RE: RE: Rollback Segment tuning

From: Stephane Faroult <sfaroult_at_oriolecorp.com>
Date: Mon, 03 Jun 2002 04:18:19 -0800
Message-ID: <F001.00472381.20020603041819@fatcity.com>

('binary' encoding is not supported, stored as-is)
>
>Hi Stephane,=0D
>=0D
>I run the script and I have =0D
>=0D
>OPTIMAL =3D 5 * ceil(max(v$rollstat.aveactive) / 4
>/ sys.ts$.blocksize)* sy=
>s.ts$.blocksize / 1024 =0D
>=0D
>the result is 0 K for my optimal. : )=0D
>=0D
>regards,=0D
>Sinardy=0D

Probably not enough significant activity. It tries to set OPTIMAL to the 'average active' plus a security margin of 20% (to avoid too many shrinks). If you have a very small transaction from time to time, it can be a very low value indeed. In that case, you probably do not have to worry anyway ...

Regards,

Stephane Faroult
Oriole

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Author: Stephane Faroul
  INET: sfaroult_at_oriolecorp.com

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Received on Mon Jun 03 2002 - 07:18:19 CDT