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From Rob Davies <rajdav...@gmail.com>
Subject Re: Scheduled Failover
Date Thu, 10 Apr 2008 16:01:19 GMT

On 10 Apr 2008, at 16:55, Rob Bugh wrote:

>
> I am using a JDBC Master/Slave topology. I'm using Postgres as the  
> db and
> noticed that due to the long running transaction of the master  
> holding the
> lock on the activemq_lock table my vacuums are not very effective.  
> If you
> are familiar with posgres then you know that vacuum can only recover  
> dead
> tuples up to the point of the oldest transaction.
>
> So I would like to regularly failover the master to the slave to  
> keep the
> lock transaction timestamp moving forward in time.
>
> Is there any facility built into activemq that would allow me to  
> schedule a
> restart of a broker? For example, it would be nice to have the  
> ability to
> specify in the broker.xml a TTL value that would mean run for this  
> much time
> then restart yourself (or shutdown).
>
> Rob
> -- 
> View this message in context: http://www.nabble.com/Scheduled-Failover-tp16609623s2354p16609623.html
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>

That sounds like a nice enhancement ! - could you raise a jira ?




cheers,

Rob

http://open.iona.com/ -Enterprise Open Integration
http://rajdavies.blogspot.com/




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