RE: What is this doing for me?

  • From: "Wolfson Larry - lwolfs" <lawrence.wolfson@xxxxxxxxxx>
  • To: "Mladen Gogala" <mgogala@xxxxxxxxxxxxxxxxxxxx>
  • Date: Wed, 17 Aug 2005 11:28:10 -0500

Hi, Mladen,
            I should have been more specific.  Oracle on SUN
        Got these stats.


Statement Enqueue Statistics

Type,Mode  Duration       # Calls    Avg         Min         Max
------------------------- --------------- ---------------------
----------------- -----------------
TX,4      15.712781s   57.4%   6    2.618797s    0.675651s   3.007695s
CF,6      11.674449s   42.6%  76    0.153611s    0.000001s   1.030237s
HW,6       0.000771s    0.0%   1    0.000771s    0.000771s   0.000771s
          27.388001s  100.0%  83    0.329976s

-----Original Message-----
From: Mladen Gogala [mailto:mgogala@xxxxxxxxxxxxxxxxxxxx] 
Sent: Wednesday, August 17, 2005 11:09 AM
To: Wolfson Larry - lwolfs
Cc: oracle-l@xxxxxxxxxxxxx
Subject: Re: What is this doing for me?

Wolfson Larry - lwolfs wrote:

>This statement appears to be killing our performance.
>What's going on and is there anything we can do about it?
>groups,65535),cachehint,hwmincr, NVL(spare1,0) 
>from seg$ 
>where ts#=:1 
>and file#=:2 
>and block#=:3
>       Thanks
Analyzing data dictionary might help, if the oracle version allows it. 
How do you know that this is the
statement that is killing your performance?  May be increasing shared 
pool would help?  What kind
of waits are you encountering?

Mladen Gogala
Oracle DBA
Ext. 121
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