<?xml version="1.0" encoding="UTF-8"?>

<!-- ===================================================================== -->
<!--                                                                       -->
<!--  Customized TreeCache Service Configuration for Tomcat 5 Clustering   -->
<!--                                                                       -->
<!-- ===================================================================== -->

<server>

    <classpath codebase="./lib" archives="jboss-cache.jar, jgroups.jar"/>

    <!-- ==================================================================== -->
    <!-- Defines TreeCache configuration                                      -->
    <!-- ==================================================================== -->

    <mbean code="org.jboss.cache.TreeCache"
        name="jboss.cache:service=TomcatClusteringCache">

        <depends>jboss:service=Naming</depends>
        <depends>jboss:service=TransactionManager</depends>

        <!-- Configure the TransactionManager -->
        <attribute name="TransactionManagerLookupClass">org.jboss.cache.JBossTransactionManagerLookup</attribute>

        <!--
            Isolation level : SERIALIZABLE
                              REPEATABLE_READ (default)
                              READ_COMMITTED
                              READ_UNCOMMITTED
                              NONE
        -->
        <attribute name="IsolationLevel">REPEATABLE_READ</attribute>

        <!--
             Valid modes are LOCAL, REPL_ASYNC and 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">Tomcat-Cluster</attribute>

        <!-- JGroups protocol stack properties. Can also be a URL,
             e.g. file:/home/bela/default.xml
           <attribute name="ClusterProperties"></attribute>
        -->

        <attribute name="ClusterConfig">
            <!--
            The default UDP stack:
            - If you have a multihomed machine, set the UDP protocol's bind_addr attribute to the
            appropriate NIC IP address, e.g bind_addr="192.168.0.2".
            - On Windows machines, because of the media sense feature being broken with multicast
            (even after disabling media sense) set the UDP protocol's loopback attribute to true
            -->
            <config>
                <UDP mcast_addr="230.1.2.7" mcast_port="45577"
                    ip_ttl="8" 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_SOCK/>
                <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="true" down_thread="true"/>
            </config>

           <!-- Alternate TCP stack: customize it for your environment, change bind_addr and initial_hosts -->
           <!--
           <config>
              <TCP bind_addr="thishost" start_port="7810" loopback="true"/>
              <TCPPING initial_hosts="thishost[7810],otherhost[7810]" port_range="3" timeout="3500"
                 num_initial_members="3" up_thread="true" down_thread="true"/>
              <MERGE2 min_interval="5000" max_interval="10000"/>
              <FD shun="true" timeout="2500" max_tries="5" up_thread="true" down_thread="true" />
              <VERIFY_SUSPECT timeout="1500" down_thread="false" up_thread="false" />
              <pbcast.NAKACK down_thread="true" up_thread="true" gc_lag="100"
                 retransmit_timeout="3000"/>
              <pbcast.STABLE desired_avg_gossip="20000" down_thread="false" up_thread="false" />
              <pbcast.GMS join_timeout="5000" join_retry_timeout="2000" shun="false"
                 print_local_addr="true" down_thread="true" up_thread="true"/>
              <pbcast.STATE_TRANSFER up_thread="true" down_thread="true"/>
           </config>
           -->

        </attribute>

        <!-- Max number of milliseconds to wait for a lock acquisition -->
        <attribute name="LockAcquisitionTimeout">15000</attribute>

    </mbean>

</server>
