![]() For example, use your name for the cluster name and the last four digits of your phone number for the port. To configure and start the example cluster:Ĭreate a file named tangosol-coherence-override.xml.Īdd the following override configuration and replace cluster_name and port with values that are unique for this cluster. The default configuration is also modified to load the example-config.xml cache configuration file instead of the default cache configuration file. In particular, the default configuration is modified to create a private cluster which ensures that the two processes do not attempt to join an existing Coherence cluster that may be running on the network. The example cluster uses an operational override file to modify the out-of-box default cluster configuration. The cache server, by default, is configured to store cache data. For simplicity, the two processes are collocated on a single machine. For the sample applications in this chapter, two separate Java processes form the cluster: a cache server process and the Hello World application process. When a JVM joins the cluster, it is called a cluster node, or alternatively, a cluster member. At run time, any JVM process that is running Coherence automatically joins the cluster and can access the caches and other services provided by the cluster. ![]() ![]() Step 2: Configure and Start the Example ClusterĬaches are hosted on a Coherence cluster. The following cache configuration defines a basic distributed cache which is mapped to the cache name hello-example.Ĭreate an XML file named example-config.xml.Ĭopy the following distributed cache definition to the file: This allows configuration changes to be made to a cache without having to change an application's code. ![]() Caches are defined in a cache configuration deployment descriptor and are referred to by name within an application. ![]()
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