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23.3. CLI Commands
Unless specified otherwise, all listed commands for the JBoss Data Grid CLIs can be used with both the Library Mode and Server Mode CLIs. Specifically, the
deny (see Section 23.3.8, “The deny Command”), grant (see Section 23.3.14, “The grant Command”), and roles (see Section 23.3.19, “The roles command”) commands are only available on the Server Mode CLI.
23.3.1. The abort Command
The
abort command aborts a running batch initiated using the start command. Batching must be enabled for the specified cache. The following is a usage example:
[jmx://localhost:12000/MyCacheManager/namedCache]> start [jmx://localhost:12000/MyCacheManager/namedCache]> put a a [jmx://localhost:12000/MyCacheManager/namedCache]> abort [jmx://localhost:12000/MyCacheManager/namedCache]> get a null
23.3.2. The begin Command
The
begin command starts a transaction. This command requires transactions enabled for the cache it targets. An example of this command's usage is as follows:
[jmx://localhost:12000/MyCacheManager/namedCache]> begin [jmx://localhost:12000/MyCacheManager/namedCache]> put a a [jmx://localhost:12000/MyCacheManager/namedCache]> put b b [jmx://localhost:12000/MyCacheManager/namedCache]> commit
23.3.3. The cache Command
The
cache command specifies the default cache used for all subsequent operations. If invoked without any parameters, it shows the currently selected cache. An example of its usage is as follows:
[jmx://localhost:12000/MyCacheManager/namedCache]> cache ___defaultcache [jmx://localhost:12000/MyCacheManager/___defaultcache]> cache ___defaultcache [jmx://localhost:12000/MyCacheManager/___defaultcache]>
23.3.4. The clear Command
The
clear command clears all content from the cache. An example of its usage is as follows:
[jmx://localhost:12000/MyCacheManager/namedCache]> put a a [jmx://localhost:12000/MyCacheManager/namedCache]> clear [jmx://localhost:12000/MyCacheManager/namedCache]> get a null
23.3.5. The commit Command
The
commit command commits changes to an ongoing transaction. An example of its usage is as follows:
[jmx://localhost:12000/MyCacheManager/namedCache]> begin [jmx://localhost:12000/MyCacheManager/namedCache]> put a a [jmx://localhost:12000/MyCacheManager/namedCache]> put b b [jmx://localhost:12000/MyCacheManager/namedCache]> commit
23.3.6. The container Command
The
container command selects the default cache container (cache manager). When invoked without any parameters, it lists all available containers. An example of its usage is as follows:
[jmx://localhost:12000/MyCacheManager/namedCache]> container MyCacheManager OtherCacheManager [jmx://localhost:12000/MyCacheManager/namedCache]> container OtherCacheManager [jmx://localhost:12000/OtherCacheManager/]>
23.3.7. The create Command
The
create command creates a new cache based on the configuration of an existing cache definition. An example of its usage is as follows:
[jmx://localhost:12000/MyCacheManager/namedCache]> create newCache like namedCache [jmx://localhost:12000/MyCacheManager/namedCache]> cache newCache [jmx://localhost:12000/MyCacheManager/newCache]>
23.3.8. The deny Command
When authorization is enabled and the role mapper has been configured to be the ClusterRoleMapper, principal to role mappings are stored within the cluster registry (a replicated cache available to all nodes). The
deny command can be used to deny roles previously assigned to a principal:
[remoting://localhost:9999]> deny supervisor to user1
Note
The
deny command is only available to the JBoss Data Grid Server Mode CLI.
