You can create a store and forward network of master/slave clusters if you really need to - though I doubt you'll ever need to - but at least you can tell your customer that yes, if you need to, you can run multiple master/slave clusters in a store/forward network.
On 20/11/2007, ktecho <[EMAIL PROTECTED]> wrote: > > I haven't done any performance test by now (besides testing some > sending/receiving stuff in my notebook), but you sure can understand that I > must provide a Scalability Guide to my customer, so even if I can process > "one hundred million messages a second", I need to provide him with a guide > just in case he need "two hundred million messages a second". That's why I > need to fully understand how this works in ActiveMQ, but I found the docs to > be a bit messy. Could be that english is not my native tongue, too. > > The machines that runs the brokers should do some more work (some parsing > and inserting into file or BBDD), so it would be nice if we can use all of > them (even if "all" is 2 or 3) as Masters, as using Slaves means something > like calling the solution Active/Pasive, instead of Active/Active. > > Could I use two or three (just in case I need them) different Active > (master) brokers using journaled files or database, and telling them that if > one of them fails, the others takes its messages and routes them to > consumers? Or that can only be done with Master/Slave (Active/Passive) > configurations? > > Thanks a lot. > > > > James.Strachan wrote: > > > > On 19/11/2007, ktecho <[EMAIL PROTECTED]> wrote: > >> Something like 860 KB/sec of text encapsulated into JMS messages of about > >> 150 > >> bytes each one, coming from 42 machines. The problem is that we need to > >> do > >> some parsing of the messages on the machine, and that the number of > >> clients > >> could potentially grow. That's why we need some brokers to be Master. > > > > So here's the common misconception. You can have thousands and > > thousands of JMS clients processing messages concurrently on queues. > > However a single message broker (or master/slave cluster) can deal > > with this kind of volume without breaking into a sweat. > > > > Have you tried doing some performance benchmarking yet? > > http://activemq.apache.org/activemq-performance-module-users-manual.html > > > > > >> The only way to provide HA and Load Balancing is to increase the number > >> of > >> server in pairs (master/slave)? > > > > See this for more background > > http://activemq.apache.org/clustering.html > > > > -- > > James > > ------- > > http://macstrac.blogspot.com/ > > > > Open Source Integration > > http://open.iona.com > > > > > > -- > View this message in context: > http://www.nabble.com/High-Availability-and-Load-Balancing-tf4838228s2354.html#a13848519 > Sent from the ActiveMQ - User mailing list archive at Nabble.com. > > -- James ------- http://macstrac.blogspot.com/ Open Source Integration http://open.iona.com
