Re: Rollbacks

Hi,

I don't talk about especially XACTS. You may encounter negative value when:

• if bstat/estat are not run in correct order
• bug

I know several bugs about that. But I don't remember bug number.

VIVEK_SHARMA wrote:

> report.txt :-
>
> What Does the NEGATIVE ( -1 ) Value for field XACTS (below) mean ?
>
> SVRMGR> Rem Waits_for_trans_tbl high implies you should add rollback
> segments.
> SVRMGR> select * from stats$roll;
> UNDO_SEGMENT TRANS_TBL_GETS TRANS_TBL_WAITS
> UNDO_BYTES_WRITTEN SEGMENT_SIZE_BYTES XACTS SHRINKS
> WRAPS
> ------------------- ------------------- -------------------
> ------------------- ------------------- -------------------
> ------------------- -------------------
> 0 137 0
> 0 237568 0 0
> 0
> 2 880 0
> 464946 10641408 0 0
> 1
> 3 913 1
> 794780 10641408 -1 0
> 2
>
>
> NOTE - Banking Product with Database having 400 Concurrent Staff users
>
> Rollback Segments = 100 in number
> INITIAL_EXTENT = 512 K , NEXT_EXTENT = 512K , MINEXTENTS=20 ,
> OPTIMAL=10M
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: VIVEK_SHARMA
> INET: VIVEK_SHARMA_at_infy.com
>
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--
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-- 
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-- 
Author: Danisment Gazi Unal (Unal Bilisim)
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