您可以在 中找到此信息DBA_HIST_RESOURCE_LIMIT
。使用此视图需要诊断包选项。
例如,过去 1 天的会话:
select
s.instance_number,
s.end_interval_time,
rn.current_utilization
from
dba_hist_snapshot s
join dba_hist_resource_limit rn on (s.snap_id = rn.snap_id and s.instance_number = rn.instance_number)
where
rn.resource_name = 'sessions'
and s.end_interval_time > sysdate - 1
order by
s.end_interval_time
;
INSTANCE_NUMBER END_INTERVAL_TIME CURRENT_UTILIZATION
--------------- ------------------------- -------------------
1 07-JUL-16 03.00.23.658 PM 74
1 07-JUL-16 04.00.25.330 PM 74
1 07-JUL-16 05.00.27.072 PM 74
1 07-JUL-16 06.00.28.807 PM 73
1 07-JUL-16 07.00.30.589 PM 73
1 07-JUL-16 08.00.32.354 PM 73
1 07-JUL-16 09.00.34.187 PM 73
1 07-JUL-16 10.00.36.100 PM 79
1 07-JUL-16 11.00.38.061 PM 73
1 08-JUL-16 12.00.39.854 AM 73
1 08-JUL-16 01.00.41.673 AM 73
1 08-JUL-16 02.00.43.523 AM 75
1 08-JUL-16 03.00.45.355 AM 73
1 08-JUL-16 04.00.47.141 AM 73
1 08-JUL-16 05.00.48.895 AM 73
1 08-JUL-16 06.00.50.639 AM 73
1 08-JUL-16 07.00.52.367 AM 73
1 08-JUL-16 08.00.54.128 AM 73
1 08-JUL-16 09.00.55.850 AM 73
1 08-JUL-16 10.00.57.572 AM 73
1 08-JUL-16 11.00.59.295 AM 73
1 08-JUL-16 12.00.00.949 PM 73
1 08-JUL-16 01.00.02.704 PM 73
1 08-JUL-16 02.00.04.485 PM 73
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