Rollbacks

From: VIVEK_SHARMA <VIVEK_SHARMA_at_infy.com>
Date: Tue, 01 May 2001 03:17:36 -0700
Message-ID: <F001.002F624F.20010501022543@fatcity.com>

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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