centreon
http://documentation.centreon.com/docs/centreon-engine/en/latest/user/configuration/best_practice.htmlhttp://documentation.centreon.com/docs/centreon-engine/en/1.3.0/user/configuration/advanced/tuning_centengine_for_maximum_performance.html
Check options
Disable check options if these options are not necessary.
enable_event_handlers=0
check_service_freshness=0
check_host_freshness=0
enable_flap_detection=0
obsess_over_services=0
obsess_over_hosts=0
Broker modules
Enable external command.
broker_module=/path/externalcmd.so
Enable Centreon-Broker.
broker_module=/path/cbmod.so
Check the event broker options.
event_broker_options=-1
Perfdata
With Centreon-Broker the perfdata processing need to disable beceause this options is not necessary for Centreon-Broker and make some latency.
process_performance_data=0
Tuning
Enable cached check to incresed performance.
cached_service_check_horizon=20
cached_host_check_horizon=20
Optimization
Large installation enable some optimization enable it.
use_large_installation_tweaks=1
Environment macros have a poor performance disable it.
enable_environment_macros=0
Centreon-Engine allow to improve performance without using setpgid (see the documentation!).
use_setpgid=0
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