Re: Oracle Apps concurrent manager and DB Crash
- From: Balakrishna Y <krishna000@xxxxxxxxx>
- To: ksmadduri@xxxxxxxxx
- Date: Mon, 5 Oct 2009 11:36:45 +0530
Hi,
You can notify users when you concurrent managers gets crashed for various
reasons and it all depends on you , to how to notify users . When Conc
Manager is crashed all the running requests will fail as completed Error .
You can identify with this .
By default any concurrent program you define , there is a option
called *Restart
on System* *Failure* this will take care of restarting failed concurrent
programs. Once you start all the services , it automatically pics the
concurrent programs to run , if this option is checked (Restart on System
Failure ).
Regards
Bala
On Sun, Oct 4, 2009 at 10:03 PM, Kumar Madduri <ksmadduri@xxxxxxxxx> wrote:
> Hi All
> Let us database crashed because the node was unresponsive or for some other
> reason. In Oracle Apps, concurrent manager also crashes . In my
> understanding, when the database is back up, and you bring up the concurrent
> manager the jobs that were running at the time of the crash should be able
> to recover and continue without any data corruption (unless you have custom
> programs that are commiting parent tables without inserting data in to child
> tables. Even these should be fine theoritically because
> fnd_concurrrent_Requests should maintain the status of the jobs and continue
> from where it left and I have not checked but most Oracle concurrent
> programs (given by Oracle) would have the logic of checking which tables are
> updated/deleted/instered an in what order ).
> So my question is should we not just bring up the concurrent manager after
> a crash and not have to worry about which programs were running just before
> the crash and notify users that such and such program was running before the
> crash..
> Since fnd_concurrent_requests maintain the status of the jobs , the
> concurrent manager should be able to pick up the jobs that were in this
> table and their statuses and we should be good to go.
>
> What is your opinion on this?
>
> Thank you
> Kumar
>
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