...58 minutes if I've calculated correctly. And yes, you're right: if
you have 50 sessions and 49 are waiting for 1 minute each, then you have
49 minutes of waiting. Any system has an infinite capacity for waiting.

In case you pick up the book "Optimizing Oracle Performance," this
phenomenon (what can you do with information like this?) is the subject
of pages 210-217.


Cary Millsap
Hotsos Enterprises, Ltd.
http://www.hotsos.com

Upcoming events:
- Hotsos Clinic 101 in Sydney
- Hotsos Symposium 2004, March 7-10 Dallas
- Visit www.hotsos.com for schedule details...


-----Original Message-----
[EMAIL PROTECTED]
Sent: Tuesday, September 16, 2003 3:40 PM
To: Multiple recipients of list ORACLE-L

below means i have about 50 minutes of waits right? this is over 3
hours. This is total waits right? So if I have 50 sessions running and
49 are waiting for 1 minute each, I have 49 minutes of waits right?

Top 5 Wait Events
~~~~~~~~~~~~~~~~~                                             Wait     %
Total
Event                                               Waits  Time (cs)
Wt Time
-------------------------------------------- ------------ ------------
-------
log file parallel write                            19,088      145,072
38.38
db file scattered read                            118,363       91,804
24.29
db file sequential read                           269,416       55,038
14.56
log file sync                                       3,929       34,053
9.01
enqueue                                                96       23,852
6.31
          -------------------------------------------------------------

Wait Events for DB: BOBAIRD  Instance: bobaird  Snaps: 1 -13
-> cs - centisecond -  100th of a second
-> ms - millisecond - 1000th of a second
-> ordered by wait time desc, waits desc (idle events last)

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