Title: RE: Rollback segment shrinks

Terry,

This query will tell you which process is using which rollback segment, maybe
that'll help you backtrack to find out what's going on.

column "Oracle UserName" FORMAT a15
column "RBS Name" format a15
select r.name "RBS Name", p.spid, l.sid "ORACLE PID",
        s.username "Oracle UserName"
from v$lock l, v$process p, v$rollname r, v$session s
where s.sid = l.sid and l.sid = p.pid(+)
and r.usn = trunc(l.id1(+)/65536)
and l.type(+) = 'TX' and l.lmode(+) = 6
order by r.name
/


HTH,
Rich


-----Original Message-----
From: Rodrigues, Bryan [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, June 05, 2002 12:23 PM
To: Multiple recipients of list ORACLE-L
Subject: RE: Rollback segment shrinks


Terry,

Can you see if there are any session(s) (runaway or not) that might be
causing your rollback segments to fill up? Until you can figure out what
sessions are filling up the rollbacks you will be stuck adding more space
until those session(s) end.

Bryan

-----Original Message-----
Sent: Wednesday, June 05, 2002 11:53 AM
To: Multiple recipients of list ORACLE-L


Oracle 8.1.6.3 on Sun Solaris 2.6.

The rollback tablespace filled up last night and the rollback segments
became full.  I added space to the tablespace and tried shrinking the
rollback segments.  They remained full, so I altered them offline and
online.  The extents are increasing, but I still can not get a shrink to
work.  If they don't stop increasing, my tablespace will fill up again and I
can't keep throwing disk at it.  Since this is a production system, bouncing
is not an option.

Any ideas?

TIA

Terry

Terry Ball, DBA
Birch Telecom
Work: 816-300-1335
FAX:  816-300-1800

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