oceanbase/src/sql/monitor at develop · database-cache/oceanbase

Name		Name	Last commit message	Last commit date
parent directory ..
flt		flt
README		README
ob_audit_action_type.h		ob_audit_action_type.h
ob_exec_stat.h		ob_exec_stat.h
ob_exec_stat_collector.cpp		ob_exec_stat_collector.cpp
ob_exec_stat_collector.h		ob_exec_stat_collector.h
ob_i_collect_value.h		ob_i_collect_value.h
ob_monitor_info_elimination_task.cpp		ob_monitor_info_elimination_task.cpp
ob_monitor_info_elimination_task.h		ob_monitor_info_elimination_task.h
ob_monitor_info_manager.cpp		ob_monitor_info_manager.cpp
ob_monitor_info_manager.h		ob_monitor_info_manager.h
ob_phy_operator_monitor_info.cpp		ob_phy_operator_monitor_info.cpp
ob_phy_operator_monitor_info.h		ob_phy_operator_monitor_info.h
ob_phy_operator_stats.cpp		ob_phy_operator_stats.cpp
ob_phy_operator_stats.h		ob_phy_operator_stats.h
ob_phy_plan_exec_info.h		ob_phy_plan_exec_info.h
ob_phy_plan_monitor_info.cpp		ob_phy_plan_monitor_info.cpp
ob_phy_plan_monitor_info.h		ob_phy_plan_monitor_info.h
ob_plan_info_manager.cpp		ob_plan_info_manager.cpp
ob_plan_info_manager.h		ob_plan_info_manager.h
ob_security_audit.h		ob_security_audit.h
ob_security_audit_utils.h		ob_security_audit_utils.h
ob_security_audit_utils_os.cpp		ob_security_audit_utils_os.cpp
ob_sql_plan.cpp		ob_sql_plan.cpp
ob_sql_plan.h		ob_sql_plan.h

README

该模块主要用来统计运行时状态信息，用于执行反馈指导优化器的优化方向，也可以精确优化器的统计数据，更精确的进行代价估计；
另外一个功能可以评估一个查询语句是否是大查询；
详细设计请参见：doc/Oceanbase1.0/SQL/monitor/运行时统计数据管理设计.md