnf | mysqld | innodb_thread_concurrency | 8 | NO |
| /etc/my.cnf.d/server.cnf and /etc/my.cnf | mysqld | innodb_write_io_threads | 64 | NO |
| /etc/my.cnf.d/server.cnf and /etc/my.cnf | mysqld | innodb_read_io_threads | 64 | NO |
| /etc/my.cnf.d/server.cnf and /etc/my.cnf | mysqld | net_read_timeout | 600 | NO |
| /etc/my.cnf.d/server.cnf and /etc/my.cnf | mysqld | net_write_timeout | 600 | NO |
| /etc/my.cnf.d/server.cnf and /etc/my.cnf | mysqld | connect_timeout | 600 | NO |
| /etc/my.cnf.d/server.cnf and /etc/my.cnf | mysqld | slave_net_timeout | 1200 | NO |
| /etc/my.cnf.d/server.cnf and /etc/my.cnf | mysqld | net_retry_count | 5 | NO |
| /etc/my.cnf.d/server.cnf and /etc/my.cnf | mysqld | max_allowed_packet | 134217728 | NO |
| /etc/sysctl.conf | net.ipv4.tcp_max_syn_backlog | 100000 | NO | |
| /etc/sysctl.conf | net.core.netdev_max_backlog | 100000 | NO | |
| /etc/sysctl.conf | net.core.somaxconn | 8192 | NO | |
| /etc/sysctl.conf | net.ipv4.tcp_fin_timeout | 15 | NO | |
| /etc/sysctl.conf | net.ipv4.tcp_max_tw_buckets | 450000 | NO | |
| /etc/sysctl.conf | net.ipv4.tcp_keepalive_intvl | 30 | NO | |
| /etc/sysctl.conf | net.ipv4.tcp_keepalive_probes | 6 | NO | |
| /etc/sysctl.conf | net.ipv4.tcp_keepalive_time | 60 | NO | |
| /etc/sysctl.conf | net.ipv4.tcp_tw_reuse | 1 | NO | |
| /etc/sysctl.conf | net.netfilter.nf_conntrack_tcp_timeout_time_wait | 30 | NO | |
| /etc/sysctl.conf | net.netfilter.nf_conntrack_tcp_timeout_fin_wait | 30 | NO | |
| /etc/sysctl.conf | net.ipv4.tcp_low_latency | 1 | NO | |
| /etc/sysctl.conf | net.core.rmem_max | 4136960 | NO | |
| /etc/sysctl.conf | net.core.wmem_max | 4136960 | NO | |
| /etc/sysctl.conf | net.core.rmem_default | 4136960 | NO | |
| /etc/sysctl.conf | net.core.wmem_default | 4136960 | NO | |
| /etc/sysctl.conf | net.core.optmem_max | 4136960 | NO | |
| /etc/systemd/system.conf | Manager | DefaultLimitNOFILE | 655340 | NO |
| /etc/systemd/user.conf | Manager | DefaultLimitNOFILE | 655340 | NO |
| /etc/rabbitmq/rabbitmq.config | backlog | {tcp_listen_options, [{backlog, 16284}]}, | NO | |
| /etc/rabbitmq/rabbitmq.config | heartbeat | {heartbeat, 1200}, | NO |