This is related to the AQ mechanism and can be ignored. Oracle posts this
wait while waiting to dequeue a message from AQ queue.
To remove it from the 'Top 5' list in statspack report, you can add a row to
perfstat.stats$idle_event table. And while at it, you may want to review
what other waits statspack considers as idle waits and doesn't report in the
Top 5 list. But, you may want to know about some of those...
Check Oracle8i Reference Guide for this and all other wait events and more..
:)
- Kirti
-----Original Message-----
Sent: Friday, October 04, 2002 6:08 AM
To: Multiple recipients of list ORACLE-L
Qs Is Wait Event "queue messages" any Cause for Concern ?
Qs If so What is the Resolution for the Same ?
Qs Any Links , Docs for the Same ?
Top 5 Wait Events
~~~~~~~~~~~~~~~~~ Wait %
Total
Event Waits Time (cs) Wt
Time
-------------------------------------------- ------------ ------------
-------
queue messages 1,063 1,066,954
58.16
db file scattered read 1,937,704 408,204
22.25
latch free 66,364 212,801
11.60
buffer busy waits 57,849 98,834
5.39
db file sequential read 1,531,718 25,079
1.37
-------------------------------------------------------------
Thanks
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