Re: UNDO poll - was undo segments vs. rbs
- From: Rachel Carmichael <wisernet100@xxxxxxxxx>
- To: oracle-l@xxxxxxxxxxxxx
- Date: Wed, 19 May 2004 05:42:04 -0700 (PDT)
more space needed in some of our databases (high activity), no change
in those of relatively small activity
by "high" I mean a large amount of data processed in OLTP, with lots of
batch processing going on as well
--- Jonathan Lewis <jonathan@xxxxxxxxxxxxxxxxxx> wrote:
>
> I'd be interested in a quick poll.
>
> Your case is the first time I've heard of undo space
> being less than rollback space. Every other comment
> I've heard has been along the lines of
> why has my 1GB rbs t/s grown to 12GB when
> I switched to undo t/s.
>
> So - out of three options:
> Undo much bigger
> Undo much smaller
> No significant change noticed
>
> Would people like to contribute.
>
> I've changed the subject heading to isolate the poll.
>
> Regards
>
> Jonathan Lewis
>
>
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