[CONF] Apache Qpid: 3rd Party Libraries (page edited)

[confluence]

Page Edited : qpid : 3rd Party Libraries 3rd Party Libraries has been edited by Marnie McCormack (Dec 05, 2006). (View changes) Content: Qpid Persistence Options There are currently two options for persistence in Qpid, as shown in the table below. Persistence Style Provider Advantages Disadvantages In-Memory Qpid MemoryMessageStore Comes as part of the Qpid package Only scales to max heap available Berkeley DB Store Berkeley project Allows persistence for larger messages/volumes Not Apache licensed Using In-Memory Persistence Using In-Memory persistence is the default when you install Qpid and requires no additional install/configuration. Using Berkeley DB Persistence Install Berkeley DB If you choose to use the Berkeley DB solution for scalability purposes then you should download & install version 3.1 from http://www.oracle.com/technology/software/products/berkeley-db/je/index.html Amend your Qpid configuration to switch BDB on The default Qpid configuration file can be found in the etc directory of your install and is named config.xml. To use BDB, simply add the following element: <store> <class>org.apache.qpid.server.store.berkeleydb.BDBMessageStore</class> </store> Install the Qpid bridge modules for Berkeley DB As a temporary measure, you can detach the bridging modules from this page bdbstore.jar. You should then ensure that this jar is included in the classpath for your client application, along with the BDB jar (je-<version>.jar). This can simply be done by editing the your classpath to add the two jars that you need and then pass an option into qpid-server to use your classpath. So, first set your classpath to something like this: CLASSPATH=$QPID_HOME/lib/qpid-incubating.jar:$QPID_HOME/lib/bdbstore.jar:$QPID_HOME/lib/je-<version>.jar Then, run qpid-server passing the following additional flag: qpid-server -run:external-classpath=first We hope to be able to integrate these modules into our Apache project shortly - but pending a discussion about the appropriate way to handle this process.

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