23.3.9. The disconnect Command
The
disconnect command disconnects the currently active connection, which allows the CLI to connect to another instance. An example of its usage is as follows:
[jmx://localhost:12000/MyCacheManager/namedCache]> disconnect [disconnected//]
23.3.10. The encoding Command
The
encoding command sets a default codec to use when reading and writing entries to and from a cache. If invoked with no arguments, the currently selected codec is displayed. An example of its usage is as follows:
[jmx://localhost:12000/MyCacheManager/namedCache]> encoding none [jmx://localhost:12000/MyCacheManager/namedCache]> encoding --list memcached hotrod none rest [jmx://localhost:12000/MyCacheManager/namedCache]> encoding hotrod
23.3.11. The end Command
The
end command ends a running batch initiated using the start command. An example of its usage is as follows:
[jmx://localhost:12000/MyCacheManager/namedCache]> start [jmx://localhost:12000/MyCacheManager/namedCache]> put a a [jmx://localhost:12000/MyCacheManager/namedCache]> end [jmx://localhost:12000/MyCacheManager/namedCache]> get a a
23.3.12. The evict Command
The
evict command evicts an entry associated with a specific key from the cache. An example of it usage is as follows:
[jmx://localhost:12000/MyCacheManager/namedCache]> put a a [jmx://localhost:12000/MyCacheManager/namedCache]> evict a
23.3.13. The get Command
The
get command shows the value associated with a specified key. For primitive types and Strings, the get command prints the default representation. For other objects, a JSON representation of the object is printed. An example of its usage is as follows:
[jmx://localhost:12000/MyCacheManager/namedCache]> put a a [jmx://localhost:12000/MyCacheManager/namedCache]> get a a
23.3.14. The grant Command
When authorization is enabled and the role mapper has been configured to be the
ClusterRoleMapper, the principal to role mappings are stored within the cluster registry (a replicated cache available to all nodes). The grant command can be used to grant new roles to a principal as follows:
[remoting://localhost:9999]> grant supervisor to user1
Note
The
grant command is only available to the JBoss Data Grid Server Mode CLI.
23.3.15. The info Command
The
info command displays the configuration of a selected cache or container. An example of its usage is as follows:
[jmx://localhost:12000/MyCacheManager/namedCache]> info
GlobalConfiguration{asyncListenerExecutor=ExecutorFactoryConfiguration{factory=org.infinispan.executors.DefaultExecutorFactory@98add58}, asyncTransportExecutor=ExecutorFactoryConfiguration{factory=org.infinispan.executors.DefaultExecutorFactory@7bc9c14c}, evictionScheduledExecutor=ScheduledExecutorFactoryConfiguration{factory=org.infinispan.executors.DefaultScheduledExecutorFactory@7ab1a411}, replicationQueueScheduledExecutor=ScheduledExecutorFactoryConfiguration{factory=org.infinispan.executors.DefaultScheduledExecutorFactory@248a9705}, globalJmxStatistics=GlobalJmxStatisticsConfiguration{allowDuplicateDomains=true, enabled=true, jmxDomain='jboss.infinispan', mBeanServerLookup=org.jboss.as.clustering.infinispan.MBeanServerProvider@6c0dc01, cacheManagerName='local', properties={}}, transport=TransportConfiguration{clusterName='ISPN', machineId='null', rackId='null', siteId='null', strictPeerToPeer=false, distributedSyncTimeout=240000, transport=null, nodeName='null', properties={}}, serialization=SerializationConfiguration{advancedExternalizers={1100=org.infinispan.server.core.CacheValue$Externalizer@5fabc91d, 1101=org.infinispan.server.memcached.MemcachedValue$Externalizer@720bffd, 1104=org.infinispan.server.hotrod.ServerAddress$Externalizer@771c7eb2}, marshaller=org.infinispan.marshall.VersionAwareMarshaller@6fc21535, version=52, classResolver=org.jboss.marshalling.ModularClassResolver@2efe83e5}, shutdown=ShutdownConfiguration{hookBehavior=DONT_REGISTER}, modules={}, site=SiteConfiguration{localSite='null'}}
23.3.16. The locate Command
The
locate command displays the physical location of a specified entry in a distributed cluster. An example of its usage is as follows:
[jmx://localhost:12000/MyCacheManager/namedCache]> locate a [host/node1,host/node2]
23.3.17. The put Command
The
