Thanks for the reply.
In this link http://www.activemq.com/site/masterslave.html, it mentioned that "in ActiveMQ 4.1 or later you can use a <masterconnector> ...", but if slave won't replicate master's state, I guess that config element is not needed, right? Ning -----Original Message----- From: James Strachan [mailto:[EMAIL PROTECTED] Sent: Monday, August 21, 2006 12:30 AM To: [email protected] Subject: Re: Master/Slave topology in 4.1 On 8/18/06, Ning Li <[EMAIL PROTECTED]> 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/
