10:32 a.m.
I am setting LRU Eviction policy with miltiple regions but it seems like maxNodes settings
are not respected. I read the following xml and use setEvictionPolicyConfig(Element
a_config) so set policy. Region /reportDefinition/extraInfo is setup to live 30sec and
have max node of 2 but when I dump my cache I see 5 nodes. Cache dump output is at the end
of this post.
Here is the XML for eviction :
| <config>
| <attribute
name="wakeUpIntervalSeconds">5</attribute>
| <!-- Cache wide default -->
| <region name="/_default_">
| <attribute name="maxNodes">1000</attribute>
| <attribute
name="timeToLiveSeconds">1000</attribute>
| </region>
| <region name="/org/jboss/data">
| <attribute name="maxNodes">5000</attribute>
| <attribute
name="timeToLiveSeconds">1000</attribute>
| </region>
| <region name="/org/jboss/test/data">
| <attribute name="maxNodes">5</attribute>
| <attribute
name="timeToLiveSeconds">4</attribute>
| </region>
| <!-- ReportDefinition approximate object size:
| 1000Kb > very small > 0
| 3000Kb > small > 100Kb
| 5000Kb > medium > 3000Kb
| 10000Kb > large > 5000Kb
| very large > 10000Kb
| -->
| <region name="/reportDefinition/verysmall">
| <attribute name="maxNodes">25</attribute>
| <attribute
name="timeToLiveSeconds">3600</attribute>
| </region>
| <region name="/reportDefinition/small">
| <attribute name="maxNodes">15</attribute>
| <attribute
name="timeToLiveSeconds">1800</attribute>
| </region>
| <region name="/reportDefinition/medium">
| <attribute name="maxNodes">15</attribute>
| <attribute
name="timeToLiveSeconds">1800</attribute>
| </region>
| <region name="/reportDefinition/large">
| <attribute name="maxNodes">8</attribute>
| <attribute
name="timeToLiveSeconds">1800</attribute>
| </region>
| <region name="/reportDefinition/verylarge">
| <attribute name="maxNodes">5</attribute>
| <attribute
name="timeToLiveSeconds">1800</attribute>
| </region>
| <region name="/reportDefinition/extraInfo">
| <attribute name="maxNodes">2</attribute>
| <attribute
name="timeToLiveSeconds">30</attribute>
| </region>
| <!-- The following regions are cached for 8 hrs -->
| <region name="/gpPackage">
| <attribute name="maxNodes">100</attribute>
| <attribute
name="timeToLiveSeconds">28800</attribute>
| </region>
| <region name="/translation">
| <attribute name="maxNodes">25</attribute>
| <attribute
name="timeToLiveSeconds">28800</attribute>
| </region>
| <region name="/reportConfigPool">
| <attribute name="maxNodes">1</attribute>
| <attribute
name="timeToLiveSeconds">28800</attribute>
| </region>
| </config>
|
|
|
Here is the TreeCache.xml:
!-- ===================================================================== -->
| <!-- -->
| <!-- Customized TreeCache Service Configuration for Tomcat 5 Clustering -->
| <!-- -->
| <!-- ===================================================================== -->
|
| <server>
|
| <classpath codebase="./lib" archives="jboss-cache.jar,
jgroups.jar"/>
|
| <mbean
| code="org.jboss.invocation.jrmp.server.JRMPProxyFactory"
| name="mydomain:service=proxyFactory,type=jrmp,target=factory">
| <attribute
|
name="InvokerName">jboss:service=invoker,type=jrmp</attribute>
| <attribute
|
name="TargetName">jboss.cache:service=TreeCache</attribute>
| <attribute name="JndiName">brsTreeCache</attribute>
<attribute
| name="InvokeTargetMethod">true</attribute> <attribute
|
name="ExportedInterface">org.jboss.cache.TreeCacheMBean</attribute>
| <attribute name="ClientInterceptors"> <iterceptors>
