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 9.2.0.4 on SUN
Got these stats.
Larry
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
Total
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?
>
>select
>type#,blocks,extents,minexts,maxexts,extsize,extpct,user#,iniexts,NVL(l
i
>sts,65535),NVL(
>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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