AW: AW: V$Transaction entry

From: Petr Novak <Petr.Novak_at_trivadis.com>
Date: Fri, 18 Feb 2011 07:47:46 +0000
Message-ID: <09011014EB621E4CBC2536B62A1B6407024533_at_SMXC001.trivadis.com>



Hallo Mark,

today I am not at customers site. But yesterday it remained the same value.

Best Regards,
Petr Novak



Von: Bobak, Mark [Mark.Bobak_at_proquest.com] Gesendet: Freitag, 18. Februar 2011 08:29 Bis: Petr Novak
Cc: Anjul; oracle-l_at_freelists.org
Betreff: Re: AW: V$Transaction entry

Hmmm, so, if you select used_ublk from v$transaction several times in a row, does Rhe value increase, decrease, or stay the same?

Sent from my iPhone

On Feb 18, 2011, at 2:24 AM, "Petr Novak" <Petr.Novak_at_trivadis.com> wrote:

> Hallo Mark,
>
> there is no such session. From V$LOCKED_OBJECT I get SID 615 which does not exist.
>
> Best Regards,
> Petr Novak
>
> ________________________________________
> Von: Bobak, Mark [Mark.Bobak_at_proquest.com]
> Gesendet: Donnerstag, 17. Februar 2011 22:02
> Bis: Petr Novak; Anjul
> Cc: oracle-l_at_freelists.org
> Betreff: RE: V$Transaction entry
>
> Hi Petr,
>
> So, if you take that row from v$transaction, can you identify the session with the following SQL?
>
> select sid,serial# from v$session where taddr in(select addr from v$transaction where <conditions to identify the row in v$transaction that you're interested in>);
>
> Then kill the session returned from this query.
>
> -Mark
>
> -----Original Message-----
> From: oracle-l-bounce_at_freelists.org [mailto:oracle-l-bounce_at_freelists.org] On Behalf Of Petr Novak
> Sent: Thursday, February 17, 2011 3:44 PM
> To: Anjul
> Cc: oracle-l_at_freelists.org
> Subject: AW: V$Transaction entry
>
> Hallo Anjul,
>
> there is no row in dba_2pc_pending, only in V$transaction
>
> Mit freundlichen Grüssen
> Petr Novak
>
> ________________________________________
> Von: Anjul [anjulsahu_at_gmail.com]
> Gesendet: Donnerstag, 17. Februar 2011 20:55
> Bis: Petr Novak
> Cc: oracle-l_at_freelists.org
> Betreff: Re: V$Transaction entry
>
> We had a similar issue in our production environment and we had to bounce the database to clear off those transactions. But recently i learned that we can force other sessions to rollback or commit. For doing that we force any transaction privilege.
>
> ROLLBACK FORCE 'transaction_id' ;
>
> transaction_id can be fetched from dba_2pc_pending view.
>
> documented_at_/oracle_9i/doc/server.901/a90117/ds_txnma.htm
>
> HTH
> Anjul
>
> On Fri, Feb 18, 2011 at 12:50 AM, Petr Novak <Petr.Novak_at_trivadis.com<mailto:Petr.Novak_at_trivadis.com>> wrote:
> Hi,
>
> I have following problem:
>
> update on table waits for lock (only one row tested) , there is no lock on the table in v$LOCK, analyze table validate structure gets ORA-00054,
> no rows in db_2pc_pending or pending_sessions , but there is one day old entry in V$TRANSACTION and V$LOCKED_OBJECT shows lock held by nonexistent session.
> Is there some possibility how to delete this entry from v$transaction without restarting the DB ? with dbms_transaction (I have no rights on it) ?
>
> Best Regards,
> Petr Novak
>
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> Anjul Sahu
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Received on Fri Feb 18 2011 - 01:47:46 CST

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