按前面DB Time的描述,DB Time = DB Wait Time + DB CPU Time 因此 54.015min需要进一步确认是否为真实的使用率。 2、Load Profile 从上图可知, DB Time(s) 行,每一个自然时间秒,DB Time对应为43.1s,据此推算43.1*10.02*60/60 约等于头部的DB Time 432.12分钟。 DB CPU(s) 行,每一个自然时间秒,CPU的...
select sid,event,p1,p2,p3,wait_time,seconds_in_wait,state from v$session_wait where event not like '%message%' and event not like 'sql*net%' and event not like '%timer%' and event!='wakeup time manager';查会话的阻塞1 2 3 4 5 6 col user_name format a32 select /* rule *...
oracledb_wait_time_user_io 用户io等待时间 oracledb_tablespace_bytes 表空间大小,单位:字节 oracledb_tablespace_max_bytes 表空间最大字节数 oracledb_tablespace_free 剩余表空间 oracledb_tablespace_used_percent 表空间使用百分比 oracledb_process_count 进程计数 oracledb_resource_current_utilization 资源当前利...
oracledb_wait_time_scheduler 调度器等待时间 oracledb_wait_time_system_io 系统io等待时间 oracledb_wait_time_user_io 用户io等待时间 oracledb_tablespace_bytes 表空间大小,单位:字节 oracledb_tablespace_max_bytes 表空间最大字节数 oracledb_tablespace_free 剩余表空间 oracledb_tablespace_used_percent 表空...
oracledb_wait_time_other oracledb_wait_time_scheduler oracledb_wait_time_system_io oracledb_wait_time_user_io oracledb_tablespace_bytes oracledb_tablespace_max_bytes oracledb_tablespace_free_bytes oracledb_tablespace_used_percent oracledb_process_count ...
oracledb_wait_time_scheduler oracledb_wait_time_system_io oracledb_wait_time_user_io oracledb_tablespace_bytes oracledb_tablespace_max_bytes oracledb_tablespace_bytes_free oracledb_process_count oracledb_resource_current_utilization oracledb_resource_limit_value ...
oracledb_wait_time_system_io oracledb_wait_time_user_io oracledb_tablespace_bytes oracledb_tablespace_max_bytes oracledb_tablespace_bytes_free oracledb_process_count oracledb_resource_current_utilization oracledb_resource_limit_value Installation ...
time:2011/09/29 db_writer_processes 和 dbwr_io_slaves对比 在计算机世界里,磁盘的发展速度远低于cpu,memory。磁盘io现在已经成为计算机的瓶颈,对于oracle的db系统。磁盘io更是 重要。在oracle里为了提高io的速度,常用参数db_writer_processes 和 dbwr_io_slaves ...
Failed Logon CountMonitors the failed logon attempts of the current user.Count oracle.invalid.objects Invalid ObjectsChecks for invalid objects in a database.Count oracle.io.wait.time IO Wait TimeThe total time taken to complete the I/O operations keeping the application in a blocked state.Mill...
cpu_time_delta/1000000 cpu_time_delta_sec, elapsed_time_delta/1000000 elapsed_time_delta_sec, iowait_delta/1000000 iowait_time_delta_sec, ccwait_delta/1000000 concurrent_wait_delta_sec, clwait_delta/1000000 cluster_wait_delta_sec from dba_hist_snapshot st, dba_hist_sqlstat sql_st ...