|
<interceptor>org.jboss.proxy.ClientMethodInterceptor</interceptor>
| <interceptor>org.jboss.proxy.SecurityInterceptor</interceptor>
|
<interceptor>org.jboss.invocation.InvokerInterceptor</interceptor>
| </iterceptors> </attribute>
| <depends>jboss:service=invoker,type=jrmp</depends>
| <depends>jboss.cache:service=TreeCache</depends>
| </mbean>
|
| <!-- ====================================================================
-->
| <!-- Defines TreeCache configuration
-->
| <!-- ====================================================================
-->
|
| <mbean code="org.jboss.cache.TreeCache"
| name="jboss.cache:service=TreeCache">
|
| <depends>jboss:service=Naming</depends>
| <depends>jboss:service=TransactionManager</depends>
|
| <!-- Enables marshalling which will be used during cluster replication -->
| <attribute name="UseMarshalling">true</attribute>
|
| <!-- Configure the TransactionManager -->
| <attribute
name="TransactionManagerLookupClass">org.jboss.cache.JBossTransactionManagerLookup</attribute>
|
|
| <!--
| Node locking level : SERIALIZABLE
| REPEATABLE_READ (default)
| READ_COMMITTED
| READ_UNCOMMITTED
| NONE
| -->
| <attribute name="IsolationLevel">REPEATABLE_READ</attribute>
|
| <!--
| Valid modes are LOCAL
| REPL_ASYNC
| REPL_SYNC
| -->
| <attribute name="CacheMode">REPL_ASYNC</attribute>
|
| <!-- Name of cluster. Needs to be the same for all clusters, in order
| to find each other
| -->
| <attribute
name="ClusterName">${jboss.partition.name}-main-treecache</attribute>
|
|
| <!-- JGroups protocol stack properties. Can also be a URL,
| e.g. file:/home/bela/default.xml
| <attribute name="ClusterProperties"></attribute>
| -->
|
|
| <attribute name="ClusterConfig">
| <config>
| <!-- UDP: if you have a multihomed machine,
| set the bind_addr attribute to the appropriate NIC IP address -->
| <!-- UDP: On Windows machines, because of the media sense feature
| being broken with multicast (even after disabling media sense)
| set the loopback attribute to true -->
| <UDP mcast_addr="228.1.2.3"
mcast_port="48866"
| ip_ttl="64" ip_mcast="true"
| mcast_send_buf_size="150000"
mcast_recv_buf_size="80000"
| ucast_send_buf_size="150000"
ucast_recv_buf_size="80000"
| loopback="false"/>
| <PING timeout="2000" num_initial_members="3"
| up_thread="false" down_thread="false"/>
| <MERGE2 min_interval="10000"
max_interval="20000"/>
| <FD shun="true" up_thread="true"
down_thread="true"/>
| <VERIFY_SUSPECT timeout="1500"
| up_thread="false" down_thread="false"/>
| <pbcast.NAKACK gc_lag="50"
retransmit_timeout="600,1200,2400,4800"
| max_xmit_size="8192" up_thread="false"
down_thread="false"/>
| <UNICAST timeout="600,1200,2400"
window_size="100" min_threshold="10"
| down_thread="false"/>
| <pbcast.STABLE desired_avg_gossip="20000"
| up_thread="false" down_thread="false"/>
| <FRAG frag_size="8192"
| down_thread="false" up_thread="false"/>
| <pbcast.GMS join_timeout="5000"
join_retry_timeout="2000"
| shun="true" print_local_addr="true"/>
| <pbcast.STATE_TRANSFER up_thread="false"
down_thread="false"/>
| </config>
| </attribute>
|
|
| <!--
| The max amount of time (in milliseconds) we wait until the
| initial state (ie. the contents of the cache) are retrieved from
| existing members in a clustered environment
| -->
| <attribute
name="InitialStateRetrievalTimeout">5000</attribute>
|
| <!--
| Number of milliseconds to wait until all responses for a
| synchronous call have been received.
