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oracle events...

From: Zabair Ahmed <roon987_at_yahoo.co.uk>
Date: Thu, 06 Nov 2003 05:44:25 -0800
Message-ID: <F001.005D5D44.20031106054425@fatcity.com>


Does anyone know what these oracle events are and how the wait times can be reduced. This is an extract from statspack output on 9.2.0.4 on HP 11.11  

Top 5 Timed Events

~~~~~~~~~~~~~~~~~~                                                     % Total
Event                                               Waits    Time (s) Ela Time
-------------------------------------------- ------------ ----------- --------
pipe put                                              780       3,904    44.65
wait for unread message on broadcast channel        3,016       3,034    34.70
PX Deq: Signal ACK                                 33,937         678     7.76
db file scattered read                          6,575,215         499     5.70
PX qref latch                                         222         200     2.29
          -------------------------------------------------------------


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