Tim,

Are you aware of ActiveMQ moving towards using a bulkhead pattern?

Thank you.

Vince

On 7/28/21, 10:53 AM, "Vince Cox" <v...@perforce.com> wrote:

    Tim,

    Since they have experienced such an issue with leader election, they are 
requesting implementing a bulk head pattern to increase the resiliency of 
ActiveMQ

    Vince

    On 7/12/21, 10:27 AM, "Vince Cox" <v...@perforce.com> wrote:

        Tim,

        I understand your point of view completely. I have a customer that runs 
Oracle. When they have moderate traffic they experience a failover event 
between the Master/Slave. And it appears to come from an inability to access 
the lock in time causing the slave to take over. When they first came to us, we 
wondered why they wanted to do this as well.

        Vince

        On 7/12/21, 7:56 AM, "Tim Bain" <tb...@alumni.duke.edu> wrote:

            To confirm, are you saying that you're trying to use one Oracle 
database
            for message storage and a different Oracle database for locking?

            If so, would you mind explaining why you're not just using a single
            database for both purposes? I have no idea if the configuration I 
think
            you're describing is possible in the current implementation, but I 
could
            imagine someone saying that there was no need to support it because 
no one
            would ever use it since they'd never want multiple SQL databases 
vs. using
            a single database for both purposes, and I'd like to understand why 
that
            assumption is a bad one.

            Tim

            On Sun, Jul 11, 2021, 7:23 PM Vince Cox <v...@perforce.com> wrote:

            > Using ActiveMQ 5.15.x & 5.16.x I have been unable to get both the 
locking
            > mechanism and the data on 2 unique data sources (using oracle)? 
Having
            > failover issues if they share the connection pool and data 
source. Is
            > anyone aware of how to do this? Is this something ActiveMQ should 
be able
            > to do?
            >
            > Thank you.
            >
            > Vince
            >
            >
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