| -->
| <attribute name="SyncReplTimeout">10000</attribute>
|
| <!-- Max number of milliseconds to wait for a lock acquisition -->
| <attribute
name="LockAcquisitionTimeout">15000</attribute>
|
|
| <!-- Name of the eviction policy class. -->
| <attribute
name="EvictionPolicyClass">org.jboss.cache.eviction.LRUPolicy</attribute>
| <!-- Specific eviction policy configurations. This is LRU -->
| <attribute name="EvictionPolicyConfig">
| <config>
| <attribute
name="wakeUpIntervalSeconds">5</attribute>
| <!-- Cache wide default -->
| <region name="/_default_">
| <attribute name="maxNodes">1000</attribute>
| <attribute
name="timeToLiveSeconds">1000</attribute>
| </region>
| <region name="/org/jboss/data">
| <attribute name="maxNodes">5000</attribute>
| <attribute
name="timeToLiveSeconds">1000</attribute>
| </region>
| <region name="/org/jboss/test/data">
| <attribute name="maxNodes">5</attribute>
| <attribute
name="timeToLiveSeconds">4</attribute>
| </region>
|
| </config>
| </attribute>
|
| </mbean>
|
| </server>
|
Cache Dump:
Node: /
[31-08-2006 11:13:03.843] [292677] [STDOUT] [INFO ] [TP-Processor2] <Empty Node>
[31-08-2006 11:13:03.843] [292677] [STDOUT] [INFO ] [TP-Processor2] Node:
/translation
[31-08-2006 11:13:03.843] [292677] [STDOUT] [INFO ] [TP-Processor2]
enGeneric=com.bfm.app.viewserver.report.translation.VSTranslation@840613
[31-08-2006 11:13:03.843] [292677] [STDOUT] [INFO ] [TP-Processor2] Node:
/reportDefinition
[31-08-2006 11:13:03.843] [292677] [STDOUT] [INFO ] [TP-Processor2] <Empty
Node>
[31-08-2006 11:13:03.853] [292687] [STDOUT] [INFO ] [TP-Processor2] Node:
/reportDefinition/medium
[31-08-2006 11:13:03.853] [292687] [STDOUT] [INFO ] [TP-Processor2]
check_oad.amg_COREP/TR-MULTI///=com.bfm.app.viewserver.treedefinition.ReportDefinition@1ab0214
[31-08-2006 11:13:03.853] [292687] [STDOUT] [INFO ] [TP-Processor2]
null/null///=com.bfm.app.viewserver.treedefinition.ReportDefinition@157e43
[31-08-2006 11:13:03.853] [292687] [STDOUT] [INFO ] [TP-Processor2] Node:
/reportDefinition/extraInfo
[31-08-2006 11:13:03.853] [292687] [STDOUT] [INFO ] [TP-Processor2]
libor_sum6/TR-MULTI///=com.bfm.app.viewserver.treedefinition.RptDefCacheInfo@11484a7
[31-08-2006 11:13:03.853] [292687] [STDOUT] [INFO ] [TP-Processor2]
j_active/TR-MULTI///=com.bfm.app.viewserver.treedefinition.RptDefCacheInfo@110710
[31-08-2006 11:13:03.853] [292687] [STDOUT] [INFO ] [TP-Processor2]
check_oad/TR-MULTI///=com.bfm.app.viewserver.treedefinition.RptDefCacheInfo@1e6badb
[31-08-2006 11:13:03.853] [292687] [STDOUT] [INFO ] [TP-Processor2]
krd_pv_active/TR-MULTI///=com.bfm.app.viewserver.treedefinition.RptDefCacheInfo@f5b942
[31-08-2006 11:13:03.853] [292687] [STDOUT] [INFO ] [TP-Processor2]
nlaf_ancillary_fi/TR-MULTI///=com.bfm.app.viewserver.treedefinition.RptDefCacheInfo@55a6ce
[31-08-2006 11:13:03.853] [292687] [STDOUT] [INFO ] [TP-Processor2] Node:
/reportDefinition/small
[31-08-2006 11:13:03.853] [292687] [STDOUT] [INFO ] [TP-Processor2]
libor_sum6/TR-MULTI///=com.bfm.app.viewserver.treedefinition.ReportDefinition@13a26c2
[31-08-2006 11:13:03.853] [292687] [STDOUT] [INFO ] [TP-Processor2]
j_active/TR-MULTI///=com.bfm.app.viewserver.treedefinition.ReportDefinition@c6bf80
[31-08-2006 11:13:03.853] [292687] [STDOUT] [INFO ] [TP-Processor2]
krd_pv_active/TR-MULTI///=com.bfm.app.viewserver.treedefinition.ReportDefinition@467a3b
[31-08-2006 11:13:03.853] [292687] [STDOUT] [INFO ] [TP-Processor2] Node:
/authentication_authorization
[31-08-2006 11:13:03.883] [292717] [STDOUT] [INFO ] [TP-Processor2]
com.bfm.app.viewserver.util.collection.ThreeStringKey@f094f2[field1=mcevikce,field2=,field3=fi-tr-multi]=com.bfm.app.viewserver.util.ldap.LDAPCachedCredential(a)102f00c
[31-08-2006 11:13:03.893] [292727] [STDOUT] [INFO ] [TP-Processor2]
com.bfm.app.viewserver.util.collection.ThreeStringKey@fa0801[field1=mcevikce,field2=,field3=]=com.bfm.app.viewserver.util.ldap.LDAPCachedCredential(a)1ddcf6e
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