RE: optimizer_max_permutations
- From: Thomas Jeff <jeff.thomas@xxxxxxxxxxx>
- To: "'oracle-l@xxxxxxxxxxxxx'" <oracle-l@xxxxxxxxxxxxx>
- Date: Thu, 4 Mar 2004 13:26:14 -0500
Actually, the default is 2000 in 9.2.0.4 only if optimizer_features_enable
is set to 9.2.
Set optimizer_features_enable back to 8.1.7 and permutations will default to
80000.
-----Original Message-----
From: Jared.Still@xxxxxxxxxxx [mailto:Jared.Still@xxxxxxxxxxx]
Sent: Wednesday, March 03, 2004 7:04 PM
To: oracle-l@xxxxxxxxxxxxx
Subject: Re: optimizer_max_permutations
As the default value on 9.2.0.4 is already 2000, I don't think you will see
much difference.
Jared
<ryan.gaffuri@xxxxxxx>
Sent by: oracle-l-bounce@xxxxxxxxxxxxx
03/03/2004 03:34 PM
Please respond to oracle-l
To: oracle-l@xxxxxxxxxxxxx
cc:
Subject: optimizer_max_permutations
I've been talking to Oracle Support about some performance problems and they
told me to set optimizer_max_permutations=2000
Has anyone tested how this effects the CBO? This is on 9.2.0.4 on Solaris.
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