Re: Data Guard Hanging

Tom,

if I understood correctly, in case you take sid from v$streams_apply_server and join it to v$session the sql_id is empty?

if it is, try enable sql trace with wait events and see what session is doing. starce/truss might provide some low-level related information as well (though sql trace should be enough).

On Fri, Dec 5, 2008 at 8:36 AM, Mercadante, Thomas F (LABOR) < Thomas.Mercadante_at_labor.state.ny.us> wrote:

> All,
>
> I am running a Data Guard with a Logical Standby on Aix V 10.2.0.4.
>
> This is our first run at this so we are still learning.
>
>
> During my first large data load in the primary database, I ran out of room
> in my tablespaces. The load died and I restarted it after fixing the
> tablespaces. I then noticed that the DDL did not change the tablespaces in
> the Logical Standby. I realized that this does not happen automatically because
> the Apply died. I changed the tablespaces in the Standby and restarted
> Apply. Everything seemed to work fine. The data all got propagated over.
> But now the Apply process seems to be hung – or very slow. We are about
> 150 archivelogs behind. All of the monitoring sql's that Oracle Metalink
> gives us shows that the apply process is just running "EXECUTE TRANSACTION
> " – I can't see any sql statements being run.
>
> Anybody seen anything like this? We have an SR submitted with Oracle and
> the have been actively asking questions but nothing so far.
>
>
> Thanks
>
> Tom
>
>

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Alex Fatkulin,
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