activemq-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "James Strachan" <james.strac...@gmail.com>
Subject Re: Master/Slave topology in 4.1
Date Mon, 21 Aug 2006 07:30:20 GMT
On 8/18/06, Ning Li <Ning.Li@businessobjects.com> wrote:
> Hi,
>
> I have a question about JDBC Master/Slave in 4.1.
>
> In Active 4.0, each broker has its own DB, the Slave has to duplicate
> the states of the Master in order to take over, how about the JDBC
> Master/Slave in 4.1? Does the Slave still duplicate the states of the
> Master, or it just get all the information from DB when it becomes the
> Master, as the brokers share the same DB, all the state can be recovered
> from the DB except some non-persistent messages will get lost.

The latter - the slave just grabs and locks the database that the
master is using.

-- 

James
-------
http://radio.weblogs.com/0112098/

Mime
View raw message