
<!--
  Default stack using IP multicasting. It is similar to the "udp"
  stack in stacks.xml, but doesn't use streaming state transfer and flushing
  author: Bela Ban (JGroups)
  author: Derek Hulley (Alfresco)
-->

<config> 
    <UDP
         mcast_addr="${alfresco.udp.mcast_addr:230.0.0.1}"
         mcast_port="${alfresco.udp.mcast_port:4446}"
         tos="8"
         ucast_recv_buf_size="20000000"
         ucast_send_buf_size="640000"
         mcast_recv_buf_size="25000000"
         mcast_send_buf_size="640000"
         loopback="false"
         discard_incompatible_packets="true"
         max_bundle_size="64000"
         max_bundle_timeout="30"
         ip_ttl="${alfresco.udp.ip_ttl:2}"
         enable_bundling="true"
         enable_diagnostics="true"
         thread_naming_pattern="cl"

         thread_pool.enabled="true"
         thread_pool.min_threads="2"
         thread_pool.max_threads="8"
         thread_pool.keep_alive_time="5000"
         thread_pool.queue_enabled="true"
         thread_pool.queue_max_size="10000"
         thread_pool.rejection_policy="discard"

         oob_thread_pool.enabled="true"
         oob_thread_pool.min_threads="1"
         oob_thread_pool.max_threads="8"
         oob_thread_pool.keep_alive_time="5000"
         oob_thread_pool.queue_enabled="false"
         oob_thread_pool.queue_max_size="100"
         oob_thread_pool.rejection_policy="Run"/>

    <PING timeout="2000"
            num_initial_members="2"/>
    <MERGE2 max_interval="30000"
            min_interval="10000"/>
    <FD_SIMPLE timeout="10000" max_missed_hbs="10" />
    <VERIFY_SUSPECT timeout="1500"  />
    <BARRIER />
    <pbcast.NAKACK use_stats_for_retransmission="false"
                   exponential_backoff="150"
                   use_mcast_xmit="true" gc_lag="0"
                   retransmit_timeout="50,300,600,1200"
                   discard_delivered_msgs="true"/>
    <UNICAST timeout="300,600,1200"/>
    <pbcast.STABLE stability_delay="1000" desired_avg_gossip="50000"
                   max_bytes="1000000"/>
    <VIEW_SYNC avg_send_interval="60000"   />
    <pbcast.GMS print_local_addr="true" join_timeout="3000"
                view_bundling="true"/>
    <FC max_credits="500000"
                    min_threshold="0.20"/>
    <FRAG2 frag_size="60000"  />
    <!--pbcast.STREAMING_STATE_TRANSFER /-->
    <pbcast.STATE_TRANSFER  />
    <!-- pbcast.FLUSH  /-->
</config>