put command inserts an entry into the cache. If a mapping exists for a key, the put command overwrites the old value. The CLI allows control over the type of data used to store the key and value. An example of its usage is as follows:
[jmx://localhost:12000/MyCacheManager/namedCache]> put a a
[jmx://localhost:12000/MyCacheManager/namedCache]> put b 100
[jmx://localhost:12000/MyCacheManager/namedCache]> put c 4139l
[jmx://localhost:12000/MyCacheManager/namedCache]> put d true
[jmx://localhost:12000/MyCacheManager/namedCache]> put e { "package.MyClass": {"i": 5, "x": null, "b": true } }
Optionally, the
put can specify a life span and maximum idle time value as follows:
[jmx://localhost:12000/MyCacheManager/namedCache]> put a a expires 10s [jmx://localhost:12000/MyCacheManager/namedCache]> put a a expires 10m maxidle 1m
23.3.18. The replace Command
The
replace command replaces an existing entry in the cache with a specified new value. An example of its usage is as follows:
[jmx://localhost:12000/MyCacheManager/namedCache]> put a a [jmx://localhost:12000/MyCacheManager/namedCache]> replace a b [jmx://localhost:12000/MyCacheManager/namedCache]> get a b [jmx://localhost:12000/MyCacheManager/namedCache]> replace a b c [jmx://localhost:12000/MyCacheManager/namedCache]> get a c [jmx://localhost:12000/MyCacheManager/namedCache]> replace a b d [jmx://localhost:12000/MyCacheManager/namedCache]> get a c
23.3.19. The roles command
When authorization is enabled and the role mapper has been configured to be the
ClusterRoleMapper, the principal to role mappings are stored within the cluster registry (a replicated cache available to all nodes). The roles command can be used to list the roles associated to a specific user, or to all users if one is not given:
[remoting://localhost:9999]> roles user1 [supervisor, reader]
Note
The
roles command is only available to the JBoss Data Grid Server Mode CLI.
23.3.20. The rollback Command
The
rollback command rolls back any changes made by an ongoing transaction. An example of its usage is as follows:
[jmx://localhost:12000/MyCacheManager/namedCache]> begin [jmx://localhost:12000/MyCacheManager/namedCache]> put a a [jmx://localhost:12000/MyCacheManager/namedCache]> put b b [jmx://localhost:12000/MyCacheManager/namedCache]> rollback
23.3.21. The site Command
The
site command performs administration tasks related to cross-datacenter replication. This command also retrieves information about the status of a site and toggles the status of a site. An example of its usage is as follows:
[jmx://localhost:12000/MyCacheManager/namedCache]> site --status NYC online [jmx://localhost:12000/MyCacheManager/namedCache]> site --offline NYC ok [jmx://localhost:12000/MyCacheManager/namedCache]> site --status NYC offline [jmx://localhost:12000/MyCacheManager/namedCache]> site --online NYC
23.3.22. The start Command
The
start command initiates a batch of operations. An example of its usage is as follows:
[jmx://localhost:12000/MyCacheManager/namedCache]> start [jmx://localhost:12000/MyCacheManager/namedCache]> put a a [jmx://localhost:12000/MyCacheManager/namedCache]> put b b [jmx://localhost:12000/MyCacheManager/namedCache]> end
23.3.23. The stats Command
The
stats command displays statistics for the cache. An example of its usage is as follows:
[jmx://localhost:12000/MyCacheManager/namedCache]> stats
Statistics: {
averageWriteTime: 143
evictions: 10
misses: 5
hitRatio: 1.0
readWriteRatio: 10.0
removeMisses: 0
timeSinceReset: 2123
statisticsEnabled: true
stores: 100
elapsedTime: 93
averageReadTime: 14
removeHits: 0
numberOfEntries: 100
hits: 1000
}
LockManager: {
concurrencyLevel: 1000
numberOfLocksAvailable: 0
numberOfLocksHeld: 0
}23.3.24. The upgrade Command
The
upgrade command implements the rolling upgrade procedure. For details about rolling upgrades, see the Rolling Upgrades chapter in the Red Hat JBoss Data Grid Developer Guide.
An example of the
upgrade command's use is as follows:
[jmx://localhost:12000/MyCacheManager/namedCache]> upgrade --synchronize=hotrod --all [jmx://localhost:12000/MyCacheManager/namedCache]> upgrade --disconnectsource=hotrod --all
23.3.25. The version Command
The
version command displays version information for the CLI client and server. An example of its usage is as follows:
[jmx://localhost:12000/MyCacheManager/namedCache]> version Client Version 5.2.1.Final Server Version 5.2.1.Final
