1.
Performance Tuning in Oracle 10g
File Format: Microsoft Powerpoint - View as HTML SQL Service Response Time. Database Wait Time Ratio. Database CPU Time Ratio. Row Cache Hit Ratio. Row Cache Miss Ratio. Library Cache Hit Ratio ...
2.
Oracle Performance Monitor
ASH Simulator · Oracle Performace Monitor · 10g Managability in EM and Internal Structures · Tuning 10g with EM · 10g Performance Views ...
3.
increase redo log size let's see what happens So now we have ...
... 369 21094 latch free 16 14 total time: 59359 real 1708.1 user 42.6 sys 4.6 working...0 hours 25 mins 55 secs tty rz1 rz2 rz3 rz10 rz11 rz12 cpu tin tout ...
4.
oraperf.sourceforge.net - Kyle Hailey
SourceForge Logo · ASH Simulator · Oracle Performace Monitor · 10g Managability in EM and Internal Structures · Tuning 10g with EM · 10g Performance Views ...
5.
SVRMGR> SVRMGR> set charwidth 12 Charwidth 12 SVRMGR> set numwidth ...
... 4.89 DBWR make free requests 1306 .02 52.24 2.38 DBWR summed scan depth ... 0 7> order by n1.time_waited desc; Event Name Count Total Time Avg Time ...
6.
Wait Event Analysis Example
db file scattered read; db file sequential read. and the sum of every time any users ever waited for this event during the period of bstat/estat is ...
7.
Wait Event Analysis Example
This gives us the total amount of time waited by all the users ... message 7626 782385 102.59441385 pmon timer 535 158481 296.22616822 smon timer 7 146587 ...
8.
Wait Event Analysis Example
THe idle time comes from "client message" and "rdbms ipc message" in both the table "v$session_waits" and "v$system_event" which is not exactly obvious ...
9.
Wait Event Analysis Example
... write 3892 2004 .51490236382 rdbms ipc reply 19 1813 95.421052632 control file .... THe idle time comes from "client message" and "rdbms ipc message" in ...
10.
drop table ash_gtt; create global temporary table ash_gtt ...
... FUNCTION get(sleep number, loops number) RETURN ash_ref_cur IS ash_cur ash_ref_cur; ash_rec ash_cur%rowtype; begin for i in 1..loops loop insert into ...
