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Oracle查询dbtime,以及各个指标的查询脚本

发布时间:2021-01-14 07:21 所属栏目:[白小姐论坛] 来源:网络整理
导读:set linesize 1000 set pagesize 1000 col snap_date for a10 col "TIME" for a6 col "elapse(min)" for a6 col redo for 9999999999 col "DB time(min)" for 99999.99 select s.snap_date, decode(s.redosize,null,‘--shutdown or end--‘,s.currtime) "TI

set linesize 1000
set pagesize 1000
col snap_date for a10
col "TIME" for a6
col "elapse(min)" for a6
col redo for 9999999999
col "DB time(min)" for 99999.99
select s.snap_date,
decode(s.redosize,null,‘--shutdown or end--‘,s.currtime) "TIME",
to_char(round(s.seconds/60,2)) "elapse(min)",
round(t.db_time / 1000000 / 60,2) "DB time(min)",
s.redosize redo,
round(s.redosize / s.seconds,2) "redo/s",
s.logicalreads logical,
round(s.logicalreads / s.seconds,2) "logical/s",
physicalreads physical,
round(s.physicalreads / s.seconds,2) "phy/s",
s.executes execs,
round(s.executes / s.seconds,2) "execs/s",
s.parse,
round(s.parse / s.seconds,2) "parse/s",
s.hardparse,
round(s.hardparse / s.seconds,2) "hardparse/s",
s.transactions trans,
round(s.transactions / s.seconds,2) "trans/s"
from (select curr_redo - last_redo redosize,
curr_logicalreads - last_logicalreads logicalreads,
curr_physicalreads - last_physicalreads physicalreads,
curr_executes - last_executes executes,
curr_parse - last_parse parse,
curr_hardparse - last_hardparse hardparse,
curr_transactions - last_transactions transactions,
round(((currtime + 0) - (lasttime + 0)) 3600 24,0) seconds,to_char(currtime,‘yy/mm/dd‘) snap_date,‘hh24:mi‘) currtime,currsnap_id endsnap_id,to_char(startup_time,‘yyyy-mm-dd hh24:mi:ss‘) startup_time from (select a.redo last_redo,a.logicalreads last_logicalreads,a.physicalreads last_physicalreads,a.executes last_executes,a.parse last_parse,a.hardparse last_hardparse,a.transactions last_transactions,lead(a.redo,1,null) over(partition by b.startup_time order by b.end_interval_time) curr_redo,lead(a.logicalreads,null) over(partition by b.startup_time order by b.end_interval_time) curr_logicalreads,lead(a.physicalreads,null) over(partition by b.startup_time order by b.end_interval_time) curr_physicalreads,lead(a.executes,null) over(partition by b.startup_time order by b.end_interval_time) curr_executes,lead(a.parse,null) over(partition by b.startup_time order by b.end_interval_time) curr_parse,lead(a.hardparse,null) over(partition by b.startup_time order by b.end_interval_time) curr_hardparse,lead(a.transactions,null) over(partition by b.startup_time order by b.end_interval_time) curr_transactions,b.end_interval_time lasttime,lead(b.end_interval_time,null) over(partition by b.startup_time order by b.end_interval_time) currtime,lead(b.snap_id,null) over(partition by b.startup_time order by b.end_interval_time) currsnap_id,b.startup_time from (select snap_id,dbid,instance_number,sum(decode(stat_name,‘redo size‘,value,0)) redo,‘session logical reads‘,0)) logicalreads,‘physical reads‘,0)) physicalreads,‘execute count‘,0)) executes,‘parse count (total)‘,0)) parse,‘parse count (hard)‘,0)) hardparse,‘user rollbacks‘,‘user commits‘,0)) transactions from dba_hist_sysstat where stat_name in (‘redo size‘,‘parse count (total)‘) group by snap_id,instance_number) a,dba_hist_snapshot b where a.snap_id = b.snap_id and trunc(b.begin_interval_time)>=sysdate-7 and a.instance_number=(select instance_number from v$instance) and a.dbid = b.dbid and a.instance_number = b.instance_number and a.dbid=(select dbid from v$database) order by end_interval_time)) s,(select lead(a.value,null) over(partition by b.startup_time order by b.end_interval_time) - a.value db_time,null) over(partition by b.startup_time order by b.end_interval_time) endsnap_id from dba_hist_sys_time_model a,dba_hist_snapshot b where a.snap_id = b.snap_id and trunc(b.begin_interval_time)>=sysdate-7 and a.dbid = b.dbid and a.instance_number = b.instance_number and a.instance_number=(select instance_number from v$instance) and a.stat_name = ‘DB time‘ and a.dbid=(select dbid from v$database)) t where s.endsnap_id = t.endsnap_id order by s.snap_date,time ;

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