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Posted to server-user@james.apache.org by BC...@MICROS.COM on 2001/08/06 21:23:42 UTC
Can 2 instances of JAMES share the same database?
Hi,
We are thinking of using JAMES to handle SMTP traffic on a messaging server,
but would like to be able to have it running on two machines for redundancy
(using a hardware load balancer). If I configure it to save it's user info
and message stores in an Oracle database, does anyone know if there are any
issues with both instances accessing the database at the same time?
Thanks,
Bruce
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Re: Can 2 instances of JAMES share the same database?
Posted by Thomas Jachmann <ho...@gmx.de>.
If you set up all repositories to work on the database except for the spool
repository, which should go to the file system or to separate databases for
each instance of James, it should actually work. Or am I wrong?
Cheers,
Thomas
----- Original Message -----
From: "Serge Knystautas" <se...@lokitech.com>
To: <ja...@jakarta.apache.org>
Sent: Monday, August 06, 2001 9:33 PM
Subject: Re: Can 2 instances of JAMES share the same database?
> There's a problem with the spool managers as locks are handled within each
> given instance. This means it's possible that a message could arrive in
the
> spool repository, and both mail engines would try to process it. Aside
from
> this locking issue, I think things would be fine.
>
> Serge Knystautas
> Loki Technologies
> http://www.lokitech.com/
> ----- Original Message -----
> From: <BC...@MICROS.COM>
> To: <ja...@jakarta.apache.org>
> Sent: Monday, August 06, 2001 3:23 PM
> Subject: Can 2 instances of JAMES share the same database?
>
>
> >
> > Hi,
> >
> > We are thinking of using JAMES to handle SMTP traffic on a messaging
> server,
> > but would like to be able to have it running on two machines for
> redundancy
> > (using a hardware load balancer). If I configure it to save it's user
> info
> > and message stores in an Oracle database, does anyone know if there are
> any
> > issues with both instances accessing the database at the same time?
> >
> > Thanks,
> > Bruce
>
>
>
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> To unsubscribe, e-mail: james-user-unsubscribe@jakarta.apache.org
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>
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Re: Can 2 instances of JAMES share the same database?
Posted by Oki DZ <ok...@pindad.com>.
On Mon, 6 Aug 2001, Serge Knystautas wrote:
> There's a problem with the spool managers as locks are handled within each
> given instance. This means it's possible that a message could arrive in the
> spool repository, and both mail engines would try to process it. Aside from
> this locking issue, I think things would be fine.
And due to the locking issue, you may have the messages get sent twice.
Oki
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Re: Can 2 instances of JAMES share the same database?
Posted by Serge Knystautas <se...@lokitech.com>.
There's a problem with the spool managers as locks are handled within each
given instance. This means it's possible that a message could arrive in the
spool repository, and both mail engines would try to process it. Aside from
this locking issue, I think things would be fine.
Serge Knystautas
Loki Technologies
http://www.lokitech.com/
----- Original Message -----
From: <BC...@MICROS.COM>
To: <ja...@jakarta.apache.org>
Sent: Monday, August 06, 2001 3:23 PM
Subject: Can 2 instances of JAMES share the same database?
>
> Hi,
>
> We are thinking of using JAMES to handle SMTP traffic on a messaging
server,
> but would like to be able to have it running on two machines for
redundancy
> (using a hardware load balancer). If I configure it to save it's user
info
> and message stores in an Oracle database, does anyone know if there are
any
> issues with both instances accessing the database at the same time?
>
> Thanks,
> Bruce
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