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Wait Stats Question

From: <csp2201_at_netscape.net>
Date: Tue, 14 May 2002 07:33:20 -0800
Message-ID: <F001.00460179.20020514073320@fatcity.com>


Hi,

I have used the following sql query to get wait stats :

Select sid, event, p1, p2, p3, wait_time, Seconds_in_wait, state from V$session_wait where sid >6 and event not like '%SQL%' and event not like '%rdbms%' order by 7
/

As a result of this query, I got the wait stats and I have found explanation for all wait events except for the following. Could you please help me understand as to what these events or where can I find the explanations for these events.

  SID EVENT                                  P1         P2         P3  WAIT_TIME SECONDS_IN_WAIT STATE                  
----- ------------------------------ ---------- ---------- ---------- ---------- --------------- ----------             
   22 PX Deq: Execution Msg           268566527          6          0          0              34 WAITING                
   36 PX Deq: Execution Msg           268566527         18          0          0              34 WAITING                
   63 PX Deq: Execution Msg           268566527         18          0          0              34 WAITING                
   48 PX Deq Credit: send blkd        268566527          1          0          0              38 WAITING                


Thanks for your time.
CP



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