HSEARCH-2141 Update the testing stack used by JGroups to use more rec…

…ent and reliable settings

backends/jgroups/src/test/resources/testing-flush-loopback.xml

@@ -7,24 +7,60 @@
   -->
 <config xmlns="urn:org:jgroups"
 		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		xsi:schemaLocation="urn:org:jgroups http://www.jgroups.org/schema/JGroups-3.5.xsd">
+		xsi:schemaLocation="urn:org:jgroups http://www.jgroups.org/schema/JGroups-3.6.xsd">
 
 	<SHARED_LOOPBACK
 		bind_addr="127.0.0.1"
 		diagnostics_addr="127.0.0.1"
 		enable_diagnostics="false" />
-	<SHARED_LOOPBACK_PING />
-
-	<MERGE2 max_interval="30000" min_interval="1000" />
-	<FD_SOCK bind_addr="127.0.0.1" />
-	<FD_ALL />
-	<VERIFY_SUSPECT timeout="500" bind_addr="127.0.0.1" />
-	<pbcast.NAKACK exponential_backoff="150" use_mcast_xmit="true"
-		retransmit_timeout="100,300,600" discard_delivered_msgs="false" />
-	<UNICAST timeout="300,600,1200" />
-	<pbcast.STABLE stability_delay="1000" desired_avg_gossip="50000"
+
+	<SHARED_LOOPBACK_PING
+		/>
+
+	<MERGE3
+		max_interval="30000"
+		min_interval="1000" />
+
+	<FD_SOCK
+		bind_addr="127.0.0.1" />
+
+	<FD_ALL
+		/>
+
+	<VERIFY_SUSPECT
+		timeout="500"
+		bind_addr="127.0.0.1" />
+
+	<pbcast.NAKACK2
+			use_mcast_xmit="false"
+			xmit_interval="1000"
+			xmit_table_num_rows="50"
+			xmit_table_msgs_per_row="1024"
+			xmit_table_max_compaction_time="30000"
+			max_msg_batch_size="100" />
+
+	<UNICAST3
+			xmit_interval="500"
+			xmit_table_num_rows="50"
+			xmit_table_msgs_per_row="1024"
+			xmit_table_max_compaction_time="30000"
+			max_msg_batch_size="100"
+			conn_expiry_timeout="0" />
+
+	<pbcast.STABLE
+		stability_delay="1000"
+		desired_avg_gossip="50000"
 		max_bytes="400000" />
-	<pbcast.GMS print_local_addr="true" join_timeout="500"
-		view_bundling="true" />
-	<RSVP resend_interval="20" timeout="10000"/>
+
+	<pbcast.GMS
+		print_local_addr="false"
+		join_timeout="500"
+		view_bundling="false" />
+
+	<RSVP
+		resend_interval="20"
+		timeout="10000"
+		ack_on_delivery="false"
+		/>
+
 </config>