Thanks. Figured that out as well from the early draft of ActiveMQ in Action book.
-Feng On Tue, Apr 6, 2010 at 1:52 AM, Dejan Bosanac <de...@nighttale.net> wrote: > Hi, > > for shared filesystem master slave setup you should use either KahaDB (from > 5.3.0 on) or ActiveMQ persistence adapter (on earlier versions). If you > plan > to have shared database master slave, that you should use JDBC persistence > adapter (without journaling). > > Cheers > -- > Dejan Bosanac - http://twitter.com/dejanb > > Open Source Integration - http://fusesource.com/ > ActiveMQ in Action - http://www.manning.com/snyder/ > Blog - http://www.nighttale.net > > > On Mon, Apr 5, 2010 at 9:36 AM, Feng AtWork <feng8w...@gmail.com> wrote: > > > Hi, There, > > > > I have been evaluating ActiveMQ for our new project for the past few > weeks, > > and I cannot find a conclusive answer about exactly which persistence > > adapters can be used with a shared file system master/slave set up. > > > > There seems to be some conflicting information out there, for example: > > > > 1) according to Bruce Snyder in this thread, > > > > > http://markmail.org/message/ldjoyewy3jczcaai?q=shared+file+system++list:org.apache.activemq.users > > , > > it seems journaledJBDC can only be used with shared JDBC master/slave, > > > > but 2) the example in > > http://activemq.apache.org/shared-file-system-master-slave.html shows to > > use > > just the journaledJDBC adapter with shared file system master/slave; > > > > and 3), according to the same thread in 1), AMQ persistence should be > used > > with shared file system master/slave. > > > > And what about kahaPersistenceAdapter, it is file based, but the above > > thread mentions http://activemq.apache.org/kahadb-master-slave.html, > which > > uses zookeeper and is not supported. > > > > Finally, what is the different between kahaPersistenceAdapter in > > <kahaPersistenceAdapter dir="target/kaha-data"/> and just kaha in <kahaDB > > directory="activemq-data" journalMaxFileLength="32mb"/>. Are > > kahaPersistenceAdater and kahaDB the same thing? If > > kahaPersistenceAdapter > > cannot be used with shared file system JDBC, can kahaDB be used instead? > > > > Any clarification will be much appreciated. We load tested journaledJDBC > > with default derby data source and an Oracle data source, the performance > > were not satisfactory. > > > > Thanks. > > > > -Feng > > >
