Re: Control File locks

Of course,he is Steve Adams. Who else can give me such nice script? He suspect we had application design problem. We had serious performance problem associate with the cf lock.

Joan

"Gogala, Mladen" wrote:
>
> No, it's not a problem, it's just a matter of scientific interest.
> Your query looks very good, I like it. Who is Steve that you have
> mentioned in your post?
>
> > -----Original Message-----
> > From: Joan Hsieh [mailto:joan.hsieh_at_tufts.edu]
> > Sent: Tuesday, February 26, 2002 4:12 PM
> > To: Multiple recipients of list ORACLE-L
> > Subject: Re: Control File locks
> >
> >
> > Last year when I worked at a internet company. We had same problem.
> > CF
> > constantly get locked. Steve asked me to run this query. I am not sure
> > it
> > will help you or not? But at least it give you some idea which sql
> > caused the lock. It was a mystery for us, never get solved.
> > By the way,
> > do you have st lock problem?
> >
> > Joan
> >
> > column resource format a8
> > column sid format a4 justify right
> > column sql_text format a38 wor
> > break on resource
> >
> > select /*+ rule */
> > l.type || '-' || l.id1 || '-' || l.id2 "RESOURCE",
> > nvl(b.name, lpad(to_char(l.sid), 4)) sid,
> > decode(
> > l.lmode,
> > 1, ' N',
> > 2, ' SS',
> > 3, ' SX',
> > 4, ' S',
> > 5, ' SSX',
> > 6, ' X'
> > ) holding,
> > decode(
> > l.request,
> > 1, ' N',
> > 2, ' SS',
> > 3, ' SX',
> > 4, ' S',
> > 5, ' SSX',
> > 6, ' X'
> > ) wanting,
> > l.ctime seconds,
> > q.sql_text
> > from
> > sys.v_$lock l,
> > sys.v_$session s,
> > sys.v_$bgprocess b,
> > sys.v_$sql q
> > where
> > l.type in ('CF', 'ST') and
> > s.sid = l.sid and
> > b.paddr (+) = s.paddr and
> > q.address (+) = s.sql_address
> > order by
> > l.type || '-' || l.id1 || '-' || l.id2,
> > sign(l.request),
> > l.ctime desc
> > /
> > --
> > Please see the official ORACLE-L FAQ: http://www.orafaq.com
> > --
> > Author: Joan Hsieh
> > INET: joan.hsieh_at_tufts.edu
> >
> > Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
> > San Diego, California -- Public Internet access / Mailing Lists
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> >
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Gogala, Mladen
> INET: MGogala_at_oxhp.com
>
> Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
> San Diego, California -- Public Internet access / Mailing Lists
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Joan Hsieh
  INET: joan.hsieh_at_tufts.edu

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
San Diego, California        -- Public Internet access / Mailing Lists
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