Edit D:\app\Administrator\product\11.2.0\dbhome_1\LIB\java\shared\org.jgroups\LATEST\stacks.xml

<protocol_stacks>
    <stack name="udp"
           description="Default: IP multicast based stack, with flow control and message bundling">
        <config>
            <UDP
                 mcast_addr="${jgroups.udp.mcast_addr:228.10.10.10}"
                 mcast_port="${jgroups.udp.mcast_port:45588}"
                 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"
                 use_incoming_packet_handler="true"
                 ip_ttl="${jgroups.udp.ip_ttl:2}"
                 enable_bundling="true"
                 
                 use_concurrent_stack="true"

thread_pool.enabled="true"
		         thread_pool.min_threads="1"
		         thread_pool.max_threads="25"
		         thread_pool.keep_alive_time="5000"
		         thread_pool.queue_enabled="false"
		         thread_pool.queue_max_size="100"
		         thread_pool.rejection_policy="Run"
		
		         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="3"/>
            <MERGE2 max_interval="100000"
                      min_interval="20000"/>
            <FD_SOCK/>
            <FD timeout="10000" max_tries="5" shun="true"/>
            <VERIFY_SUSPECT timeout="1500"  />
            <pbcast.NAKACK
                           use_mcast_xmit="false" gc_lag="0"
                           retransmit_timeout="300,600,1200,2400,4800"
                           discard_delivered_msgs="false"/>
            <UNICAST timeout="300,600,1200,2400,3600"/>
            <pbcast.STABLE stability_delay="1000" desired_avg_gossip="50000"
                           max_bytes="400000"/>
            <pbcast.GMS print_local_addr="true" join_timeout="5000"  
                        shun="false"
                        view_bundling="true"/>
            <FC max_credits="2000000"
                min_threshold="0.10"/>
            <FRAG2 frag_size="60000"  />
			<pbcast.STREAMING_STATE_TRANSFER/>
	        
	        <pbcast.FLUSH timeout="0"/>        
	    </config>
    </stack>

<stack name="udp-sync"
           description="IP multicast based stack, without flow control and without message bundling. This should be used
           instead of udp if (1) synchronous calls are used and (2) the message volume (rate and size)
            is not that large. Don't use this configuration if you send messages at a high sustained rate, or you might
            run out of memory">
        <config>
            <UDP
                 mcast_addr="${jgroups.udp.mcast_addr:229.10.10.10}"
                 mcast_port="${jgroups.udp.mcast_port:45599}"
                 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"
                 use_incoming_packet_handler="true"
                 ip_ttl="${jgroups.udp.ip_ttl:2}"
                 enable_bundling="true"
                 
                 use_concurrent_stack="true"

thread_pool.enabled="true"
		         thread_pool.min_threads="1"
		         thread_pool.max_threads="25"
		         thread_pool.keep_alive_time="5000"
		         thread_pool.queue_enabled="false"
		         thread_pool.queue_max_size="100"
		         thread_pool.rejection_policy="Run"
		
		         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="3"/>
            <MERGE2 max_interval="100000"
                      min_interval="20000"/>
            <FD_SOCK/>
            <FD timeout="10000" max_tries="5" shun="true"/>
            <VERIFY_SUSPECT timeout="1500"  />
            <pbcast.NAKACK
                           use_mcast_xmit="false" gc_lag="0"
                           retransmit_timeout="300,600,1200,2400,4800"
                           discard_delivered_msgs="false"/>
            <UNICAST timeout="300,600,1200,2400,3600"/>
            <pbcast.STABLE stability_delay="1000" desired_avg_gossip="50000"
                           max_bytes="400000"/>
            <pbcast.GMS print_local_addr="true" join_timeout="5000"  
                        shun="false"
                        view_bundling="true"/>
            <FRAG2 frag_size="60000"  />
            <pbcast.STREAMING_STATE_TRANSFER/>
	        
	        <pbcast.FLUSH timeout="0"/>
        </config>
    </stack>

</protocol_stacks>

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