Messages about "Store limit" with JDBCPersistenceAdapter

[a_schulle <al...@solutionary.de>]

We are using Version 5.6.0 in an "JDBC Master Slave" configuration. When the
broker comes up it shows the following log messages:

(org.apache.activemq.store.kahadb.plist.PListStore:331) #
PListStore:[E:\somepath\activemq-data\jdbcBroker\tmp_storage ] started
(org.apache.activemq.broker.BrokerService:521) # Using Persistence Adapter:
JDBCPersistenceAdapter(org.jboss.jca.adapters.jdbc.WrapperDataSource@ca6a9e)
(org.apache.activemq.store.jdbc.JDBCPersistenceAdapter:464) # Database
adapter driver override recognized for : [oracle_jdbc_driver] - adapter:
class org.apache.activemq.store.jdbc.adapter.OracleJDBCAdapter
(org.apache.activemq.store.jdbc.JDBCPersistenceAdapter:466) # Database lock
driver override not found for : [oracle_jdbc_driver].  Will use default
implementation.
(org.apache.activemq.store.jdbc.DefaultDatabaseLocker:67) # Attempting to
acquire the exclusive lock to become the Master broker
(org.apache.activemq.store.jdbc.DefaultDatabaseLocker:134) # Becoming the
master on dataSource: org.jboss.jca.adapters.jdbc.WrapperDataSource@ca6a9e
(org.apache.activemq.broker.BrokerService:799) # ActiveMQ 5.6.0 JMS Message
Broker (jdbcBroker) is starting
(org.apache.activemq.broker.BrokerService:801) # For help or more
information please see: http://activemq.apache.org/
(org.apache.activemq.transport.TransportServerThreadSupport:72) # Listening
for connections at: tcp://foo:61616
(org.apache.activemq.broker.TransportConnector:265) # Connector default
Started
(org.apache.activemq.broker.BrokerService:564) # ActiveMQ JMS Message Broker
(jdbcBroker, ID:foo-3894-1344347728219-0:1) started
(org.apache.activemq.broker.BrokerService:1747) # Store limit is 100000 mb,
whilst the data directory: E:\somepath\jboss\bin only has 5139 mb of usable
space
(org.apache.activemq.broker.BrokerService:1786) # Temporary Store limit is
50000 mb, whilst the temporary data directory:
E:\somepath\jboss\bin\activemq-data\jdbcBroker\tmp_storage only has 5139 mb
of usable space
(org.apache.activemq.web.WebConsoleStarter:47) # ActiveMQ WebConsole
initialized.

I'm wondering about the messages "Store limit is 100000 mb,..." and
"Temporary Store limit is 50000 mb,...".

When I add the following configuration the two messages disappear:

<systemUsage>
	<systemUsage>
		<tempUsage>
			<tempUsage limit="32mb"/>
		</tempUsage>
	</systemUsage>
</systemUsage>

This is my configuration:

<beans 
  xmlns="http://www.springframework.org/schema/beans"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
  http://activemq.apache.org/schema/core
http://activemq.apache.org/schema/core/activemq-core.xsd   
  ">
	<bean id="propertyPlaceholderConfigurer"
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
		<property name="ignoreUnresolvablePlaceholders" value="true"/>
		<property name="ignoreResourceNotFound" value="true"/> 
		<property name="locations">
			<list>
				<value>file:${CONF}/systemenv.conf</value>
				<value>file:${CONF}/systemenv.mod.conf</value>
			</list>
		</property>
		<property name="placeholderPrefix" value="${" />
		<property name="placeholderSuffix" value="}" /> 
	</bean>
	<broker useJmx="true" brokerName="jdbcBroker" persistent="true"
xmlns="http://activemq.apache.org/schema/core">
		<destinationPolicy>
			<policyMap>
				<policyEntries>
					<policyEntry queue="*.priority" prioritizedMessages="true"/>
				</policyEntries>
			</policyMap>
		</destinationPolicy>
		<managementContext>
			<managementContext createConnector="false"/>
		</managementContext>
		<persistenceAdapter>
			<jdbcPersistenceAdapter dataSource="#oracle-ds"
createTablesOnStartup="false" useDatabaseLock="true">
			</jdbcPersistenceAdapter>
		</persistenceAdapter>
		<plugins>
			<simpleAuthenticationPlugin anonymousAccessAllowed="false">
				<users>
					<authenticationUser username="myuser" password="mypassword"
groups="users,admins" />
				</users>
			</simpleAuthenticationPlugin>
			<authorizationPlugin>
				<map>
					<authorizationMap>
						<authorizationEntries>
							<authorizationEntry queue=">" read="users" write="users"
admin="admins" />
							<authorizationEntry topic=">" read="users" write="users"
admin="admins" />
							<authorizationEntry topic="ActiveMQ.Advisory.>" read="users"
write="users" admin="users" />
						</authorizationEntries>
						<tempDestinationAuthorizationEntry>
							<tempDestinationAuthorizationEntry read="users" write="users"
admin="admins" />
						</tempDestinationAuthorizationEntry>
					</authorizationMap>
				</map>
			</authorizationPlugin>
		</plugins>
		<transportConnectors>
			<transportConnector name="default" uri="${ACTIVEMQ_TRANSPORT}" />
		</transportConnectors>
		<systemUsage>
			<systemUsage>
				<tempUsage>
					<tempUsage limit="32mb"/>
				</tempUsage>
			</systemUsage>
		</systemUsage>
	</broker>
	<bean id="oracle-ds"
class="org.springframework.jndi.JndiObjectFactoryBean">
		<property name="jndiName" value="java:jboss/datasources/DSNAME"/>
	</bean>
</beans>

Why does the broker with JDBCPersistenceAdapter needs a local store? Is
something wrong with my configuration?

I would appreciate any help. Thanks!
Alex



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