Still spends some time dealing with sending messages to the cluster, One that changed the cache content the thread that makes the change Mean sending the message is handled by some other thread besides the Synchronous mode is needed when all the nodes in the cluster mayĪccess the cached data resulting in a high need for consistency.Ĭhange(s) and then immediately returns, without any acknowledgement Waiting for acknowledgement fromĪll nodes adds delays, but it ensures consistency around the cluster. Any locks are held until thisĪcknowledgment is received. Of a JTA transaction, this is done as part of a 2 phase-commit The cache instance sends a message to its peers notifying them of theĬhange(s) and before returning waits for them to acknowledge that Next we'll look at some of the key configuration options. Take various types java beans as their values. Properties are of simple types, but some, such asīuddyReplicationConfig and cacheLoaderConfig The setting of a number of properties on that bean. $-SFSBCacheīasically, the XML specifies the creation of an The types and properties of the various javaīeans that make up a JBoss Cache configuration can be seen in the You look at the standard configurations the AS ships they includeĪll the major elements. The configuration format should be fairly self-explanatory if Management tools to manage the JBC configurations. In later AS 5.x releases will be helpful in allowing external Of making the microcontainer aware of the configuration beans, which Let the AS's microcontainer do it directly. Rather thanĭelegating this task of XML parsing/Java Bean creation to JBC, we cache loading, eviction, buddy replication).
Of child Java Beans for some of the more complex sub-configurations Standard configuration formats, it creates a Java Bean of type JBoss Microcontainer's schema rather than one of the standard JBossĬache configuration formats. The actual JBoss Cache configurations are specified using the entry elements for the other configurations details of the field-granularity-standard-session-cache configuration details of the standard-session-cache configuration The following is a redacted version of the "CacheConfigurationRegistry" Involve adding a new JBoss Cache configuration or changing a The element most likely to be edited is the "CacheConfigurationRegistry"īean, which maintains a registry of all the named JBC configurations Section 11.2.1, “Deployment Via the CacheManager Service”.ĭeploy/cluster/jboss-cache-manager.sar/META-INF/jboss-cache-manager-jboss-beans.xmlįile. Users can also use the CacheManager as a factory forĬustom caches used by directly by their own applications see Look at the most likely place that a user would encounter them. Schema to be consistent with most other internal AS services.īefore getting into the key configuration options, let's have a The standard JBoss AS CacheManager service uses the JBoss Microcontainer JBoss Cache has its own custom XML schema, but
JBoss Microcontainer schema for building up an .Configuration Most JBoss Cache configuration examples in this section use the
Local private cache write through full#
Is by no means a complete discussion for full details users interested in movingīeyond the default configurations are encouraged to read the JBoss Cache
Provide a brief overview of some of the key configuration choices. Has special network or performance requirements. You only need to tweak them when you are deploying an application that Most applications that involve the standardĬlustered services just work out of the box with the default configurations. web session replication or JPA/Hibernate caching). JBoss AS ships with a reasonable set of default JBoss CacheĬonfigurations that are suitable for the standard clustered service How the standard JBoss AS clustered services use JBoss Cache.ġ1.1. Key JBoss Cache Configuration Options See also Section 3.2, “Distributed Caching with JBoss Cache” for information on Users considering deploying JBoss Cache for direct use by their ownĪpplication are strongly encouraged to read the JBoss Cache We then discuss the different options available How those options relate to the JBoss Cache usage by the standard clustered In this chapter we provide some background on the mainĬonfiguration options available with JBoss Cache, with an emphasis on You canĪlso deploy JBoss Cache in your own application to handle custom caching JBoss Cache provides the underlying distributed caching support usedīy many of the standard clustered services in a JBoss AS cluster. Deployment Via a -service.xml File 11.2.3. Deployment Via the CacheManager Service 11.2.2. Deploying Your Own JBoss Cache Instance 11.2.1. Editing the CacheManager Configuration 11.1.2. Key JBoss Cache Configuration Options 11.1.1.
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