Re: How to manage rolback segments?

What are the actual parameters for the rollback segments? Initial, next min, max, optimal?

EBR wrote:

> Hi,
>
> I'm running a large database, with about 200,000 new records a day.
> I'm experiencing problems with rollback segments, with messages like
> 'cannot extend rollback segment 10', etc.
>
> I have activated the ROLLBACK_DATA tablespace with 5 public segments.
> The tablespace has 100mb and each rollback has 20mb with extents of
> 300k.
>
> I also created a public for the schema itself. It seems that Oracle
> uses the rollback segment in a cycle and doesn't shrink the segment to
> the optimal size after finishing a large transaction.
>
> My questions are:
>
> - How to "forget" the rollback segments and let them be
> auto-administrated?
>
> - How to activate a private rollback segment and force the schema to
> always put any transaction there without changing the client code?
>
> Thank you very much,
>
> EBR
> ** Please remove the primes to get my real e-mail
Received on Sun Apr 04 1999 - 13:02:06 CDT